{"id":979,"date":"2026-07-01T07:47:21","date_gmt":"2026-07-01T07:47:21","guid":{"rendered":"https:\/\/www.teartester.com\/?post_type=standard&#038;p=979"},"modified":"2026-07-01T08:11:26","modified_gmt":"2026-07-01T08:11:26","slug":"astm-d1922","status":"publish","type":"standard","link":"https:\/\/www.teartester.com\/cs\/standard\/astm-d1922\/","title":{"rendered":"ASTM D1922"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Trvanlivost materi\u00e1lu je kl\u00ed\u010dov\u00fdm kvalitativn\u00edm parametrem u flexibiln\u00edch obal\u016f, plastov\u00fdch f\u00f3li\u00ed, pap\u00edrov\u00fdch v\u00fdrobk\u016f, zdravotnick\u00fdch obal\u016f a pr\u016fmyslov\u00fdch materi\u00e1l\u016f. A <strong>Tester slz<\/strong> je nezbytn\u00fd laboratorn\u00ed p\u0159\u00edstroj, kter\u00fd slou\u017e\u00ed k hodnocen\u00ed schopnosti materi\u00e1lu odol\u00e1vat \u0161\u00ed\u0159en\u00ed ji\u017e vznikl\u00e9ho trhlin. Na z\u00e1klad\u011b m\u011b\u0159en\u00ed odolnosti proti roztr\u017een\u00ed mohou v\u00fdrobci p\u0159edv\u00eddat chov\u00e1n\u00ed v\u00fdrobku p\u0159i manipulaci, p\u0159eprav\u011b, zpracov\u00e1n\u00ed a p\u0159i kone\u010dn\u00e9m pou\u017eit\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro organizace zab\u00fdvaj\u00edc\u00ed se v\u00fdrobou f\u00f3li\u00ed, lamin\u00e1t\u016f, pap\u00edru a flexibiln\u00edch obalov\u00fdch materi\u00e1l\u016f je prov\u00e1d\u011bn\u00ed standardizovan\u00e9ho <strong>zkou\u0161ka odolnosti proti roztr\u017een\u00ed<\/strong> pom\u00e1h\u00e1 zajistit konzistenci v\u00fdrobk\u016f, optimalizovat v\u00fdb\u011br materi\u00e1l\u016f a sn\u00ed\u017eit riziko selh\u00e1n\u00ed v re\u00e1ln\u00fdch podm\u00ednk\u00e1ch. Mezi nejuzn\u00e1van\u011bj\u0161\u00ed normy pro tento \u00fa\u010del pat\u0159\u00ed <strong>ASTM D1922<\/strong>, kter\u00e1 stanovuje metodu s Elmendorfov\u00fdm kyvadlem pro stanoven\u00ed odolnosti plastov\u00fdch f\u00f3li\u00ed a tenk\u00fdch desek proti roztr\u017een\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d je odolnost proti roztr\u017een\u00ed d\u016fle\u017eit\u00e1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mnoh\u00e9 pru\u017en\u00e9 materi\u00e1ly jsou p\u0159i v\u00fdrob\u011b a pou\u017e\u00edv\u00e1n\u00ed vystaveny nam\u00e1h\u00e1n\u00ed, kter\u00e9 m\u016f\u017ee zp\u016fsobit vznik drobn\u00fdch trhlin, prop\u00edchnut\u00ed nebo z\u00e1\u0159ez\u016f. Jakmile dojde k prvn\u00edmu natr\u017een\u00ed, st\u00e1v\u00e1 se rozhoduj\u00edc\u00ed schopnost materi\u00e1lu odol\u00e1vat dal\u0161\u00edmu \u0161\u00ed\u0159en\u00ed trhliny.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U materi\u00e1lu s nedostate\u010dnou odolnost\u00ed proti roztr\u017een\u00ed m\u016f\u017ee doj\u00edt k:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Po\u0161kozen\u00ed z\u00e1silky b\u011bhem p\u0159epravy<\/li>\n\n\n\n<li>\u00danik produktu<\/li>\n\n\n\n<li>Omezen\u00e1 ochrana trvanlivosti<\/li>\n\n\n\n<li>Probl\u00e9my s p\u0159evodem a zpracov\u00e1n\u00edm<\/li>\n\n\n\n<li>St\u00ed\u017enosti z\u00e1kazn\u00edk\u016f a vr\u00e1cen\u00ed zbo\u017e\u00ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Naopak materi\u00e1ly s odpov\u00eddaj\u00edc\u00ed odolnost\u00ed proti roztr\u017een\u00ed