{"id":2058,"date":"2026-05-22T13:27:13","date_gmt":"2026-05-22T11:27:13","guid":{"rendered":"https:\/\/kablonex.pl\/bez-kategorii\/elimination-of-bag-cracking-in-freezers-25-c-for-a-frozen-fruit-producer-with-non-standard-shapes\/"},"modified":"2026-10-08T12:11:14","modified_gmt":"2026-10-08T10:11:14","slug":"elimination-of-bag-cracking-in-freezers-25-c-for-a-frozen-fruit-producer-with-non-standard-shapes","status":"publish","type":"post","link":"https:\/\/kablonex.pl\/en\/case-study\/elimination-of-bag-cracking-in-freezers-25-c-for-a-frozen-fruit-producer-with-non-standard-shapes\/","title":{"rendered":"Frozen fruit producer: no more bag cracking at -25 \u00b0C"},"content":{"rendered":"\n<div class=\"kx-article\">\n\n  <p class=\"kx-lead\">A producer of irregularly shaped frozen fruit (Poland and DACH) had bags cracking systematically in deep freezing and during logistics operations in cold storage. A dedicated multilayer formulation with mLLDPE, matched to the product shape and to sealing on the customer&#8217;s line, brought zero cracks at temperatures down to -25 and -30 \u00b0C.<\/p>\n\n  <div class=\"kx-summary\">\n    <div class=\"kx-label\">In brief<\/div>\n    <ul>\n      <li><b>Customer:<\/b> a producer of frozen fruit with irregular geometry, Poland and DACH.<\/li>\n      <li><b>Problem:<\/b> irregularly shaped fruit tore the characteristic blue bags in deep freezing and during logistics operations in cold storage.<\/li>\n      <li><b>Solution:<\/b> a dedicated multilayer formulation with metallocenes (mLLDPE) and components that increase flexibility at low temperatures.<\/li>\n      <li><b>Result:<\/b> zero cracks at temperatures down to -25 and -30 \u00b0C, a stable seal in cold conditions, fewer complaints and losses in the cold chain.<\/li>\n    <\/ul>\n  <\/div>\n\n  <h2><span class=\"kx-num\">01<\/span> Customer<\/h2>\n\n  <p>Poland and DACH. A producer of frozen fruit with irregular geometry, packed in characteristic blue bags.<\/p>\n\n  <h2><span class=\"kx-num\">02<\/span> Challenge<\/h2>\n\n  <p>The irregularly shaped fruit systematically tore the packaging: in deep freezing and during logistics operations in cold storage.<\/p>\n  <p>An irregular product shape means point stresses, and at -25 \u00b0C polyethylene loses its flexibility and cracks instead of deforming.<\/p>\n\n  <h2><span class=\"kx-num\">03<\/span> Solution<\/h2>\n\n  <ul>\n    <li><b>Formulation:<\/b> dedicated, multilayer.<\/li>\n    <li><b>Metallocenes:<\/b> mLLDPE in the formulation.<\/li>\n    <li><b>Low-temperature flexibility:<\/b> components that increase flexibility at low temperatures.<\/li>\n    <li><b>Fit:<\/b> matched to the specific product geometry and the sealing parameters on the customer&#8217;s line.<\/li>\n  <\/ul>\n\n  <h2><span class=\"kx-num\">04<\/span> Results<\/h2>\n\n  <ul>\n    <li><b>Cracking:<\/b> zero cracks at temperatures down to -25 and -30 \u00b0C.<\/li>\n    <li><b>Seal:<\/b> stable in cold conditions.<\/li>\n    <li><b>Cold chain:<\/b> fewer complaints and losses.<\/li>\n  <\/ul>\n\n  <h2><span class=\"kx-num\">05<\/span> What this means for you<\/h2>\n\n  <p>If your product has sharp edges or an irregular shape, standard freezer film is working at its limit. The problem is solved by choosing the right low-temperature flexibility, not by adding thickness.<\/p>\n\n  <div class=\"kx-link\"><b>For FMCG and food<\/b><a href=\"https:\/\/kablonex.pl\/en\/industries\/fmcg\/\">Packaging films for FMCG and food<\/a><\/div>\n  <div class=\"kx-link\"><b>NEX-PACK packaging films<\/b><a href=\"https:\/\/kablonex.pl\/en\/products\/nex-pack\/\">PE packaging films 20-250 \u00b5m<\/a><\/div>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A producer of irregularly shaped frozen fruit (Poland and DACH) had bags cracking systematically in deep freezing and during logistics operations in cold storage. A dedicated multilayer formulation with mLLDPE, matched to the product shape and to sealing on the customer&#8217;s line, brought zero cracks at temperatures down to -25 and -30 \u00b0C. In brief [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2830,"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-2058","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 v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Frozen fruit bags without cracking at -25 \u00b0C | Kablonex<\/title>\n<meta name=\"description\" content=\"Bags of irregularly shaped frozen fruit cracked in cold storage. 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