{"id":4105,"date":"2026-07-02T14:20:26","date_gmt":"2026-07-02T06:20:26","guid":{"rendered":"https:\/\/xifagroup.com\/?p=4105"},"modified":"2026-07-20T14:44:51","modified_gmt":"2026-07-20T06:44:51","slug":"fibc-bags-sewing-manufacturing-quality","status":"publish","type":"post","link":"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/","title":{"rendered":"Processus de couture des sacs FIBC expliqu\u00e9\u00a0: sp\u00e9cifications du fil, densit\u00e9 des points et contr\u00f4le qualit\u00e9"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Basculer la table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Why_Do_Most_FIBC_Failures_Start_At_The_Seams\" title=\"Pourquoi la plupart des d\u00e9faillances des GRVS commencent-elles au niveau des coutures\u00a0?\">Pourquoi la plupart des d\u00e9faillances des GRVS commencent-elles au niveau des coutures\u00a0?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#The_Seam_Stress_Problem\" title=\"Le probl\u00e8me de la tension des coutures\">Le probl\u00e8me de la tension des coutures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#The_Manufacturing_Fix\" title=\"La r\u00e9paration de la fabrication\">La r\u00e9paration de la fabrication<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#What_Thread_Specifications_Keep_Seams_Strong\" title=\"Quelles sont les sp\u00e9cifications du fil qui garantissent la solidit\u00e9 des coutures\u00a0?\">Quelles sont les sp\u00e9cifications du fil qui garantissent la solidit\u00e9 des coutures\u00a0?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Thread_Weight_And_Type\" title=\"Poids et type du fil\">Poids et type du fil<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Thread_Tensile_Strength\" title=\"R\u00e9sistance \u00e0 la traction du fil\">R\u00e9sistance \u00e0 la traction du fil<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#How_Does_Stitch_Density_Affect_Seam_Quality\" title=\"Comment la densit\u00e9 des points affecte-t-elle la qualit\u00e9 des coutures\u00a0?\">Comment la densit\u00e9 des points affecte-t-elle la qualit\u00e9 des coutures\u00a0?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Choosing_The_Right_Stitches_Per_Inch\" title=\"Choisir le bon nombre de points par pouce\">Choisir le bon nombre de points par pouce<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Balancing_Strength_And_Sealing\" title=\"\u00c9quilibre entre r\u00e9sistance et \u00e9tanch\u00e9it\u00e9\">\u00c9quilibre entre r\u00e9sistance et \u00e9tanch\u00e9it\u00e9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Which_Sewing_Stages_Build_A_Complete_FIBC_Bag\" title=\"Quelles sont les \u00e9tapes de couture n\u00e9cessaires \u00e0 la fabrication d&#039;un sac FIBC complet\u00a0?\">Quelles sont les \u00e9tapes de couture n\u00e9cessaires \u00e0 la fabrication d&#039;un sac FIBC complet\u00a0?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Single_And_Double_Needle_Overlocking\" title=\"Surjet \u00e0 une et deux aiguilles\">Surjet \u00e0 une et deux aiguilles<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Filler_Cord_Leak-Proof_Stitching\" title=\"Cordon de remplissage Coutures \u00e9tanches\">Cordon de remplissage Coutures \u00e9tanches<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Loop_And_Base_Assembly\" title=\"Assemblage de boucle et de base\">Assemblage de boucle et de base<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#How_Do_Manufacturers_Identify_Sewing_Defects\" title=\"Comment les fabricants identifient-ils les d\u00e9fauts de couture\u00a0?\">Comment les fabricants identifient-ils les d\u00e9fauts de couture\u00a0?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Common_Seam_Defects\" title=\"D\u00e9fauts de couture courants\">D\u00e9fauts de couture courants<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Inspection_And_Testing\" title=\"Inspection et essais\">Inspection et essais<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Why_Does_Full_Traceability_Matter_To_Buyers\" title=\"Pourquoi la tra\u00e7abilit\u00e9 compl\u00e8te est-elle importante pour les acheteurs\u00a0?