{"id":114,"date":"2025-12-24T08:39:31","date_gmt":"2025-12-24T08:39:31","guid":{"rendered":"https:\/\/www.impacttesting.net\/?p=114"},"modified":"2025-12-24T08:39:32","modified_gmt":"2025-12-24T08:39:32","slug":"impact-resistance-of-plastic-film-methods-and-test-applications","status":"publish","type":"post","link":"https:\/\/www.impacttesting.net\/cs\/impact-resistance-of-plastic-film-methods-and-test-applications\/","title":{"rendered":"Odolnost plastov\u00e9 f\u00f3lie proti n\u00e1razu: Zku\u0161ebn\u00ed metody a aplikace"},"content":{"rendered":"<h2 class=\"wp-block-heading\" style=\"font-size:25px\">Pochopen\u00ed odolnosti plastov\u00e9 f\u00f3lie proti n\u00e1razu<\/h2>\n\n\n\n<p><em>Odolnost plastov\u00e9 f\u00f3lie proti n\u00e1razu<\/em> je kritick\u00e1 vlastnost, kter\u00e1 ur\u010duje, jak dob\u0159e plastov\u00e9 f\u00f3lie odol\u00e1vaj\u00ed n\u00e1hl\u00fdm mechanick\u00fdm ot\u0159es\u016fm nebo n\u00e1raz\u016fm p\u0159i manipulaci, balen\u00ed nebo p\u0159eprav\u011b. Pro pr\u016fmyslov\u00e1 odv\u011btv\u00ed, jako jsou nap\u0159. <strong>potraviny, l\u00e9\u010diva, elektronika<\/strong>a <strong>denn\u00ed chemik\u00e1lie<\/strong>, je zachov\u00e1n\u00ed neporu\u0161enosti obalu z\u00e1sadn\u00ed. Hodnocen\u00ed t\u00e9to odolnosti pom\u00e1h\u00e1 v\u00fdrobc\u016fm zajistit, aby jejich v\u00fdrobky z\u016fstaly chr\u00e1n\u011bny p\u0159ed po\u0161kozen\u00edm, \u00fanikem nebo kontaminac\u00ed.<\/p>\n\n\n\n<p>Mezi nejuzn\u00e1van\u011bj\u0161\u00ed zku\u0161ebn\u00ed normy pro hodnocen\u00ed t\u00e9to vlastnosti pat\u0159\u00ed. <a href=\"https:\/\/www.astm.org\/d1709-22.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong>ASTM D1709<\/strong><\/a> a <a href=\"https:\/\/www.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong>ASTM D3420<\/strong><\/a>. Tyto normy specifikuj\u00ed metody hodnocen\u00ed, jakou energii m\u016f\u017ee f\u00f3lie absorbovat, ne\u017e dojde k jej\u00edmu protr\u017een\u00ed nebo prora\u017een\u00ed, a nab\u00edzej\u00ed tak kvantifikovateln\u00fd pohled na jej\u00ed odolnost a v\u00fdkonnost.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\">Spolehliv\u00e9 testov\u00e1n\u00ed pomoc\u00ed p\u0159\u00edstroj\u016f pro testov\u00e1n\u00ed n\u00e1razu f\u00f3lie<\/h2>\n\n\n\n<p>A <em><a href=\"https:\/\/www.impacttesting.net\/cs\/\">tester n\u00e1razu f\u00f3lie<\/a><\/em> je specializovan\u00e9 za\u0159\u00edzen\u00ed pou\u017e\u00edvan\u00e9 k prov\u00e1d\u011bn\u00ed zkou\u0161ek odolnosti proti n\u00e1razu. V z\u00e1vislosti na sledovan\u00e9 norm\u011b se nej\u010dast\u011bji pou\u017e\u00edvaj\u00ed tyto dv\u011b