{"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\/sk\/standard\/astm-d1922\/","title":{"rendered":"ASTM D1922"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Trvanlivos\u0165 materi\u00e1lu je k\u013e\u00fa\u010dov\u00fdm kvalitat\u00edvnym atrib\u00fatom pri flexibiln\u00fdch obaloch, plastov\u00fdch f\u00f3li\u00e1ch, papierov\u00fdch v\u00fdrobkoch, zdravotn\u00edckych obaloch a priemyseln\u00fdch materi\u00e1loch. A <strong>Tester na slzy<\/strong> je nevyhnutn\u00fd laborat\u00f3rny pr\u00edstroj, ktor\u00fd sl\u00fa\u017ei na hodnotenie schopnosti materi\u00e1lu odol\u00e1va\u0165 \u0161\u00edreniu existuj\u00faceho trhl\u00edn. Meran\u00edm odolnosti proti roztrhnutiu m\u00f4\u017eu v\u00fdrobcovia predpoveda\u0165 spr\u00e1vanie v\u00fdrobku pri manipul\u00e1cii, preprave, spracovan\u00ed a kone\u010dnom pou\u017eit\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pre organiz\u00e1cie, ktor\u00e9 vyr\u00e1baj\u00fa f\u00f3lie, lamin\u00e1ty, papier a materi\u00e1ly na flexibiln\u00e9 obaly, je vykon\u00e1vanie \u0161tandardizovan\u00e9ho <strong>sk\u00fa\u0161ka odolnosti proti roztrhnutiu<\/strong> prispieva k zabezpe\u010deniu konzistentnosti v\u00fdrobkov, optimaliz\u00e1cii v\u00fdberu materi\u00e1lov a zn\u00ed\u017eeniu rizika zlyhania v re\u00e1lnych podmienkach. Medzi najuzn\u00e1vanej\u0161ie normy na tento \u00fa\u010del patr\u00ed <strong>ASTM D1922<\/strong>, v ktorej je stanoven\u00e1 met\u00f3da s Elmendorfov\u00fdm kyvadlom na stanovenie odolnosti plastov\u00fdch f\u00f3li\u00ed a tenk\u00fdch pl\u00e1tov proti roztrhnutiu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pre\u010do je odolnos\u0165 proti roztrhnutiu d\u00f4le\u017eit\u00e1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mnoh\u00e9 pru\u017en\u00e9 materi\u00e1ly s\u00fa po\u010das v\u00fdroby a pou\u017e\u00edvania vystaven\u00e9 nam\u00e1haniu, ktor\u00e9 m\u00f4\u017ee sp\u00f4sobi\u0165 vznik mal\u00fdch rezov, prepichnut\u00ed alebo z\u00e1rezov. Akon\u00e1hle sa trhlina za\u010dne roz\u0161irova\u0165, k\u013e\u00fa\u010dov\u00fa \u00falohu zohr\u00e1va schopnos\u0165 materi\u00e1lu odol\u00e1va\u0165 jej \u010fal\u0161iemu \u0161\u00edreniu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">U materi\u00e1lu s nedostato\u010dnou odolnos\u0165ou proti pretrhnutiu m\u00f4\u017ee d\u00f4js\u0165 k:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Po\u0161kodenie z\u00e1sielky po\u010das prepravy<\/li>\n\n\n\n<li>\u00danik produktu<\/li>\n\n\n\n<li>Obmedzen\u00e1 ochrana trvanlivosti<\/li>\n\n\n\n<li>Probl\u00e9my s konverziou a spracovan\u00edm<\/li>\n\n\n\n<li>S\u0165a\u017enosti z\u00e1kazn\u00edkov a vr\u00e1tenie tovaru<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Naopak, materi\u00e1ly s primeranou odolnos\u0165ou proti pretrhnutiu poskytuj\u00fa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zv\u00fd\u0161en\u00e1 \u017eivotnos\u0165<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e1 odolnos\u0165 proti prepichnutiu<\/li>\n\n\n\n<li>Lep\u0161ie jazdn\u00e9 vlastnosti<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e1 spo\u013eahlivos\u0165 balenia<\/li>\n\n\n\n<li>Lep\u0161ia ochrana v\u00fdrobku<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Preto zost\u00e1va sk\u00fa\u0161anie odolnosti proti pretrhnutiu z\u00e1kladnou s\u00fa\u010das\u0165ou programov kontroly kvality a v\u00fdvoja v\u00fdrobkov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010co je to zariadenie na testovanie odolnosti proti roztrhnutiu?