zaji\u0161\u0165uj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zv\u00fd\u0161en\u00e1 \u017eivotnost<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e1 odolnost proti prop\u00edchnut\u00ed<\/li>\n\n\n\n<li>Lep\u0161\u00ed j\u00edzdn\u00ed vlastnosti<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e1 spolehlivost balen\u00ed<\/li>\n\n\n\n<li>Lep\u0161\u00ed ochrana v\u00fdrobk\u016f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e1v\u011b proto z\u016fst\u00e1v\u00e1 zkou\u0161en\u00ed odolnosti proti roztr\u017een\u00ed z\u00e1sadn\u00ed sou\u010d\u00e1st\u00ed program\u016f kontroly kvality a v\u00fdvoje v\u00fdrobk\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je to p\u0159\u00edstroj na zkou\u0161en\u00ed odolnosti proti roztr\u017een\u00ed?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Tester slz<\/strong> je specializovan\u00fd p\u0159\u00edstroj ur\u010den\u00fd k m\u011b\u0159en\u00ed s\u00edly pot\u0159ebn\u00e9 k dal\u0161\u00edmu roztr\u017een\u00ed p\u0159edem na\u0159ezan\u00e9ho vzorku na stanovenou vzd\u00e1lenost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nejb\u011b\u017en\u011bj\u0161\u00edm proveden\u00edm je <strong>Tester slz Elmendorf<\/strong>, kter\u00fd vyu\u017e\u00edv\u00e1 kyvadlov\u00fd mechanismus k ur\u010den\u00ed energie absorbovan\u00e9 b\u011bhem \u0161\u00ed\u0159en\u00ed trhliny.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tento p\u0159\u00edstroj umo\u017e\u0148uje kvantitativn\u00ed m\u011b\u0159en\u00ed zn\u00e1m\u00e9 jako <strong>Pevnost v trh\u00e1n\u00ed podle Elmendorfa<\/strong>, co\u017e odr\u00e1\u017e\u00ed odolnost materi\u00e1lu proti roztr\u017een\u00ed pot\u00e9, co ji\u017e do\u0161lo k po\u010d\u00e1tku trhliny.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vysv\u011btlen\u00ed normy ASTM D1922<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Co je norma ASTM D1922?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D1922<\/strong> jedn\u00e1 se o standardn\u00ed zku\u0161ebn\u00ed metodu pro stanoven\u00ed odolnosti plastov\u00fdch f\u00f3li\u00ed a tenk\u00fdch desek proti \u0161\u00ed\u0159en\u00ed trhliny pomoc\u00ed kyvadlov\u00e9ho p\u0159\u00edstroje typu Elmendorf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tato norma se v cel\u00e9m textu hojn\u011b pou\u017e\u00edv\u00e1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00fdroba flexibiln\u00edch obal\u016f<\/li>\n\n\n\n<li>V\u00fdroba plastov\u00fdch f\u00f3li\u00ed<\/li>\n\n\n\n<li>V\u00fdvoj obal\u016f pro zdravotnick\u00e9 \u00fa\u010dely<\/li>\n\n\n\n<li>Zkou\u0161en\u00ed pr\u016fmyslov\u00fdch materi\u00e1l\u016f<\/li>\n\n\n\n<li>V\u00fdzkumn\u00e9 laborato\u0159e<\/li>\n\n\n\n<li>Odd\u011blen\u00ed zaji\u0161t\u011bn\u00ed kvality<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u00da\u010del zkou\u0161ky podle normy ASTM D1922<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00edlem normy ASTM D1922 je zm\u011b\u0159it energii pot\u0159ebnou k roz\u0161\u00ed\u0159en\u00ed st\u00e1vaj\u00edc\u00edho trhliny na stanovenou d\u00e9lku materi\u00e1lu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Z\u00edskan\u00e9 \u00fadaje pom\u00e1haj\u00ed v\u00fdrobc\u016fm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Porovn\u00e1n\u00ed t\u0159\u00edd