{"id":3354,"date":"2025-04-22T08:53:00","date_gmt":"2025-04-22T08:53:00","guid":{"rendered":"https:\/\/nylon-granules.com\/?p=3354"},"modified":"2025-04-22T09:01:06","modified_gmt":"2025-04-22T09:01:06","slug":"food-grade-standards-of-nylon-rods-sheets","status":"publish","type":"post","link":"https:\/\/nylon-granules.com\/lt\/food-grade-standards-of-nylon-rods-sheets\/","title":{"rendered":"Kaip pakeisti nailono stryp\u0173 ir lak\u0161t\u0173 maisto klas\u0117s standartus?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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\" style=\"cursor:inherit\">Turinys<\/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=\"Perjungti turinio lentel\u0119\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Perjungti<\/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' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nylon-granules.com\/lt\/food-grade-standards-of-nylon-rods-sheets\/#Introduction\" >\u012evadas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nylon-granules.com\/lt\/food-grade-standards-of-nylon-rods-sheets\/#Technical_core_of_food-grade_nylon_certification_standards\" >Techninis maisto produkt\u0173 nailono sertifikavimo standart\u0173 pagrindas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nylon-granules.com\/lt\/food-grade-standards-of-nylon-rods-sheets\/#The_%E2%80%9Cformula_game%E2%80%9D_dispute_between_Zytel_42_and_42FG\" >\"Zytel 42\" ir 42FG gin\u010das d\u0117l \"formul\u0117s \u017eaidimo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nylon-granules.com\/lt\/food-grade-standards-of-nylon-rods-sheets\/#The_market_truth_about_the_demand_for_food-grade_nylon\" >Rinkos tiesa apie maistinio nailono paklaus\u0105<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nylon-granules.com\/lt\/food-grade-standards-of-nylon-rods-sheets\/#Diversified_selection_of_compliant_alternative_materials\" >\u012evairus reikalavimus atitinkan\u010di\u0173 alternatyvi\u0173 med\u017eiag\u0173 pasirinkimas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nylon-granules.com\/lt\/food-grade-standards-of-nylon-rods-sheets\/#Emergency_strategies_and_cost_control_of_the_supply_chain\" >Avarin\u0117s strategijos ir tiekimo grandin\u0117s s\u0105naud\u0173 kontrol\u0117<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nylon-granules.com\/lt\/food-grade-standards-of-nylon-rods-sheets\/#Industry_enlightenment_of_food-grade_certification_changes\" >Pramon\u0117s atstov\u0173 informavimas apie maisto produkt\u0173 sertifikavimo poky\u010dius<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nylon-granules.com\/lt\/food-grade-standards-of-nylon-rods-sheets\/#Conclusion\" >I\u0161vada<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"introduction\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><strong>\u012evadas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Pastaraisiais metais pasaulin\u0117s gamybos d\u0117mesio centre atsid\u016br\u0117 maistini\u0173 plastikini\u0173 med\u017eiag\u0173 sauga ir atitiktis reikalavimams. Kaip pla\u010diai naudojama <a href=\"https:\/\/nylon-granules.com\/lt\/products\/\">nailono med\u017eiaga<\/a> pramon\u0117s srityje, jos maisto produkt\u0173 sertifikavimo poky\u010diai tiesiogiai veikia pagrindines pramon\u0117s \u0161akas, pavyzd\u017eiui, maisto perdirbimo ma\u0161inas ir pakavimo \u012frang\u0105. 2023 m. \"DuPont\" paskelb\u0117, kad klasikin\u0117 nailono derva \"Zytel 42\" nebetur\u0117s FDA maisto kokyb\u0117s sertifikato ir vietoj jos bus prad\u0117ta gaminti brangi alternatyva \"Zytel 42FG\". \u0160is pokytis suk\u0117l\u0117 \u0161ok\u0105 pramon\u0117je ir paskatino specialistus i\u0161 naujo i\u0161nagrin\u0117ti nailono stryp\u0173 ir lak\u0161t\u0173 maisto kokyb\u0117s standartus ir alternatyvas. \u0160iame straipsnyje analizuojami \u0161e\u0161i aspektai, \u012fskaitant techninius standartus, rinkos strategijas ir alternatyvias med\u017eiagas, ir pateikiami moksliniai pasi\u016blymai pramonei.