\">Pourquoi la tra\u00e7abilit\u00e9 compl\u00e8te est-elle importante pour les acheteurs\u00a0?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#QR_Code_Tracking\" title=\"Suivi par code QR\">Suivi par code QR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Procurement_Confidence\" title=\"Confiance dans les achats\">Confiance dans les achats<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Frequently_Asked_Questions\" title=\"Questions fr\u00e9quemment pos\u00e9es\">Questions fr\u00e9quemment pos\u00e9es<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#What_Thread_Is_Used_To_Sew_FIBC_Bags\" title=\"Quel fil utilise-t-on pour coudre les sacs FIBC\u00a0?\">Quel fil utilise-t-on pour coudre les sacs FIBC\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#Why_Does_Stitch_Density_Matter_For_FIBC_Seams\" title=\"Pourquoi la densit\u00e9 des points est-elle importante pour les coutures des GRVS ?\">Pourquoi la densit\u00e9 des points est-elle importante pour les coutures des GRVS ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#What_Is_A_Filler_Cord_In_FIBC_Sewing\" title=\"Qu&#039;est-ce qu&#039;un cordon de remplissage en couture FIBC\u00a0?\">Qu&#039;est-ce qu&#039;un cordon de remplissage en couture FIBC\u00a0?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">La couture est une \u00e9tape cruciale de la fabrication des sacs FIBC\u00a0: c\u2019est au niveau de la couture que le sac retient son contenu ou c\u00e8de. La plupart des fuites de poudres fines et des d\u00e9chirures proviennent de coutures mal r\u00e9alis\u00e9es, et non du tissu lui-m\u00eame. Cet article explique comment les sp\u00e9cifications du fil, la densit\u00e9 des points et la construction des coutures contribuent \u00e0 pr\u00e9venir ces d\u00e9faillances.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vous d\u00e9couvrirez comment les diff\u00e9rentes \u00e9tapes de la couture s&#039;int\u00e8grent au processus de fabrication global. Vous verrez \u00e9galement comment le poids du fil, le nombre de points par pouce et les contr\u00f4les de qualit\u00e9 prot\u00e8gent votre produit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Do_Most_FIBC_Failures_Start_At_The_Seams\"><\/span><strong>Pourquoi la plupart des d\u00e9faillances des GRVS commencent-elles au niveau des coutures\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le tissu en polypropyl\u00e8ne tiss\u00e9 est r\u00e9sistant. Son point faible se situe g\u00e9n\u00e9ralement \u00e0 la jonction de deux panneaux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Seam_Stress_Problem\"><\/span><strong>Le probl\u00e8me de la tension des coutures<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsqu&#039;un sac est rempli, soulev\u00e9 et empil\u00e9, la charge se transf\u00e8re par les coutures. Des coutures de mauvaise qualit\u00e9 concentrent ces contraintes et cr\u00e9ent des interstices. Des poudres fines comme la farine, le ciment ou le carbonate de lithium s&#039;\u00e9chappent alors par ces interstices.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Manufacturing_Fix\"><\/span><strong>La r\u00e9paration de la fabrication<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un r\u00e9glage pr\u00e9cis de la couture permet de r\u00e9soudre ce probl\u00e8me. Le choix du fil, du nombre de points et du type de couture est crucial pour garantir l&#039;\u00e9tanch\u00e9it\u00e9 de la couture sous pression. C&#039;est pourquoi l&#039;\u00e9tape de couture d\u00e9termine les performances r\u00e9elles du processus de fabrication des GRVS.