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Tester na slzy<\/strong> je \u0161pecializovan\u00fd pr\u00edstroj ur\u010den\u00fd na meranie sily potrebnej na \u010fal\u0161ie trhanie vopred narezan\u00e9ho vzorku na stanoven\u00fa vzdialenos\u0165.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Najbe\u017enej\u0161\u00edm preveden\u00edm je <strong>Tester slz Elmendorf<\/strong>, ktor\u00fd vyu\u017e\u00edva kyvadlov\u00fd mechanizmus na stanovenie energie absorbovanej po\u010das \u0161\u00edrenia trhliny.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00edstroj umo\u017e\u0148uje kvantitat\u00edvne meranie zn\u00e1me ako <strong>Pevnos\u0165 v trh\u00e1n\u00ed pod\u013ea Elmendorfa<\/strong>, \u010do odr\u00e1\u017ea odolnos\u0165 materi\u00e1lu proti roztrhnutiu po tom, \u010do u\u017e do\u0161lo k po\u010diato\u010dn\u00e9mu roztrhnutiu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vysvetlenie normy ASTM D1922<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u010co je norma ASTM D1922?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D1922<\/strong> je \u0161tandardn\u00e1 sk\u00fa\u0161obn\u00e1 met\u00f3da na stanovenie odolnosti plastov\u00fdch f\u00f3li\u00ed a tenk\u00fdch pl\u00e1tov proti \u0161\u00edreniu trhl\u00edn pomocou kyvadlov\u00e9ho pr\u00edstroja typu Elmendorf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e1to norma sa vo ve\u013ekej miere pou\u017e\u00edva v celom texte:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00fdroba flexibiln\u00fdch obalov<\/li>\n\n\n\n<li>V\u00fdroba plastov\u00fdch f\u00f3li\u00ed<\/li>\n\n\n\n<li>V\u00fdvoj obalov pre zdravotn\u00edcky priemysel<\/li>\n\n\n\n<li>Sk\u00fa\u0161anie priemyseln\u00fdch materi\u00e1lov<\/li>\n\n\n\n<li>V\u00fdskumn\u00e9 laborat\u00f3ri\u00e1<\/li>\n\n\n\n<li>Oddelenia zabezpe\u010denia kvality<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u00da\u010del sk\u00fa\u0161ok pod\u013ea normy ASTM D1922<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cie\u013eom normy ASTM D1922 je zmera\u0165 energiu potrebn\u00fa na roz\u0161\u00edrenie existuj\u00faceho trhliny na \u0161pecifikovan\u00fa d\u013a\u017eku materi\u00e1lu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tieto \u00fadaje pom\u00e1haj\u00fa v\u00fdrobcom:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Porovnanie tried materi\u00e1lov<\/li>\n\n\n\n<li>Vyhodnoti\u0165 \u0161trukt\u00fary filmov<\/li>\n\n\n\n<li>Sledova\u0165 konzistentnos\u0165 v\u00fdroby<\/li>\n\n\n\n<li>Overi\u0165 \u0161pecifik\u00e1cie z\u00e1kazn\u00edka<\/li>\n\n\n\n<li>Podporova\u0165 projekty zameran\u00e9 na v\u00fdvoj materi\u00e1lov<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Ako funguje test pevnosti v trhaniu pod\u013ea Elmendorfa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>sk\u00fa\u0161ka odolnosti proti roztrhnutiu<\/strong> Test vykonan\u00fd pod\u013ea normy ASTM D1922 vyu\u017e\u00edva syst\u00e9m zalo\u017een\u00fd na kyvadle, ktor\u00fd meria pr\u00e1cu vykonan\u00fa po\u010das \u0161\u00edrenia trhl\u00edn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Princ\u00edp testovania<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Postup pozost\u00e1va z t\u00fdchto z\u00e1kladn\u00fdch krokov:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Vzorka sa priprav\u00ed tak, \u017ee sa na nej vytvor\u00ed definovan\u00e1 \u0161trbina alebo z\u00e1rez.<\/li>\n\n\n\n<li>Vzorka sa upne do pr\u00edstroja.<\/li>\n\n\n\n<li>Kyvadlo sa uvo\u013en\u00ed z ur\u010ditej v\u00fd\u0161ky.<\/li>\n\n\n\n<li>Kyvadlo \u0161\u00edri trhlinu cez vzorku.