{"id":2083,"date":"2026-05-22T13:19:34","date_gmt":"2026-05-22T11:19:34","guid":{"rendered":"https:\/\/kablonex.pl\/bez-kategorii\/downgauging-from-80-to-50-%c2%b5m-in-wood-pellet-and-charcoal-bags-one-of-the-thinnest-pellet-bags-on-the-market\/"},"modified":"2026-10-08T12:18:11","modified_gmt":"2026-10-08T10:18:11","slug":"downgauging-from-80-to-50-%c2%b5m-in-wood-pellet-and-charcoal-bags-one-of-the-thinnest-pellet-bags-on-the-market","status":"publish","type":"post","link":"https:\/\/kablonex.pl\/en\/case-study\/downgauging-from-80-to-50-%c2%b5m-in-wood-pellet-and-charcoal-bags-one-of-the-thinnest-pellet-bags-on-the-market\/","title":{"rendered":"A 50 \u00b5m pellet bag instead of 80 \u00b5m: one of the thinnest on the European market"},"content":{"rendered":"\n<div class=\"kx-article\">\n\n  <p class=\"kx-lead\">A wood pellet and charcoal manufacturer wanted to take as much film as possible out of the bag on its fastest FFS line, without losing a cycle and without the risk of punctures from sharp pellet fractions. NEX-BAG FFS HQ in a 5-layer construction with mLLDPE made it possible to go from 80 to 50 \u00b5m, a reduction of 37.5%, with line speed unchanged.<\/p>\n\n  <div class=\"kx-summary\">\n    <div class=\"kx-label\">In brief<\/div>\n    <ul>\n      <li><b>Customer:<\/b> a wood pellet and charcoal manufacturer in Poland.<\/li>\n      <li><b>Problem:<\/b> less film per bag without losing a cycle on the fastest FFS line and without the risk of punctures from sharp fractions.<\/li>\n      <li><b>Solution:<\/b> NEX-BAG FFS HQ 50 \u00b5m, 5 layers with mLLDPE designed selectively: the outer layers took over puncture resistance, the middle layer shed mass.<\/li>\n      <li><b>Result:<\/b> 50 \u00b5m instead of 80 \u00b5m, i.e. 37.5% less film per bag, line speed unchanged, the bag stays tight under sharp fractions.<\/li>\n    <\/ul>\n  <\/div>\n\n  <div class=\"kx-stats\">\n    <div><b>50 \u00b5m<\/b><span>instead of 80 \u00b5m<\/span><\/div>\n    <div><b>\u221237.5%<\/b><span>film per bag<\/span><\/div>\n    <div><b>5<\/b><span>layers with mLLDPE<\/span><\/div>\n  <\/div>\n\n  <h2><span class=\"kx-num\">01<\/span> Customer<\/h2>\n\n  <p>A wood pellet and charcoal manufacturer in Poland. It packs on the fastest FFS line in its portfolio.<\/p>\n\n  <h2><span class=\"kx-num\">02<\/span> Challenge<\/h2>\n\n  <p>The brief was to take as much film as possible out of the bag without losing a single cycle on the line and without risking punctures from sharp pellet fractions.<\/p>\n\n  <p>These three conditions usually rule each other out, because thinner film means a smaller puncture margin and a narrower sealing window.<\/p>\n\n  <h2><span class=\"kx-num\">03<\/span> Solution<\/h2>\n\n  <ul>\n    <li><b>Film:<\/b> NEX-BAG FFS HQ 50 \u00b5m in a 5-layer construction with mLLDPE.<\/li>\n    <li><b>Selectively designed layers:<\/b> instead of slimming all layers evenly, the outer layers took over puncture resistance and the middle layer shed mass.<\/li>\n    <li><b>Thickness:<\/b> down by 37.5%.<\/li>\n  <\/ul>\n\n  <h2><span class=\"kx-num\">04<\/span> Results<\/h2>\n\n  <table class=\"kx-spec\">\n    <caption>Before and after<\/caption>\n    <tbody>\n      <tr><th scope=\"row\">Bag thickness<\/th><td>80 \u00b5m \u2192 50 \u00b5m, i.e. 37.5% less film per bag<\/td><\/tr>\n      <tr><th scope=\"row\">Packing line speed<\/th><td>unchanged<\/td><\/tr>\n      <tr><th scope=\"row\">Tightness under sharp fractions<\/th><td>the bag stays tight<\/td><\/tr>\n      <tr><th scope=\"row\">Construction<\/th><td>mono-PE, ready for PPWR<\/td><\/tr>\n    <\/tbody>\n  <\/table>\n\n  <h2><span class=\"kx-num\">05<\/span> What this means for you<\/h2>\n\n  <p>If you pack bulk material with sharp fractions and have been told that at your line speed it is not possible to go below 70-80 \u00b5m, this case shows that it is. The condition: the film has to be designed for your machine, not picked from a catalogue.<\/p>\n\n  <div class=\"kx-link\"><b>NEX-BAG bags and films<\/b><a href=\"https:\/\/kablonex.pl\/en\/products\/nex-bag\/\">FFS films and industrial bags, 20-250 \u00b5m<\/a><\/div>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A wood pellet and charcoal manufacturer wanted to take as much film as possible out of the bag on its fastest FFS line, without losing a cycle and without the risk of punctures from sharp pellet fractions. NEX-BAG FFS HQ in a 5-layer construction with mLLDPE made it possible to go from 80 to 50 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":2840,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[26],"tags":[],"class_list":["post-2083","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-study"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pellet bag: 50 \u00b5m instead of 80 \u00b5m, \u221237.5% | Kablonex<\/title>\n<meta name=\"description\" content=\"FFS bag for pellets and charcoal: 50 \u00b5m instead of 80 \u00b5m, 37.5% less film. 5 layers with mLLDPE, line speed unchanged, tight under 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