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Thread_Specifications_Keep_Seams_Strong\"><\/span><strong>Quelles sont les sp\u00e9cifications du fil qui garantissent la solidit\u00e9 des coutures\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le choix du fil d\u00e9termine la solidit\u00e9 de base des coutures. Un fil inadapt\u00e9 c\u00e8de bien avant le tissu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thread_Weight_And_Type\"><\/span><strong>Poids et type du fil<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La plupart des coutures des GRVS utilisent du fil \u00e0 coudre en polypropyl\u00e8ne ou en polyester. Le poids du fil est mesur\u00e9 en deniers ou en tex. Un fil plus \u00e9pais supporte une charge plus importante, mais n\u00e9cessite des aiguilles et une tension adapt\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thread_Tensile_Strength\"><\/span><strong>R\u00e9sistance \u00e0 la traction du fil<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La r\u00e9sistance \u00e0 la traction indique la force maximale que le fil supporte avant de se rompre. La r\u00e9sistance des coutures doit correspondre \u00e0 la charge de travail admissible du sac. Si le fil est moins r\u00e9sistant que la couture, c&#039;est cette derni\u00e8re qui c\u00e8de en premier.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Facteur de fil<\/strong><\/td><td><strong>Ce qu&#039;il contr\u00f4le<\/strong><\/td><td><strong>Effet pratique<\/strong><\/td><\/tr><tr><td>Denier\/Tex<\/td><td>\u00c9paisseur du fil<\/td><td>capacit\u00e9 de charge plus \u00e9lev\u00e9e<\/td><\/tr><tr><td>R\u00e9sistance \u00e0 la traction<\/td><td>r\u00e9sistance \u00e0 la rupture<\/td><td>La couture r\u00e9siste sous l&#039;\u00e9l\u00e9vateur<\/td><\/tr><tr><td>Mat\u00e9riau (PP\/PE)<\/td><td>R\u00e9sistance chimique et UV<\/td><td>Type de produit : costumes<\/td><\/tr><tr><td>tension du point<\/td><td>tension du fil<\/td><td>Emp\u00eache les fronces ou les espaces<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_Stitch_Density_Affect_Seam_Quality\"><\/span><strong>Comment la densit\u00e9 des points affecte-t-elle la qualit\u00e9 des coutures\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1021\" height=\"543\" src=\"https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-37.webp\" alt=\"La densit\u00e9 des points influe sur la qualit\u00e9 des coutures\" class=\"wp-image-4107\" style=\"aspect-ratio:1.8803119862893918;width:579px;height:auto\" srcset=\"https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-37.webp 1021w, https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-37-300x160.webp 300w, https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-37-768x408.webp 768w, https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-37-18x10.webp 18w\" sizes=\"(max-width: 1021px) 100vw, 1021px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La densit\u00e9 de points, exprim\u00e9e en points par pouce (SPI), d\u00e9termine directement le degr\u00e9 de serrage et d&#039;\u00e9tanch\u00e9it\u00e9 de la couture.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choosing_The_Right_Stitches_Per_Inch\"><\/span><strong>Choisir le bon nombre de points par pouce<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un nombre insuffisant de points cr\u00e9e de larges espaces entre les fils. Un nombre excessif de points perfore le tissu et l&#039;affaiblit. La plupart des coutures des GRVS pr\u00e9sentent un nombre de points par pouce (SPI) \u00e9quilibr\u00e9, assurant une \u00e9tanch\u00e9it\u00e9 sans d\u00e9chirer le tissage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Balancing_Strength_And_Sealing\"><\/span><strong>\u00c9quilibre entre r\u00e9sistance et \u00e9tanch\u00e9it\u00e9<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Une densit\u00e9 de points \u00e9lev\u00e9e permet de retenir les poudres fines. Une densit\u00e9 plus faible convient aux mat\u00e9riaux grossiers et lourds. L&#039;ad\u00e9quation du nombre de points par pouce (SPI) au produit est essentielle \u00e0 la bonne fabrication des sacs FIBC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Sewing_Stages_Build_A_Complete_FIBC_Bag\"><\/span><strong>Quelles sont les \u00e9tapes de couture n\u00e9cessaires \u00e0 la fabrication d&#039;un sac FIBC complet\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La couture n&#039;est pas une action unique. C&#039;est une s\u00e9quence d&#039;\u00e9tapes contr\u00f4l\u00e9es, r\u00e9alis\u00e9es sur une machine \u00e0 coudre fibc