materi\u00e1l\u016f<\/li>\n\n\n\n<li>Posoudit strukturu film\u016f<\/li>\n\n\n\n<li>Sledovat konzistenci v\u00fdroby<\/li>\n\n\n\n<li>Ov\u011b\u0159it po\u017eadavky z\u00e1kazn\u00edka<\/li>\n\n\n\n<li>Podpora projekt\u016f zam\u011b\u0159en\u00fdch na v\u00fdvoj materi\u00e1l\u016f<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Jak funguje zkou\u0161ka pevnosti v trh\u00e1n\u00ed podle Elmendorfa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>zkou\u0161ka odolnosti proti roztr\u017een\u00ed<\/strong> Zkou\u0161ka prov\u00e1d\u011bn\u00e1 podle normy ASTM D1922 vyu\u017e\u00edv\u00e1 syst\u00e9m s kyvadlem, kter\u00fd m\u011b\u0159\u00ed pr\u00e1ci vykonanou b\u011bhem \u0161\u00ed\u0159en\u00ed trhliny.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Princip testov\u00e1n\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Postup se skl\u00e1d\u00e1 z n\u00e1sleduj\u00edc\u00edch z\u00e1kladn\u00edch krok\u016f:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Vzorek se p\u0159iprav\u00ed tak, aby m\u011bl definovanou \u0161t\u011brbinu nebo z\u00e1\u0159ez.<\/li>\n\n\n\n<li>Vzorek se upne do p\u0159\u00edstroje.<\/li>\n\n\n\n<li>Kyvadlo se uvoln\u00ed z ur\u010dit\u00e9 v\u00fd\u0161ky.<\/li>\n\n\n\n<li>Kyvadlo \u0161\u00ed\u0159\u00ed trhlinu vzorkem.<\/li>\n\n\n\n<li>M\u011b\u0159\u00ed se energie absorbovan\u00e1 p\u0159i trh\u00e1n\u00ed.<\/li>\n\n\n\n<li>Tento p\u0159\u00edstroj m\u011b\u0159\u00ed odolnost proti roztr\u017een\u00ed.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u010c\u00edm v\u011bt\u0161\u00ed je pot\u0159ebn\u00e1 energie, t\u00edm vy\u0161\u0161\u00ed je odolnost materi\u00e1lu proti roztr\u017een\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pro\u010d je Elmendorfova metoda \u00fa\u010dinn\u00e1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Elmendorfova metoda simuluje podm\u00ednky rychl\u00e9ho \u0161\u00ed\u0159en\u00ed trhliny, k nim\u017e \u010dasto doch\u00e1z\u00ed v praxi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00edky tomu je obzvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00fd pro hodnocen\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Odolnost obalu<\/li>\n\n\n\n<li>V\u00fdkon p\u0159i manipulaci s filmem<\/li>\n\n\n\n<li>Tvrdost materi\u00e1lu<\/li>\n\n\n\n<li>Spolehlivost v\u00fdrobku<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Odolnost plastov\u00e9 f\u00f3lie proti roztr\u017een\u00ed<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdznam odolnosti proti roztr\u017een\u00ed u plastov\u00fdch f\u00f3li\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hodnocen\u00ed <strong>odolnost plastov\u00e9 f\u00f3lie proti roztr\u017een\u00ed<\/strong> je nezbytn\u00e9, proto\u017ee filmy jsou \u010dasto vystaveny nam\u00e1h\u00e1n\u00ed b\u011bhem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Odv\u00edjen\u00ed role<\/li>\n\n\n\n<li>Tisk<\/li>\n\n\n\n<li>Laminov\u00e1n\u00ed<\/li>\n\n\n\n<li>\u0158ez\u00e1n\u00ed na p\u00e1sy<\/li>\n\n\n\n<li>Balic\u00ed operace<\/li>\n\n\n\n<li>Doprava<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">I mal\u00fd z\u00e1\u0159ez nebo prop\u00edchnut\u00ed se m\u016f\u017ee zv\u011bt\u0161it v v\u011bt\u0161\u00ed trhlinu, pokud materi\u00e1l nem\u00e1 dostate\u010dnou odolnost proti