<\/li>\n\n\n\n<li>Mer\u00e1 sa energia absorbovan\u00e1 pri trhan\u00ed.<\/li>\n\n\n\n<li>Tento pr\u00edstroj meria odolnos\u0165 proti pretrhnutiu.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u010c\u00edm v\u00e4\u010d\u0161ia je potrebn\u00e1 energia, t\u00fdm vy\u0161\u0161ia je odolnos\u0165 materi\u00e1lu proti roztrhnutiu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pre\u010do je Elmendorfova met\u00f3da \u00fa\u010dinn\u00e1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Elmendorfova met\u00f3da simuluje podmienky r\u00fdchleho \u0161\u00edrenia trhl\u00edn, ktor\u00e9 sa \u010dasto vyskytuj\u00fa v praxi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u010faka tomu je to obzvl\u00e1\u0161\u0165 u\u017eito\u010dn\u00e9 pri hodnoten\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Odolnos\u0165 obalu<\/li>\n\n\n\n<li>V\u00fdkonnos\u0165 pri manipul\u00e1cii s filmom<\/li>\n\n\n\n<li>Pevnos\u0165 materi\u00e1lu<\/li>\n\n\n\n<li>Spo\u013eahlivos\u0165 v\u00fdrobku<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Odolnos\u0165 plastovej f\u00f3lie proti pretrhnutiu<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdznam odolnosti proti roztrhnutiu u plastov\u00fdch f\u00f3li\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hodnotenie <strong>odolnos\u0165 plastovej f\u00f3lie proti pretrhnutiu<\/strong> je nevyhnutn\u00e9, preto\u017ee filmy s\u00fa \u010dasto vystaven\u00e9 nam\u00e1haniu po\u010das:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Odv\u00edjanie role<\/li>\n\n\n\n<li>Tla\u010d<\/li>\n\n\n\n<li>Laminovanie<\/li>\n\n\n\n<li>Rezanie na p\u00e1sy<\/li>\n\n\n\n<li>Balenie<\/li>\n\n\n\n<li>Doprava<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aj mal\u00fd z\u00e1rez alebo prepichnutie sa m\u00f4\u017ee premeni\u0165 na v\u00e4\u010d\u0161\u00ed roztrh, ak materi\u00e1l nem\u00e1 dostato\u010dn\u00fa odolnos\u0165 proti roztrhnutiu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Testovan\u00e9 be\u017en\u00e9 filmov\u00e9 materi\u00e1ly<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Tester na slzy<\/strong> sa \u010dasto pou\u017e\u00edva na hodnotenie:<\/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>HDPE f\u00f3lie<\/li>\n\n\n\n<li>BOPP f\u00f3lie<\/li>\n\n\n\n<li>Filmy 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>Viacvrstvov\u00e9 bari\u00e9rov\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>Stre\u010dov\u00e9 f\u00f3lie<\/li>\n\n\n\n<li>Smr\u0161\u0165ovacie f\u00f3lie<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tieto v\u00fdsledky pom\u00e1haj\u00fa v\u00fdrobcom optimalizova\u0165 zlo\u017eenie a \u0161trukt\u00faru f\u00f3li\u00ed pre konkr\u00e9tne pou\u017eitia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pr\u00edstroj na testovanie odolnosti proti roztrhnutiu Elmendorf v r\u00e1mci kontroly kvality<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Str\u00e1nka <strong>Tester slz Elmendorf<\/strong> v\u010faka svojej jednoduchosti, opakovate\u013enosti a v\u0161eobecn\u00e9mu uznaniu v priemysle zost\u00e1va jedn\u00fdm z naj\u010dastej\u0161ie pou\u017e\u00edvan\u00fdch pr\u00edstrojov na sk\u00fa\u0161anie odolnosti proti pretrhnutiu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdhody Elmendorfovej met\u00f3dy<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Postup r\u00fdchleho testovania<\/li>\n\n\n\n<li>Vysok\u00e1 opakovate\u013enos\u0165<\/li>\n\n\n\n<li>\u0160tandardizovan\u00e1 metodika<\/li>\n\n\n\n<li>Vhodn\u00e9 pre tenk\u00e9 materi\u00e1ly<\/li>\n\n\n\n<li>Medzin\u00e1rodne \u0161iroko uzn\u00e1van\u00fd<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pravideln\u00e9 testovanie umo\u017e\u0148uje pracovn\u00edkom kontroly kvality odhali\u0165 odch\u00fdlky v procese e\u0161te predt\u00fdm, ako sa v\u00fdrobky dostan\u00fa k z\u00e1kazn\u00edkom.