d\u00e9di\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Single_And_Double_Needle_Overlocking\"><\/span><strong>Surjet \u00e0 une et deux aiguilles<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1005\" height=\"523\" src=\"https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-38.webp\" alt=\"Surjet \u00e0 une et deux aiguilles\" class=\"wp-image-4108\" style=\"aspect-ratio:1.9216471261080927;width:611px;height:auto\" srcset=\"https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-38.webp 1005w, https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-38-300x156.webp 300w, https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-38-768x400.webp 768w, https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-38-18x9.webp 18w\" sizes=\"(max-width: 1005px) 100vw, 1005px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Le surjet assemble les panneaux et replie le bord pour fixer le tissage. Le surjet \u00e0 une aiguille convient aux coutures standard. Le surjet \u00e0 deux aiguilles ajoute une deuxi\u00e8me ligne de couture pour les assemblages plus r\u00e9sistants et une meilleure r\u00e9partition de la charge.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Filler_Cord_Leak-Proof_Stitching\"><\/span><strong>Cordon de remplissage Coutures \u00e9tanches<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un cordon de remplissage est ins\u00e9r\u00e9 le long de la couture lors de la r\u00e9alisation de celle-ci. Il comble l&#039;espace entre les couches de tissu, cr\u00e9ant ainsi une couture \u00e9tanche et emp\u00eachant les fines particules de poudre de s&#039;infiltrer \u00e0 travers l&#039;aiguille.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Loop_And_Base_Assembly\"><\/span><strong>Assemblage de boucle et de base<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les poign\u00e9es de levage et les coutures de base sont soumises aux plus fortes contraintes. Ces articulations b\u00e9n\u00e9ficient de coutures renforc\u00e9es et d&#039;un positionnement pr\u00e9cis. Des coutures de poign\u00e9e correctes garantissent un levage en toute s\u00e9curit\u00e9, ce qui est \u00e9troitement li\u00e9 aux choix de conception du sac, comme\u2026 <a href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/what-are-stevedore-straps-of-fibc-bags\/\" target=\"_blank\" rel=\"noreferrer noopener\">sangles de manutention pour GRVS<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Do_Manufacturers_Identify_Sewing_Defects\"><\/span><strong>Comment les fabricants identifient-ils les d\u00e9fauts de couture\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le contr\u00f4le des d\u00e9fauts permet de v\u00e9rifier que chaque couture est conforme aux sp\u00e9cifications avant l&#039;exp\u00e9dition. Cette \u00e9tape prot\u00e8ge \u00e0 la fois le produit et l&#039;acheteur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Seam_Defects\"><\/span><strong>D\u00e9fauts de couture courants<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les inspecteurs v\u00e9rifient l&#039;absence de points saut\u00e9s, la tension du fil, le nombre de points par pouce irr\u00e9gulier et les fils effiloch\u00e9s. Ils contr\u00f4lent \u00e9galement l&#039;alignement des coutures et la solidit\u00e9 des fixations des boucles.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Inspection_And_Testing\"><\/span><strong>Inspection et essais<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les fabricants effectuent des contr\u00f4les visuels et des tests par \u00e9chantillonnage. Des tests de chute et de charge confirment la performance des coutures par rapport au coefficient de s\u00e9curit\u00e9 nominal. Ces contr\u00f4les sont essentiels tout au long du processus. <a href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/manufacturing-process-of-fibc-bags\/\" target=\"_blank\" rel=\"noreferrer noopener\">processus de fabrication des sacs FIBC<\/a>l\u00e0 o\u00f9 l&#039;int\u00e9grit\u00e9 des coutures d\u00e9termine la s\u00e9curit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Does_Full_Traceability_Matter_To_Buyers\"><\/span><strong>Pourquoi