roztr\u017een\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Testovan\u00e9 b\u011b\u017en\u00e9 filmov\u00e9 materi\u00e1ly<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Tester slz<\/strong> se \u010dasto pou\u017e\u00edv\u00e1 k hodnocen\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LDPE f\u00f3lie<\/li>\n\n\n\n<li>LLDPE f\u00f3lie<\/li>\n\n\n\n<li>F\u00f3lie z HDPE<\/li>\n\n\n\n<li>F\u00f3lie BOPP<\/li>\n\n\n\n<li>F\u00f3lie CPP<\/li>\n\n\n\n<li>PET f\u00f3lie<\/li>\n\n\n\n<li>Nylonov\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>V\u00edcevrstv\u00e9 bari\u00e9rov\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>Stre\u010dov\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>Smr\u0161titeln\u00e9 f\u00f3lie<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tyto v\u00fdsledky pom\u00e1haj\u00ed v\u00fdrobc\u016fm optimalizovat slo\u017een\u00ed a strukturu f\u00f3li\u00ed pro konkr\u00e9tn\u00ed pou\u017eit\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zku\u0161ebn\u00ed p\u0159\u00edstroj Elmendorf pro m\u011b\u0159en\u00ed odolnosti proti roztr\u017een\u00ed v r\u00e1mci kontroly kvality<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na str\u00e1nk\u00e1ch <strong>Tester slz Elmendorf<\/strong> z\u016fst\u00e1v\u00e1 jedn\u00edm z nej\u010dast\u011bji pou\u017e\u00edvan\u00fdch p\u0159\u00edstroj\u016f pro zkou\u0161ky trh\u00e1n\u00ed d\u00edky sv\u00e9 jednoduchosti, opakovatelnosti a \u0161irok\u00e9mu p\u0159ijet\u00ed v pr\u016fmyslu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdhody Elmendorfovy metody<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Postup rychl\u00e9ho testov\u00e1n\u00ed<\/li>\n\n\n\n<li>Vysok\u00e1 opakovatelnost<\/li>\n\n\n\n<li>Standardizovan\u00e1 metodika<\/li>\n\n\n\n<li>Vhodn\u00e9 pro tenk\u00e9 materi\u00e1ly<\/li>\n\n\n\n<li>\u0160iroce uzn\u00e1van\u00fd na mezin\u00e1rodn\u00ed \u00farovni<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00edky pravideln\u00fdm test\u016fm mohou pracovn\u00edci kontroly kvality odhalit odchylky v procesu je\u0161t\u011b p\u0159edt\u00edm, ne\u017e se v\u00fdrobky dostanou k z\u00e1kazn\u00edk\u016fm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Typick\u00fd postup p\u0159i zkou\u0161ce odolnosti proti roztr\u017een\u00ed<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edprava vzork\u016f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vn\u00e1 p\u0159\u00edprava vzorku je z\u00e1sadn\u00ed pro z\u00edsk\u00e1n\u00ed spolehliv\u00fdch v\u00fdsledk\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mezi osv\u011bd\u010den\u00e9 postupy pat\u0159\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159\u00edprava vzork\u016f p\u0159ed zkou\u0161kou<\/li>\n\n\n\n<li>Dodr\u017eov\u00e1n\u00ed stanoven\u00fdch rozm\u011br\u016f<\/li>\n\n\n\n<li>Pou\u017e\u00edv\u00e1n\u00ed ostr\u00fdch \u0159ezac\u00edch n\u00e1stroj\u016f<\/li>\n\n\n\n<li>Vyh\u00fdb\u00e1n\u00ed se po\u0161kozen\u00fdm m\u00edst\u016fm<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Spu\u0161t\u011bn\u00ed testu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Standardn\u00ed testovac\u00ed postup zahrnuje:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Zku\u0161ebn\u00ed vzorky p\u0159ipravte podle normy ASTM D1922.