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_865619363\">\n\t\t<a class=\"\" href=\"https:\/\/nylon-granules.com\/lt\/\" >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"894\" height=\"637\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2025\/04\/Zytel-42.jpg\" class=\"attachment-original size-original\" alt=\"Zytel 42\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2025\/04\/Zytel-42.jpg 894w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2025\/04\/Zytel-42-300x214.jpg 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2025\/04\/Zytel-42-768x547.jpg 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2025\/04\/Zytel-42-18x12.jpg 18w\" sizes=\"auto, (max-width: 894px) 100vw, 894px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_865619363 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-526740028\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-526740028 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<h2 id=\"1-technical-core-of-food-grade-nylon-certification-standards\"><span class=\"ez-toc-section\" id=\"Technical_core_of_food-grade_nylon_certification_standards\"><\/span><strong>Techninis maisto produkt\u0173 nailono sertifikavimo standart\u0173 pagrindas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nailono med\u017eiag\u0173 atitiktis maisto produktams turi atitikti\u00a0<strong>FDA 21 CFR 177.1500<\/strong>\u00a0standartas, pagal kur\u012f reikalaujama, kad med\u017eiaga nei\u0161skirt\u0173 kenksming\u0173 med\u017eiag\u0173, kai lie\u010diasi su maistu, ir b\u016bt\u0173 atspari auk\u0161tai temperat\u016brai, riebalams ir kitai aplinkai. Zytel 42, kaip nailono 6\/6 atstovas, jau seniai i\u0161laik\u0117 migracijos (bendra migracija \u2264 10 mg\/dm\u00b2) ir juslinius (n\u0117ra kvapo, n\u0117ra spalvos migracijos) bandymus ir tapo pirmuoju pasirinkimu maisto ma\u0161in\u0173 dalims gaminti (<a href=\"https:\/\/www.fda.gov\/food\" target=\"_blank\" rel=\"noopener\">FDA su maistu besilie\u010dian\u010di\u0173 med\u017eiag\u0173 duomen\u0173 baz\u0117<\/a>). Ta\u010diau \u0161\u012f kart\u0105 \"DuPont\" pakoregavus formul\u0119, nors \"Zytel 42FG\" teig\u0117, kad jos eksploatacin\u0117s savyb\u0117s i\u0161liko nepakitusios, jai reik\u0117jo i\u0161 naujo pateikti visas bandym\u0173 ataskaitas, tod\u0117l sertifikavimo ciklas buvo prat\u0119stas, o i\u0161laidos i\u0161augo. \u0160is pokytis atskleid\u017eia, kad maisto produkt\u0173 sertifikavimas priklauso ne tik nuo med\u017eiagos sud\u0117ties, bet ir yra glaud\u017eiai susij\u0119s su gamintojo investicijomis \u012f atitikt\u012f.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"2-the-formula-game-dispute-between-zytel-42-and-42fg\"><span class=\"ez-toc-section\" id=\"The_%E2%80%9Cformula_game%E2%80%9D_dispute_between_Zytel_42_and_42FG\"><\/span><strong>\"Zytel 42\" ir 42FG gin\u010das d\u0117l \"formul\u0117s \u017eaidimo<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DuPont teigia, kad Zytel 42FG yra \"optimizuota versija\", ta\u010diau, remiantis pramon\u0117s laboratorijose atliktais lyginamaisiais bandymais, skirtumas tarp \u0161i\u0173 dviej\u0173 med\u017eiag\u0173 pagal pagrindinius rodiklius, pvz.