la tra\u00e7abilit\u00e9 compl\u00e8te est-elle importante pour les acheteurs\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les acheteurs de grande envergure ont besoin de preuves, pas de promesses. La tra\u00e7abilit\u00e9 transforme la qualit\u00e9 de la couture en preuves document\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"QR_Code_Tracking\"><\/span><strong>Suivi par code QR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Chaque sac peut comporter un code QR qui retrace son historique de production. Ce code relie les donn\u00e9es relatives aux mati\u00e8res premi\u00e8res, au tissage, \u00e0 l&#039;enduction et \u00e0 la confection \u00e0 une seule et m\u00eame unit\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Procurement_Confidence\"><\/span><strong>Confiance dans les achats<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La tra\u00e7abilit\u00e9 de la production permet aux acheteurs de contr\u00f4ler la qualit\u00e9 et de remonter \u00e0 la source de tout probl\u00e8me. Elle r\u00e9duit les risques dans les cha\u00eenes d&#039;approvisionnement des secteurs alimentaire, pharmaceutique et chimique. Le choix du type de sac adapt\u00e9 \u00e0 l&#039;application est \u00e9galement important\u00a0; il convient donc d&#039;examiner\u2026<a href=\"https:\/\/xifagroup.com\/fr\/types-of-fibc-bags\/\" target=\"_blank\" rel=\"noreferrer noopener\"> types de sacs FIBC<\/a> aide les acheteurs \u00e0 sp\u00e9cifier correctement.<\/p>\n\n\n\n<!DOCTYPE html>\r\n<html lang=\"en\">\r\n<head>\r\n  <meta charset=\"UTF-8\">\r\n  <title>Produit phare<\/title>\r\n  <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@300;400;600&#038;display=swap\" rel=\"stylesheet\">\r\n\r\n  <style>\r\n    .hero-card-wrapper {\r\n      font-family: 'Poppins', sans-serif;\r\n      max-width: 900px;\r\n      margin: 40px auto;\r\n    }\r\n\r\n    .hero-card {\r\n      position: relative;\r\n      display: flex;\r\n      flex-wrap: wrap;\r\n      align-items: center;\r\n      background: #f7f8fa;\r\n      border-radius: 16px;\r\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\r\n      padding: 24px;\r\n      text-decoration: none;\r\n      color: inherit;\r\n    }\r\n\r\n    .hero-image {\r\n      width: 220px;\r\n      height: auto;\r\n      border-radius: 12px;\r\n      object-fit: cover;\r\n      flex-shrink: 0;\r\n    }\r\n\r\n    .hero-content {\r\n      padding-left: 24px;\r\n      flex: 1;\r\n      min-width: 260px;\r\n    }\r\n\r\n    .hero-title {\r\n      font-size: 1.6rem;\r\n      font-weight: 600;\r\n      margin-bottom: 12px;\r\n      color: #222;\r\n    }\r\n\r\n    .hero-description {\r\n      font-size: 1rem;\r\n      color: #555;\r\n      margin-bottom: 18px;\r\n      font-weight: 300;\r\n    }\r\n\r\n    .hero-link {\r\n      display: inline-block;\r\n      padding: 10px 20px;\r\n      background-color: rgb(216, 5, 18);\r\n      color: #fff;\r\n      text-decoration: none;\r\n      border-radius: 8px;\r\n      font-weight: 600;\r\n      transition: background 0.2s ease-in-out;\r\n    }\r\n\r\n    \/* \u8ba9\u6574\u4e2a\u5361\u7247\u533a\u57df\u5177\u5907\u70b9\u51fb\u70ed\u533a\uff0c\u540c\u65f6\u4fdd\u6301\u6309\u94ae\u81ea\u8eab\u7684\u4ea4\u4e92 *\/\r\n    .hero-card::after {\r\n      content: '';\r\n      position: absolute;\r\n      top: 0;\r\n      left: 0;\r\n      right: 0;\r\n      bottom: 0;\r\n      border-radius: 16px;\r\n      z-index: 1;\r\n    }\r\n\r\n    .hero-link {\r\n      position: relative;\r\n      z-index: 2; \/* \u786e\u4fdd\u6309\u94ae\u5c42\u7ea7\u9ad8\u4e8e\u80cc\u666f\u70b9\u51fb\u70ed\u533a\uff0c\u907f\u514d\u70b9\u51fb\u5931\u6548 *\/\r\n    }\r\n\r\n    .hero-link:hover {\r\n      background-color: rgb(185, 4, 15);\r\n    }\r\n\r\n    @media (max-width: 640px) {\r\n      .hero-card {\r\n        flex-direction: column;\r\n        text-align: center;\r\n      }\r\n\r\n      .hero-content {\r\n        padding-left: 0;\r\n        padding-top: 20px;\r\n      }\r\n\r\n      .hero-image {\r\n        width: 100%;\r\n        max-width: 280px;\r\n      }\r\n    }\r\n  <\/style>\r\n<\/head>\r\n<body>\r\n\r\n<div class=\"hero-card-wrapper\">\r\n  <div class=\"hero-card\">\r\n    <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/xifagroup.com\/wp-content\/uploads\/2023\/01\/manufacturing_b2.png\" alt=\"Produits d&#039;emballage haut de gamme Xifa\">\r\n    <div class=\"hero-content\">\r\n      <div class=\"hero-title\">Sacs FIBC Xifa en vrac<\/div>\r\n      <div class=\"hero-description\">XIFA est une entreprise leader dans la fabrication de sacs FIBC Jumbo en Chine, proposant des solutions \u00e9cologiques, rentables, peu encombrantes et r\u00e9utilisables.