<\/li>\n\n\n\n<li>Vytvo\u0159te po\u017eadovanou \u0161t\u011brbinu.<\/li>\n\n\n\n<li>Vzorek pevn\u011b upn\u011bte.<\/li>\n\n\n\n<li>Vyberte vhodnou nosnost kyvadla.<\/li>\n\n\n\n<li>Uvoln\u011bte kyvadlo.<\/li>\n\n\n\n<li>Zaznamenejte hodnoty odolnosti proti roztr\u017een\u00ed.<\/li>\n\n\n\n<li>Tento postup opakujte u v\u00edce vzork\u016f.<\/li>\n\n\n\n<li>Vypo\u010d\u00edtejte pr\u016fm\u011brn\u00e9 v\u00fdsledky.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Modern\u00ed digit\u00e1ln\u00ed syst\u00e9my \u010dasto automatizuj\u00ed sb\u011br v\u00fdsledk\u016f a vykazov\u00e1n\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jak porozum\u011bt v\u00fdsledk\u016fm test\u016f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Co je to pevnost v trh\u00e1n\u00ed podle Elmendorfa?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pevnost v trh\u00e1n\u00ed podle Elmendorfa<\/strong> p\u0159edstavuje energii pot\u0159ebnou k dal\u0161\u00edmu trh\u00e1n\u00ed materi\u00e1lu pot\u00e9, co ji\u017e do\u0161lo k po\u010d\u00e1tku trhliny.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vy\u0161\u0161\u00ed hodnoty obecn\u011b znamenaj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vy\u0161\u0161\u00ed odolnost proti roztr\u017een\u00ed<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e1 \u017eivotnost<\/li>\n\n\n\n<li>Lep\u0161\u00ed j\u00edzdn\u00ed vlastnosti<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e1 odolnost proti prop\u00edchnut\u00ed<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ni\u017e\u0161\u00ed hodnoty mohou nazna\u010dovat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chov\u00e1n\u00ed k\u0159ehk\u00e9ho materi\u00e1lu<\/li>\n\n\n\n<li>Struktur\u00e1ln\u00ed nedostatky<\/li>\n\n\n\n<li>Sn\u00ed\u017een\u00e1 odolnost proti po\u0161kozen\u00ed<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edklad v\u00fdkladu<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>V\u00fdsledek zkou\u0161ky odolnosti proti roztr\u017een\u00ed<\/th><th>Obecn\u00fd v\u00fdklad<\/th><\/tr><\/thead><tbody><tr><td>N\u00edzk\u00e1<\/td><td>Snadn\u00e9 \u0161\u00ed\u0159en\u00ed odno\u017eemi<\/td><\/tr><tr><td>St\u0159edn\u00ed<\/td><td>Vyv\u00e1\u017een\u00fd v\u00fdkon<\/td><\/tr><tr><td>Vysok\u00e1<\/td><td>Vysok\u00e1 odolnost proti roztr\u017een\u00ed<\/td><\/tr><tr><td>Velmi vysok\u00e1<\/td><td>Vynikaj\u00edc\u00ed odolnost<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Konkr\u00e9tn\u00ed krit\u00e9ria pro p\u0159ijet\u00ed z\u00e1vis\u00ed na typu materi\u00e1lu a zam\u00fd\u0161len\u00e9m pou\u017eit\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vyu\u017eit\u00ed v r\u016fzn\u00fdch odv\u011btv\u00edch<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Flexibiln\u00ed obaly<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zkou\u0161ka odolnosti proti roztr\u017een\u00ed se \u0161iroce pou\u017e\u00edv\u00e1 pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>F\u00f3lie pro balen\u00ed potravin<\/li>\n\n\n\n<li>Pr\u016fmyslov\u00e9 balic\u00ed f\u00f3lie<\/li>\n\n\n\n<li>Maloobchodn\u00ed balen\u00ed<\/li>\n\n\n\n<li>Smr\u0161\u0165ovac\u00ed obaly<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Obaly pro zdravotnictv\u00ed a farmaceutick\u00fd