metody:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Metoda voln\u011b padaj\u00edc\u00edch \u0161ipek (<a href=\"https:\/\/www.impacttesting.net\/cs\/astm-d1709\/\">ASTM D1709<\/a>):<\/strong>&nbsp;P\u0159i t\u00e9to zkou\u0161ce se na vzorek plastov\u00e9 f\u00f3lie upnut\u00e9 na podp\u016frn\u00e9m krou\u017eku spust\u00ed z pevn\u00e9 v\u00fd\u0161ky zat\u00ed\u017een\u00e1 \u0161ipka. Hmotnost \u0161ipky se nastav\u00ed tak, aby se ur\u010dila hmotnost pot\u0159ebn\u00e1 k vyvol\u00e1n\u00ed poruchy u 50% zkou\u0161en\u00fdch vzork\u016f. Tato metoda je ide\u00e1ln\u00ed pro&nbsp;<strong>flexibiln\u00ed obalov\u00e9 f\u00f3lie, potravin\u00e1\u0159sk\u00e9 f\u00f3lie a laminovan\u00e9 materi\u00e1ly.<\/strong>.<\/li>\n\n\n\n<li><strong>Kyvadlov\u00e1 n\u00e1razov\u00e1 metoda (<a href=\"https:\/\/www.impacttesting.net\/cs\/astm-d3420\/\">ASTM D3420<\/a>):<\/strong> P\u0159i t\u00e9to metod\u011b se kyvadlo k\u00fdve a dopad\u00e1 na svisle dr\u017een\u00fd vzorek filmu. Absorbovan\u00e1 energie se m\u011b\u0159\u00ed v jednotk\u00e1ch energie (joulech nebo ft-lbf). Je vhodn\u00e1 pro hodnocen\u00ed <strong>f\u00f3lie pou\u017e\u00edvan\u00e9 v l\u00e9ka\u0159sk\u00fdch obalech, farmaceutick\u00fdch blistrech.<\/strong>a <strong>obaly na elektronick\u00e9 sou\u010d\u00e1stky<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Ob\u011b metody maj\u00ed z\u00e1sadn\u00ed v\u00fdznam pro kontrolu kvality a <strong>v\u00fdvoj nov\u00fdch produkt\u016f<\/strong>, kter\u00e9 pom\u00e1haj\u00ed optimalizovat obalov\u00e9 f\u00f3lie pro skute\u010dn\u00e9 po\u017eadavky.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\">B\u011b\u017en\u00e9 aplika\u010dn\u00ed materi\u00e1ly pro zkou\u0161en\u00ed n\u00e1razu f\u00f3lie<\/h2>\n\n\n\n<p>Na str\u00e1nk\u00e1ch <em>Odolnost plastov\u00e9 f\u00f3lie proti n\u00e1razu<\/em> se \u0161iroce pou\u017e\u00edv\u00e1 k hodnocen\u00ed odolnosti r\u016fzn\u00fdch materi\u00e1l\u016f na b\u00e1zi plast\u016f, v\u010detn\u011b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Polyethylen (PE) a polypropylen (PP)<\/strong> filmy<\/li>\n\n\n\n<li><strong>V\u00edcevrstv\u00e9 laminovan\u00e9 f\u00f3lie<\/strong> pro flexibiln\u00ed obaly<\/li>\n\n\n\n<li><strong>PVC a PET f\u00f3lie<\/strong> pou\u017e\u00edvan\u00e9 ve farmaceutick\u00e9m pr\u016fmyslu<\/li>\n\n\n\n<li><strong>Biologicky rozlo\u017eiteln\u00e9 f\u00f3lie<\/strong> pro udr\u017eiteln\u00e9 obaly<\/li>\n\n\n\n<li><strong>Bari\u00e9rov\u00e9 f\u00f3lie<\/strong> v obalech na potraviny a elektroniku<\/li>\n<\/ul>\n\n\n\n<p>Zaji\u0161t\u011bn\u00ed dostate\u010dn\u00e9 r\u00e1zov\u00e9 pevnosti t\u011bchto materi\u00e1l\u016f podporuje zv\u00fd\u0161enou odolnost proti n\u00e1razu. <strong>doba pou\u017eitelnosti<\/strong>, <strong>p\u0159epravn\u00ed stabilita<\/strong>a <strong>bezpe\u010dnost spot\u0159ebitel\u016f<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\">Pro\u010d si vybrat Cell Instruments pro n\u00e1razov\u00e9 zkou\u0161ky f\u00f3li\u00ed?