<\/div>\r\n      <a class=\"hero-link\" href=\"https:\/\/xifagroup.com\/fr\/fibc-bag-manufacturer\/\" target=\"_blank\">Voir nos produits<\/a>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<\/body>\r\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La solidit\u00e9 des coutures des GRVS est assur\u00e9e par l&#039;utilisation d&#039;un fil assorti, une densit\u00e9 de points optimale, une \u00e9tanch\u00e9it\u00e9 parfaite du cordon de remplissage et des contr\u00f4les qualit\u00e9 rigoureux. La tra\u00e7abilit\u00e9 garantit ensuite la qualit\u00e9 \u00e0 chaque acheteur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/xifagroup.com\/fr\" target=\"_blank\" rel=\"noreferrer noopener\">Groupe XIFA<\/a> XIFA est un fabricant d&#039;emballages produisant des sacs en polypropyl\u00e8ne tiss\u00e9, des sacs BOPP, des big bags FIBC et des sacs en film PE. Disposant d&#039;une usine de 72\u00a0000 m\u00b2, de plus de 800 employ\u00e9s qualifi\u00e9s et d&#039;un syst\u00e8me de tra\u00e7abilit\u00e9 par QR code sur chaque sac, XIFA r\u00e9pond aux besoins d&#039;emballage des secteurs agroalimentaire, chimique, agricole, pharmaceutique et industriel. L&#039;entreprise est certifi\u00e9e BRCGS, ISO 9001, ISO 14001, OHSAS 18001 et respecte les normes de s\u00e9curit\u00e9 alimentaire telles que FDA, FSA et ISO 22000.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Explorez notre <a href=\"https:\/\/xifagroup.com\/fr\/product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Collection FIBC<\/a> pour sp\u00e9cifier le sac adapt\u00e9 \u00e0 votre produit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>Questions fr\u00e9quemment pos\u00e9es<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Thread_Is_Used_To_Sew_FIBC_Bags\"><\/span><strong>Quel fil utilise-t-on pour coudre les sacs FIBC\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les sacs GRVS utilisent g\u00e9n\u00e9ralement un fil \u00e0 coudre en polypropyl\u00e8ne ou en polyester. Ce fil doit \u00eatre adapt\u00e9 \u00e0 la r\u00e9sistance du tissu et \u00e0 la charge de travail admissible du sac afin de garantir l&#039;\u00e9tanch\u00e9it\u00e9 des coutures lors du levage et de l&#039;empilage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Does_Stitch_Density_Matter_For_FIBC_Seams\"><\/span><strong>Pourquoi la densit\u00e9 des points est-elle importante pour les coutures des GRVS ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La densit\u00e9 des points d\u00e9termine l&#039;\u00e9tanch\u00e9it\u00e9 d&#039;une couture. Un nombre correct de points par pouce emp\u00eache les fuites de poudre fine sans perforer le tissu, assurant ainsi un \u00e9quilibre optimal entre la r\u00e9sistance de la couture et le confinement du produit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_A_Filler_Cord_In_FIBC_Sewing\"><\/span><strong>Qu&#039;est-ce qu&#039;un cordon de remplissage en couture FIBC\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un cordon de remplissage est un fil ins\u00e9r\u00e9 dans la couture lors de la confection. Il comble l&#039;espace entre les couches de tissu, cr\u00e9ant ainsi une couture \u00e9tanche qui emp\u00eache les poudres fines de s&#039;infiltrer.