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Typick\u00fd postup pri sk\u00fa\u0161ke odolnosti proti roztrhnutiu<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pr\u00edprava vzoriek<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vna pr\u00edprava vzorky je k\u013e\u00fa\u010dov\u00e1 pre z\u00edskanie spo\u013eahliv\u00fdch v\u00fdsledkov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Medzi osved\u010den\u00e9 postupy patria:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pr\u00edprava vzoriek pred sk\u00fa\u0161an\u00edm<\/li>\n\n\n\n<li>Dodr\u017eiavanie stanoven\u00fdch rozmerov<\/li>\n\n\n\n<li>Pou\u017e\u00edvanie ostr\u00fdch rezac\u00edch n\u00e1strojov<\/li>\n\n\n\n<li>Vyh\u00fdbanie sa po\u0161koden\u00fdm oblastiam<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Spustenie testu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160tandardn\u00e1 testovacia sekvencia zah\u0155\u0148a:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Pripravte sk\u00fa\u0161obn\u00e9 vzorky pod\u013ea normy ASTM D1922.<\/li>\n\n\n\n<li>Vytvorte po\u017eadovan\u00fa \u0161trbinu.<\/li>\n\n\n\n<li>Vzorok pevne upevnite.<\/li>\n\n\n\n<li>Vyberte vhodn\u00fa nosnos\u0165 kyvadla.<\/li>\n\n\n\n<li>Uvo\u013enite kyvadlo.<\/li>\n\n\n\n<li>Zaznamenajte hodnoty odolnosti proti pretrhnutiu.<\/li>\n\n\n\n<li>Tento postup zopakujte pre viacer\u00e9 vzorky.<\/li>\n\n\n\n<li>Vypo\u010d\u00edtajte priemern\u00e9 v\u00fdsledky.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Modern\u00e9 digit\u00e1lne syst\u00e9my \u010dasto automatizuj\u00fa zber v\u00fdsledkov a vykazovanie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako porozumie\u0165 v\u00fdsledkom testov<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u010co je pevnos\u0165 v trhaniu pod\u013ea Elmendorfa?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pevnos\u0165 v trh\u00e1n\u00ed pod\u013ea Elmendorfa<\/strong> predstavuje energiu potrebn\u00fa na to, aby sa materi\u00e1l na\u010falej trhal po tom, \u010do sa trhlina u\u017e za\u010dala.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vy\u0161\u0161ie hodnoty zvy\u010dajne nazna\u010duj\u00fa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vy\u0161\u0161ia odolnos\u0165 proti roztrhnutiu<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e1 \u017eivotnos\u0165<\/li>\n\n\n\n<li>Lep\u0161ie jazdn\u00e9 vlastnosti<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e1 odolnos\u0165 proti prepichnutiu<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ni\u017e\u0161ie hodnoty m\u00f4\u017eu nazna\u010dova\u0165:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Spr\u00e1vanie sa krehk\u00e9ho materi\u00e1lu<\/li>\n\n\n\n<li>\u0160truktur\u00e1lne nedostatky<\/li>\n\n\n\n<li>Zn\u00ed\u017een\u00e1 odolnos\u0165 vo\u010di po\u0161kodeniu<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pr\u00edklad interpret\u00e1cie<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>V\u00fdsledok sk\u00fa\u0161ky odolnosti proti pretrhnutiu<\/th><th>V\u0161eobecn\u00fd v\u00fdklad<\/th><\/tr><\/thead><tbody><tr><td>N\u00edzka<\/td><td>\u013dahk\u00e9 rozmno\u017eovanie odtrhnut\u00edm<\/td><\/tr><tr><td>Stredn\u00e1<\/td><td>Vyv\u00e1\u017een\u00fd v\u00fdkon<\/td><\/tr><tr><td>Vysok\u00e1<\/td><td>Vysok\u00e1 