pr\u016fmysl<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdrobci hodnot\u00ed vlastnosti p\u0159i trh\u00e1n\u00ed, aby dos\u00e1hli rovnov\u00e1hy mezi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Trvanlivost balen\u00ed<\/li>\n\n\n\n<li>Snadn\u00e9 otev\u00edr\u00e1n\u00ed<\/li>\n\n\n\n<li>Ochrana v\u00fdrobk\u016f<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pap\u00edr a lepenka<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A\u010dkoli se norma ASTM D1922 zam\u011b\u0159uje na plastov\u00e9 f\u00f3lie, podobn\u00e9 metody zkou\u0161ek odolnosti proti roztr\u017een\u00ed se pou\u017e\u00edvaj\u00ed pro:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Balic\u00ed pap\u00edr<\/li>\n\n\n\n<li>\u0160t\u00edtky<\/li>\n\n\n\n<li>Kartony<\/li>\n\n\n\n<li>Speci\u00e1ln\u00ed pap\u00edry<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdzkum a v\u00fdvoj<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdzkumn\u00e9 a v\u00fdvojov\u00e9 laborato\u0159e vyu\u017e\u00edvaj\u00ed zkou\u0161ky odolnosti proti roztr\u017een\u00ed k:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Porovn\u00e1n\u00ed slo\u017een\u00ed prysky\u0159ic<\/li>\n\n\n\n<li>Optimalizace v\u00edcevrstv\u00fdch struktur<\/li>\n\n\n\n<li>Posoudit p\u0159\u00edsady<\/li>\n\n\n\n<li>Zlep\u0161it vlastnosti materi\u00e1lu<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Srovn\u00e1n\u00ed norem pro zkou\u0161ky odolnosti proti roztr\u017een\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pro hodnocen\u00ed vlastnost\u00ed p\u0159i trh\u00e1n\u00ed je k dispozici n\u011bkolik norem.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Standardn\u00ed<\/th><th>\u017d\u00e1dost<\/th><\/tr><\/thead><tbody><tr><td>ASTM D1922<\/td><td>Plastov\u00e9 f\u00f3lie a tenk\u00e9 plachty<\/td><\/tr><tr><td>ASTM D1004<\/td><td>Po\u010d\u00e1te\u010dn\u00ed odolnost plastov\u00e9 f\u00f3lie proti roztr\u017een\u00ed<\/td><\/tr><tr><td>ISO 6383-2<\/td><td>Odolnost plastov\u00fdch f\u00f3li\u00ed proti roztr\u017een\u00ed podle metody Elmendorf<\/td><\/tr><tr><td>TAPPI T414<\/td><td>Vnit\u0159n\u00ed odolnost pap\u00edru proti roztr\u017een\u00ed<\/td><\/tr><tr><td>ISO 1974<\/td><td>Odolnost pap\u00edru proti roztr\u017een\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdb\u011br spr\u00e1vn\u00e9 normy z\u00e1vis\u00ed na druhu materi\u00e1lu a po\u017eadavc\u00edch z\u00e1kazn\u00edka.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdb\u011br spr\u00e1vn\u00e9ho p\u0159\u00edstroje na zkou\u0161en\u00ed odolnosti proti roztr\u017een\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i v\u00fdb\u011bru <strong>Tester slz<\/strong>, laborato\u0159e by m\u011bly posoudit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Soulad s normou ASTM D1922<\/li>\n\n\n\n<li>Shoda s normou ISO 6383<\/li>\n\n\n\n<li>P\u0159esnost m\u011b\u0159en\u00ed<\/li>\n\n\n\n<li>Rozsah nosnosti kyvadla<\/li>\n\n\n\n<li>Sb\u011br digit\u00e1ln\u00edch dat<\/li>\n\n\n\n<li>Snadn\u00e1 kalibrace<\/li>\n\n\n\n<li>Bezpe\u010dnostn\u00ed prvky<\/li>\n\n\n\n<li>Software a funkce pro tvorbu report\u016f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vn\u011b nakonfigurovan\u00fd syst\u00e9m zaji\u0161\u0165uje spolehliv\u00e9 v\u00fdsledky u \u0161irok\u00e9 \u0161k\u00e1ly materi\u00e1l\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0158e\u0161en\u00ed pro zkou\u0161e\u010dku odolnosti proti roztr\u017een\u00ed Cell Instruments<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/\u672a\u6807\u9898-4.png\" alt=\"Tester slz\" class=\"wp-image-980\" srcset=\"https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/\u672a\u6807\u9898-4.png 600w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/\u672a\u6807\u9898-4-300x300.png 300w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/\u672a\u6807\u9898-4-150x150.png 150w, https:\/\/www.teartester.com\/wp-content\/uploads\/2026\/06\/\u672a\u6807\u9898-4-12x12.png 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Cell Instruments nab\u00edz\u00ed pokro\u010dil\u00e9 <strong>Tester slz<\/strong> \u0159e\u0161en\u00ed ur\u010den\u00e1 pro plastov\u00e9 f\u00f3lie, flexibiln\u00ed obalov\u00e9 materi\u00e1ly, lamin\u00e1ty a dal\u0161\u00ed tenkost\u011bnn\u00e9 v\u00fdrobky. Tyto syst\u00e9my umo\u017e\u0148uj\u00ed prov\u00e1d\u011bt zkou\u0161ky podle <strong>ASTM D1922<\/strong>, norma ISO 6383 a souvisej\u00edc\u00ed normy pro zkou\u0161ky odolnosti proti roztr\u017een\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Krom\u011b standardn\u00edch p\u0159\u00edstroj\u016f nab\u00edz\u00ed spole\u010dnost Cell Instruments tak\u00e9 up\u00ednac\u00ed p\u0159\u00edpravky na m\u00edru, \u0159e\u0161en\u00ed pro automatizovan\u00e9 testov\u00e1n\u00ed a konfigurace p\u0159izp\u016fsoben\u00e9 konkr\u00e9tn\u00edm aplikac\u00edm, kter\u00e9 spl\u0148uj\u00ed specifick\u00e9 po\u017eadavky laborato\u0159\u00ed. Tato flexibilita umo\u017e\u0148uje v\u00fdrobc\u016fm a zku\u0161ebn\u00edm laborato\u0159\u00edm z\u00edsk\u00e1vat p\u0159esn\u00e9 \u00fadaje o odolnosti proti roztr\u017een\u00ed a z\u00e1rove\u0148 podporuje c\u00edle v oblasti kontroly kvality a v\u00fdvoje produkt\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Tester slz<\/strong> je nepostradateln\u00fdm n\u00e1strojem pro hodnocen\u00ed trvanlivosti a vlastnost\u00ed pru\u017en\u00fdch materi\u00e1l\u016f. Pomoc\u00ed standardizovan\u00fdch metod, jako jsou nap\u0159\u00edklad <strong>ASTM D1922<\/strong>, mohou v\u00fdrobci p\u0159esn\u011b m\u011b\u0159it <strong>Pevnost v trh\u00e1n\u00ed podle Elmendorfa<\/strong>, posoudit <strong>odolnost plastov\u00e9 f\u00f3lie proti roztr\u017een\u00ed<\/strong>, a zlep\u0161it kvalitu v\u00fdrobk\u016f v cel\u00e9 \u0159ad\u011b r\u016fzn\u00fdch aplikac\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00edky za\u010dlen\u011bn\u00ed zkou\u0161ek odolnosti proti roztr\u017een\u00ed do b\u011b\u017en\u00fdch program\u016f kontroly kvality mohou organizace omezit poruchy materi\u00e1l\u016f, optimalizovat vlastnosti v\u00fdrobk\u016f a \u010dinit informovan\u011bj\u0161\u00ed rozhodnut\u00ed p\u0159i v\u00fdb\u011bru materi\u00e1l\u016f.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[2],"class_list":["post-979","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/standard\/979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/media?parent=979"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.teartester.com\/cs\/wp-json\/wp\/v2\/standard-category?post=979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}