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/xifagroup.com\/fr\/contact\/\" style=\"color:#f1f0f0;background-color:#de4040\" target=\"_blank\" rel=\"noreferrer noopener\">Obtenez un devis gratuit<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>La couture est une \u00e9tape cruciale de la fabrication des sacs FIBC\u00a0: c\u2019est au niveau de la couture que le sac retient son contenu ou c\u00e8de. La plupart des fuites de poudre fine et des d\u00e9chirures proviennent de coutures mal r\u00e9alis\u00e9es, et non du tissu lui-m\u00eame. Cet article explique comment les sp\u00e9cifications du fil, la densit\u00e9 des points et la construction des coutures [\u2026]<\/p>","protected":false},"author":1,"featured_media":4106,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-4105","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fibc-bags"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Standard fibc bags manufacturing process | XIFA<\/title>\n<meta name=\"description\" content=\"Review the standard fibc bags manufacturing process with focus on sewing specifications and thread tension for reliable industrial bulk packaging\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Standard fibc bags manufacturing process | XIFA\" \/>\n<meta property=\"og:description\" content=\"Review the standard fibc bags manufacturing process with focus on sewing specifications and thread tension for reliable industrial bulk packaging\" \/>\n<meta property=\"og:url\" content=\"https:\/\/xifagroup.com\/fr\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/\" \/>\n<meta property=\"og:site_name\" content=\"Woven Polypropylene Bags Manufacturer - XIFA Group\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/XifaIndustrial\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-02T06:20:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-20T06:44:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/xifagroup.com\/wp-content\/uploads\/2026\/07\/image-36.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1012\" \/>\n\t<meta property=\"og:image:height\" content=\"544\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Simin Xiang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Simin Xiang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/xifagroup.com\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/xifagroup.com\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/\"},\"author\":{\"name\":\"Simin Xiang\",\"@id\":\"https:\/\/xifagroup.com\/#\/schema\/person\/4d263c0013bfdfb49c10311e7ac00a7b\"},\"headline\":\"FIBC Bag Sewing Process Explained: Thread Specifications, Stitch Density, And Quality Control\",\"datePublished\":\"2026-07-02T06:20:26+00:00\",\"dateModified\":\"2026-07-20T06:44:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/xifagroup.com\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/\"},\"wordCount\":992,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/xifagroup.com\/#organization\"},\"articleSection\":[\"FIBC bags\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/xifagroup.com\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/xifagroup.com\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/\",\"url\":\"https:\/\/xifagroup.com\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/\",\"name\":\"Standard fibc bags manufacturing process | XIFA\",\"isPartOf\":{\"@id\":\"https:\/\/xifagroup.com\/#website\"},\"datePublished\":\"2026-07-02T06:20:26+00:00\",\"dateModified\":\"2026-07-20T06:44:51+00:00\",\"description\":\"Review the standard fibc bags manufacturing process with focus on sewing specifications and thread tension for reliable industrial bulk packaging\",\"breadcrumb\":{\"@id\":\"https:\/\/xifagroup.com\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/xifagroup.com\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/xifagroup.com\/blog\/fibc-bags\/fibc-bags-sewing-manufacturing-quality\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/xifagroup.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"FIBC Bag Sewing Process Explained: Thread Specifications, Stitch Density, And Quality Control\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/xifagroup.com\/#website\",\"url\":\"https:\/\/xifagroup.com\/\",\"name\":\"Woven Polypropylene Bags Manufacturer - 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