odolnos\u0165 proti pretrhnutiu<\/td><\/tr><tr><td>Ve\u013emi vysok\u00e1<\/td><td>Vynikaj\u00faca odolnos\u0165<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Konkr\u00e9tne krit\u00e9ri\u00e1 prijate\u013enosti z\u00e1visia od typu materi\u00e1lu a zam\u00fd\u0161\u013ean\u00e9ho pou\u017eitia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vyu\u017eitie v r\u00f4znych odvetviach<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Flexibiln\u00e9 obaly<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Testovanie odolnosti proti roztrhnutiu sa \u0161iroko vyu\u017e\u00edva na:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>F\u00f3lie na balenie potrav\u00edn<\/li>\n\n\n\n<li>Priemyseln\u00e9 baliace f\u00f3lie<\/li>\n\n\n\n<li>Maloobchodn\u00e9 balenie<\/li>\n\n\n\n<li>Termoshrnute\u013en\u00e9 obaly<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Obaly pre zdravotn\u00edctvo a farmaceutick\u00fd priemysel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdrobcovia hodnotia vlastnosti odolnosti proti pretrhnutiu s cie\u013eom dosiahnu\u0165 rovnov\u00e1hu medzi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Trvanlivos\u0165 balenia<\/li>\n\n\n\n<li>Jednoduchos\u0165 otv\u00e1rania<\/li>\n\n\n\n<li>Ochrana v\u00fdrobku<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Papier a lepenka<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hoci sa norma ASTM D1922 zameriava na plastov\u00e9 f\u00f3lie, podobn\u00e9 met\u00f3dy sk\u00fa\u0161ania odolnosti proti pretrhnutiu sa pou\u017e\u00edvaj\u00fa aj pre:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Baliaci papier<\/li>\n\n\n\n<li>\u0160t\u00edtky<\/li>\n\n\n\n<li>Kart\u00f3ny<\/li>\n\n\n\n<li>\u0160peci\u00e1lne papiere<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdskum a v\u00fdvoj<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdskumn\u00e9 a v\u00fdvojov\u00e9 laborat\u00f3ri\u00e1 vyu\u017e\u00edvaj\u00fa sk\u00fa\u0161ky na trhlinotvorenie na:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Porovnanie zlo\u017een\u00ed \u017eiv\u00edc<\/li>\n\n\n\n<li>Optimaliz\u00e1cia viacvrstvov\u00fdch \u0161trukt\u00far<\/li>\n\n\n\n<li>Pos\u00fadi\u0165 pr\u00edsady<\/li>\n\n\n\n<li>Zlep\u0161i\u0165 vlastnosti materi\u00e1lu<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Porovnanie noriem pre sk\u00fa\u0161ky odolnosti proti roztrhnutiu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na hodnotenie vlastnost\u00ed pri trhan\u00ed je k dispoz\u00edcii nieko\u013eko noriem.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0160tandard<\/th><th>\u017diados\u0165<\/th><\/tr><\/thead><tbody><tr><td>ASTM D1922<\/td><td>Plastov\u00e1 f\u00f3lia a tenk\u00e9 plachty<\/td><\/tr><tr><td>ASTM D1004<\/td><td>Po\u010diato\u010dn\u00e1 odolnos\u0165 plastovej f\u00f3lie proti pretrhnutiu<\/td><\/tr><tr><td>ISO 6383-2<\/td><td>Odolnos\u0165 plastov\u00fdch f\u00f3li\u00ed vo\u010di roztrhnutiu pod\u013ea met\u00f3dy Elmendorf<\/td><\/tr><tr><td>TAPPI T414<\/td><td>Odolnos\u0165 papiera proti vn\u00fatorn\u00e9mu roztrhnutiu<\/td><\/tr><tr><td>ISO 1974<\/td><td>Odolnos\u0165 papiera proti roztrhnutiu<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdber spr\u00e1vnej normy z\u00e1vis\u00ed od druhu materi\u00e1lu a po\u017eiadaviek z\u00e1kazn\u00edka.