{"id":3716,"date":"2026-01-22T10:05:16","date_gmt":"2026-01-22T10:05:16","guid":{"rendered":"https:\/\/www.sebinopack.com\/2026\/01\/22\/how-to-read-wear-marks-on-a-multi-trip-big-bag\/"},"modified":"2026-03-09T08:33:15","modified_gmt":"2026-03-09T08:33:15","slug":"how-to-read-wear-marks-on-a-multi-trip-big-bag","status":"publish","type":"post","link":"https:\/\/www.sebinopack.com\/en\/how-to-read-wear-marks-on-a-multi-trip-big-bag\/","title":{"rendered":"Big bag wear: how to read the signs of multi-trips"},"content":{"rendered":"\n<p>In the world of circular logistics, a <strong>multi-trip Big Bag<\/strong> (6:1 certified) travels, supports immense loads, is emptied and refilled. But like any veteran, it collects &#8220;scars&#8221; over time. <\/p>\n\n<p>For a safety manager, being able to distinguish between a surface scratch and structural damage to the fabric is critical. An error in judgment can mean a <strong>sudden failure<\/strong>. <\/p>\n\n<p>Woven polypropylene is like a skin: as long as the fibers are cohesive, the structure is indestructible. When the weave frays, the <strong>load-bearing capacity collapses exponentially<\/strong>. <\/p>\n\n<p>Big Bag often rubs against wooden pallets or container walls during handling. Therefore, it is worth checking for the presence of a<strong> slight fuzz<\/strong> on the surface of the fabric. If it is only<strong>&#8220;pilling<\/strong>&#8221; (small raised fibers) and the underlying weave is still firm and rigid, the bag is sound. This is a sign of aesthetic wear and tear that does not compromise the Safety Factor.   <\/p>\n\n<p>Another thing to check are the <strong>buttonholes<\/strong>: are there fraying at the base of the seam or sharp cuts at the edge of the strap? If you notice <strong>injuries<\/strong>, the bag can no longer guarantee stability. Never attempt to repair a buttonhole with handcrafted stitching.  <\/p>\n\n<p>Polypropylene is sensitive to<strong> prolonged sunlight<\/strong>, which alters its molecular structure, making it brittle: if the fabric appears <strong>faded<\/strong>, <strong>dry to the touch<\/strong>, or produces a <strong>white powder<\/strong>, there is little to be done. These signs indicate that the Big Bag has lost its elasticity. <\/p>\n\n<p>If you notice <strong>cuts greater than 2-3 cm<\/strong>, or tears near a load-bearing seam the structural integrity is gone. Pressure from the internal material will widen the wound in seconds during the next lifting. <\/p>\n\n<p>Before each reuse of a 6:1 Big Bag,<strong> also check these 4 points<\/strong>:<\/p>\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Readable label<\/strong>: if the 6:1 factor label is torn or illegible, the bag should be downgraded or discarded (its history cannot be traced)<\/li>\n\n\n\n<li><strong>Internal cleaning<\/strong>: residues from previous loads can contaminate or create chemical reactions that weaken polypropylene<\/li>\n\n\n\n<li><strong>Bottom integrity<\/strong>: check the drain valve; it is the point that suffers the most stress during emptying<\/li>\n\n\n\n<li><strong>No knots<\/strong>: loops should never be knotted to shorten them; knots reduce the strength of the strap by 50%<\/li>\n<\/ol>\n\n<p>A<strong> SebinoPack <\/strong>multi-trip Big Bag is designed to last a long time, but its safety also depends on your <strong>observation skills.<\/strong> Treating your containers with respect and knowing how to read their signs of wear and tear is the best way to protect your goods and, more importantly, your employees. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the world of circular logistics, a multi-trip Big Bag (6:1 certified) travels, supports immense loads, is emptied and refilled. But like any veteran, it collects &#8220;scars&#8221; over time. For a safety manager, being able to distinguish between a surface scratch and structural damage to the fabric is critical. An error in judgment can mean [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":3694,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-categorizzato"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to read wear marks on a multi-trip Big Bag<\/title>\n<meta name=\"description\" content=\"A multi-trip Big Bag is continuously emptied and refilled. Knowing how to read the signs of wear and tear on the bag prevents sudden failure.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sebinopack.com\/en\/how-to-read-wear-marks-on-a-multi-trip-big-bag\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to read wear marks on a multi-trip Big Bag\" \/>\n<meta property=\"og:description\" content=\"A multi-trip Big Bag is continuously emptied and refilled. 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Knowing how to read the signs of wear and tear on the bag prevents sudden failure.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.sebinopack.com\/en\/how-to-read-wear-marks-on-a-multi-trip-big-bag\/","og_locale":"en_US","og_type":"article","og_title":"How to read wear marks on a multi-trip Big Bag","og_description":"A multi-trip Big Bag is continuously emptied and refilled. 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