\u00a0<strong>atsparumas tempimui (80MPa vs 82MPa)<\/strong>\u00a0ir\u00a0<strong>lydymosi temperat\u016bra (260 \u2103 vs 262 \u2103)<\/strong> yra ma\u017eesnis nei 2%. Verta pa\u017eym\u0117ti, kad 42FG kaina, palyginti su senuoju modeliu, padid\u0117jo 35%-50%, o gamybos procese supaprast\u0117jo pried\u0173 r\u016b\u0161ys. Pramon\u0117s ekspertai nurod\u0117, kad \u0161is \u017eingsnis gali b\u016bti skirtas ne esminiam technologiniam patobulinimui, o priemokai gauti per \"sertifikavimo atstatym\u0105\". Nors \u0161i strategija sukuria pelno augimo ta\u0161kus \u012fmon\u0117ms, ji didina tiekimo grandin\u0117s rizik\u0105 tolesniems gamintojams.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"3-the-market-truth-about-the-demand-for-food-grade-nylon\"><span class=\"ez-toc-section\" id=\"The_market_truth_about_the_demand_for_food-grade_nylon\"><\/span><strong>Rinkos tiesa apie maistinio nailono paklaus\u0105<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nors nailono atsparumas dilimui ir mechaninis atsparumas turi dideli\u0173 privalum\u0173, maisto sritis n\u0117ra pagrindinis jo kovos laukas. Remiantis statistiniais duomenimis, 2022 m. pasaulin\u0117je maisto plastiko rinkoje polietilenas (PE) sudarys 38%, polipropilenas (PP) - 29%, o nailono serija - tik 7%. Naudotoj\u0173 apklausos rodo, kad in\u017einieriai da\u017eniausiai renkasi nailon\u0105 d\u0117l jo savybi\u0173, apsaugan\u010di\u0173 nuo nuovargio (krumpliara\u010diai) arba atsparumo auk\u0161tai temperat\u016brai (kepimo \u012franga), o ne d\u0117l aktyvaus siekio gauti maisto klas\u0117s sertifikat\u0105. Tai paai\u0161kina, kod\u0117l \"Zytel 42\" sertifikato panaikinimas nesuk\u0117l\u0117 plataus masto pakeitimo tendencijos, ta\u010diau taip pat \u012fsp\u0117ja gamintojus tiksliai nustatyti paklaus\u0105.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"4-diversified-selection-of-compliant-alternative-materials\"><span class=\"ez-toc-section\" id=\"Diversified_selection_of_compliant_alternative_materials\"><\/span><strong>\u012evairus reikalavimus atitinkan\u010di\u0173 alternatyvi\u0173 med\u017eiag\u0173 pasirinkimas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Atsi\u017evelgdami \u012f sertifikavimo poky\u010dius, pramon\u0117s atstovai gali pasinaudoti \u0161iais atitikties u\u017etikrinimo sprendimais:<\/p>\n<ol>\n<li><strong><a href=\"https:\/\/nylon-granules.com\/lt\/products\/nylon-12\/\">Nailonas 12<\/a> (PA12)<\/strong>: I\u0161laikytas ISO 10993 biologinio suderinamumo sertifikatas, ypa\u010d tinkamas ilgalaikiam s\u0105ly\u010diui su r\u016bg\u0161tine maisto aplinka.<\/li>\n<li><strong>Polioksimetileno kopolimeras (POM)<\/strong>: Atitinka ES 10\/2011 standartus, pagal atsparum\u0105 dilimui ir matmen\u0173 stabilum\u0105 prilygsta nailonui 6\/6.<\/li>\n<li><strong>Labai didel\u0117s molekulin\u0117s mas\u0117s polietilenas (UHMW-PE)<\/strong>: FDA sertifikuota ir pigesn\u0117, tinka konvejeri\u0173 juostoms, kreipiamiesiems b\u0117giams ir kitiems scenarijams<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2 id=\"5-emergency-strategies-and-cost-control-of-the-supply-chain\"><span class=\"ez-toc-section\" id=\"Emergency_strategies_and_cost_control_of_the_supply_chain\"><\/span><strong>Avarin\u0117s strategijos ir tiekimo grandin\u0117s s\u0105naud\u0173 kontrol\u0117<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><strong>Atsarg\u0173 buferis<\/strong>: \u012emon\u0117ms rekomenduojama sudaryti 3-6 m\u0117nesi\u0173 \"Zytel 42\" saugos inventori\u0173 ir pereinam\u0105j\u012f laikotarp\u012f i\u0161naudoti med\u017eiag\u0173 pakeitimui.