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdber spr\u00e1vneho pr\u00edstroja na testovanie odolnosti proti roztrhnutiu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pri v\u00fdbere <strong>Tester na slzy<\/strong>, laborat\u00f3ri\u00e1 by mali pos\u00fadi\u0165:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u00falad s normou ASTM D1922<\/li>\n\n\n\n<li>Kompatibilita s normou ISO 6383<\/li>\n\n\n\n<li>Presnos\u0165 merania<\/li>\n\n\n\n<li>Rozsah nosnosti kyvadla<\/li>\n\n\n\n<li>Z\u00edskavanie digit\u00e1lnych \u00fadajov<\/li>\n\n\n\n<li>Jednoduch\u00e1 kalibr\u00e1cia<\/li>\n\n\n\n<li>Bezpe\u010dnostn\u00e9 prvky<\/li>\n\n\n\n<li>Softv\u00e9r a funkcie tvorby spr\u00e1v<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vne nakonfigurovan\u00fd syst\u00e9m zaru\u010duje spo\u013eahliv\u00e9 v\u00fdsledky pri \u0161irokej \u0161k\u00e1le materi\u00e1lov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rie\u0161enia pre zariadenia na testovanie odolnosti proti roztrhnutiu 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 na slzy\" 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 pon\u00faka pokro\u010dil\u00e9 <strong>Tester na slzy<\/strong> rie\u0161enia ur\u010den\u00e9 pre plastov\u00e9 f\u00f3lie, flexibiln\u00e9 obalov\u00e9 materi\u00e1ly, lamin\u00e1ty a in\u00e9 v\u00fdrobky z tenk\u00fdch f\u00f3li\u00ed. Tieto syst\u00e9my umo\u017e\u0148uj\u00fa vykon\u00e1va\u0165 sk\u00fa\u0161ky pod\u013ea <strong>ASTM D1922<\/strong>, ISO 6383 a s\u00favisiace normy pre sk\u00fa\u0161ky odolnosti proti roztrhnutiu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Okrem \u0161tandardn\u00fdch pr\u00edstrojov pon\u00faka spolo\u010dnos\u0165 Cell Instruments aj prisp\u00f4soben\u00e9 up\u00ednacie zariadenia, rie\u0161enia pre automatizovan\u00e9 testovanie a konfigur\u00e1cie \u0161pecifick\u00e9 pre konkr\u00e9tne aplik\u00e1cie, ktor\u00e9 sp\u013a\u0148aj\u00fa jedine\u010dn\u00e9 po\u017eiadavky laborat\u00f3ri\u00ed. Tak\u00e1to flexibilita umo\u017e\u0148uje v\u00fdrobcom a testovac\u00edm laborat\u00f3ri\u00e1m z\u00edskava\u0165 presn\u00e9 \u00fadaje o odolnosti proti roztrhnutiu a z\u00e1rove\u0148 podporova\u0165 ciele v oblasti kontroly kvality a v\u00fdvoja produktov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1ver<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Tester na slzy<\/strong> je nenahradite\u013en\u00fdm n\u00e1strojom na hodnotenie trvanlivosti a vlastnost\u00ed pru\u017en\u00fdch materi\u00e1lov. Prostredn\u00edctvom \u0161tandardizovan\u00fdch met\u00f3d, ako s\u00fa <strong>ASTM D1922<\/strong>, v\u00fdrobcovia m\u00f4\u017eu presne mera\u0165 <strong>Pevnos\u0165 v trh\u00e1n\u00ed pod\u013ea Elmendorfa<\/strong>, pos\u00fadi\u0165 <strong>odolnos\u0165 plastovej f\u00f3lie proti pretrhnutiu<\/strong>, a zlep\u0161i\u0165 kvalitu v\u00fdrobkov v \u0161irokej \u0161k\u00e1le oblast\u00ed pou\u017eitia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zahrnut\u00edm testovania odolnosti proti pretrhnutiu do be\u017en\u00fdch programov kontroly kvality m\u00f4\u017eu organiz\u00e1cie zn\u00ed\u017ei\u0165 po\u010det zlyhan\u00ed materi\u00e1lov, optimalizova\u0165 v\u00fdkonnos\u0165 v\u00fdrobkov a prij\u00edma\u0165 informovanej\u0161ie rozhodnutia pri v\u00fdbere materi\u00e1lov.<\/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\/sk\/wp-json\/wp\/v2\/standard\/979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teartester.com\/sk\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.teartester.com\/sk\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.teartester.com\/sk\/wp-json\/wp\/v2\/media?parent=979"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.teartester.com\/sk\/wp-json\/wp\/v2\/standard-category?post=979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}