<\/li>\n<li><strong>Dviej\u0173 \u0161altini\u0173 vie\u0161ieji pirkimai<\/strong>: Kartu \u012fvertinti Cast Nylon (lietas nailonas) tiek\u0117jas, jos didelio dyd\u017eio lak\u0161tai (pvz., 12 \"x 12\" x 48\") buvo sertifikuoti NSF<\/li>\n<li><strong>Proceso optimizavimas<\/strong>: pagerinti nesertifikuoto nailono atitikt\u012f, naudojant pavir\u0161iaus padengimo technologij\u0105 (pvz., apdorojim\u0105 maistiniu silikonu)<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2 id=\"vi-industry-enlightenment-of-food-grade-certification-changes\"><span class=\"ez-toc-section\" id=\"Industry_enlightenment_of_food-grade_certification_changes\"><\/span><strong>Pramon\u0117s atstov\u0173 informavimas apie maisto produkt\u0173 sertifikavimo poky\u010dius<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0160is incidentas atskleid\u0117 tris giliai \u012fsi\u0161aknijusias problemas:<\/p>\n<ol>\n<li><strong>Sertifikavimo priklausomyb\u0117s rizika<\/strong>: Vienos med\u017eiagos sertifikavimo poky\u010diai gali tur\u0117ti \u012ftakos visai tiekimo grandinei<\/li>\n<li><strong>Techninio skaidrumo tr\u016bkumas<\/strong>: Gamintojai nevisi\u0161kai atskleid\u017eia fizikin\u012f ir chemin\u012f formul\u0117s koregavimo pagrind\u0105<\/li>\n<li><strong>V\u0117luojantis alternatyvi\u0173 med\u017eiag\u0173 k\u016brimas<\/strong>: Pramon\u0117 nepakankamai investuoja \u012f nailono pakaital\u0173 mokslinius tyrimus<\/li>\n<\/ol>\n<p>Tarptautin\u0117 plastik\u0173 asociacija (SPI) rekomenduoja \u012fsteigti\u00a0<strong>Med\u017eiag\u0173 sertifikavimo duomen\u0173 baz\u0117s aljansas<\/strong> pasiekti, kad b\u016bt\u0173 dalijamasi bandym\u0173 duomenimis ir suma\u017e\u0117t\u0173 \u012fmoni\u0173 pakartotinio sertifikavimo i\u0161laidos.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>I\u0161vada<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\"DuPont Zytel\" serijos sertifikavimo koregavimas - tai ir i\u0161\u0161\u016bkis, ir galimyb\u0117 skatinti pramon\u0117s modernizavim\u0105. Praktikams patariama:<\/p>\n<ol>\n<li>I\u0161 naujo \u012fvertinti nailono b\u016btinyb\u0119 maisto produktams ir pirmenyb\u0119 teikti ekonomi\u0161kesn\u0117ms alternatyvoms, pavyzd\u017eiui, UHMW-PE.<\/li>\n<li>reikalauti, kad tiek\u0117jai pateikt\u0173 i\u0161samias per\u0117jimo bandym\u0173 ataskaitas, o ne vien tik sertifikavimo etiketes.<\/li>\n<li>Dalyvaukite pramon\u0117s asociacij\u0173 veikloje, kad skatintum\u0117te sertifikavimo standart\u0173 skaidrum\u0105.<\/li>\n<\/ol>\n<p>Atsi\u017evelgiant \u012f naujus ES (ES) 2023\/15 reglamentus ir atnaujintas FDA gaires, maisto med\u017eiag\u0173 atitikties riba ir toliau did\u0117s. Permain\u0173 iniciatyv\u0105 galime perimti tik pasitelk\u0119 technologines naujoves ir bendradarbiaudami tiekimo grandin\u0117je.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u012evadas Pastaraisiais metais pasaulin\u0117s gamybos d\u0117mesio centre atsid\u016br\u0117 maisto plastiko med\u017eiag\u0173 sauga ir atitiktis reikalavimams. Kadangi nailono med\u017eiaga pla\u010diai naudojama pramon\u0117je, jos sertifikavimo pagal maisto produktus poky\u010diai tiesiogiai veikia pagrindines pramon\u0117s \u0161akas, pavyzd\u017eiui, maisto perdirbimo ma\u0161inas ir pakavimo \u012frang\u0105. 2023 m. \"DuPont\" paskelb\u0117, kad jos klasikin\u0117 nailono derva [...]","protected":false},"author":1,"featured_media":3356,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3354","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/posts\/3354","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/comments?post=3354"}],"version-history":[{"count":4,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/posts\/3354\/revisions"}],"predecessor-version":[{"id":3358,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/posts\/3354\/revisions\/3358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/media\/3356"}],"wp:attachment":[{"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/media?parent=3354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/categories?post=3354"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/tags?post=3354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}