<\/h2>\n\n\n\n<p>Cell Instruments poskytuje <strong>precizn\u011b zkonstruovan\u00fd tester n\u00e1razu f\u00f3lie<\/strong> kter\u00e9 pln\u011b vyhovuj\u00ed norm\u00e1m ASTM D1709 a ASTM D3420. D\u00edky automatick\u00e9mu ovl\u00e1d\u00e1n\u00ed, intuitivn\u00edmu rozhran\u00ed a vysok\u00e9 reprodukovatelnosti slou\u017e\u00ed na\u0161e p\u0159\u00edstroje v \u0161irok\u00e9m spektru pr\u016fmyslov\u00fdch odv\u011btv\u00ed, v\u010detn\u011b nap\u0159. <strong>obaly na potraviny, zdravotnick\u00e9 prost\u0159edky, lepidla<\/strong>a <strong>elektronick\u00e9 sou\u010d\u00e1stky<\/strong>.<\/p>\n\n\n\n<p>Specializujeme se tak\u00e9 na <strong>testovac\u00ed \u0159e\u0161en\u00ed na m\u00edru<\/strong> a <strong>modernizace automatizace<\/strong>, co\u017e umo\u017e\u0148uje podporu na m\u00edru pro slo\u017eit\u00e9 nebo jedine\u010dn\u00e9 pot\u0159eby testov\u00e1n\u00ed materi\u00e1l\u016f. A\u0165 u\u017e jste <strong>v\u00fdrobce obal\u016f<\/strong>, <strong>inspektor kvality<\/strong>, nebo <strong>v\u00fdvoj\u00e1\u0159 produktu<\/strong>, Cell Instruments nab\u00edz\u00ed n\u00e1stroje a odborn\u00e9 znalosti, kter\u00e9 v\u00e1m pomohou roz\u0161\u00ed\u0159it mo\u017enosti testov\u00e1n\u00ed.<\/p>\n\n\n\n<p>Testov\u00e1n\u00ed <em>Odolnost plastov\u00e9 f\u00f3lie proti n\u00e1razu<\/em> je z\u00e1sadn\u00ed pro zaji\u0161t\u011bn\u00ed trvanlivosti obal\u016f a bezpe\u010dnosti v\u00fdrobk\u016f v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch. D\u00edky pokro\u010dil\u00fdm <em>tester n\u00e1razu f\u00f3lie<\/em> syst\u00e9my a hlubok\u00e9 odborn\u00e9 znalosti je Cell Instruments spolehliv\u00fdm partnerem v oblasti testov\u00e1n\u00ed vysoce kvalitn\u00edch materi\u00e1l\u016f. Obra\u0165te se na n\u00e1s a zjist\u011bte, jak mohou na\u0161e \u0159e\u0161en\u00ed pos\u00edlit v\u00fdkon va\u0161ich obal\u016f a v\u00fdrobk\u016f.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Odolnost plastov\u00e9 f\u00f3lie proti n\u00e1razu Odolnost plastov\u00e9 f\u00f3lie proti n\u00e1razu je kritick\u00e1 vlastnost, kter\u00e1 ur\u010duje, jak dob\u0159e plastov\u00e9 f\u00f3lie odol\u00e1vaj\u00ed n\u00e1hl\u00fdm mechanick\u00fdm ot\u0159es\u016fm nebo n\u00e1raz\u016fm p\u0159i manipulaci, balen\u00ed nebo p\u0159eprav\u011b. Pro pr\u016fmyslov\u00e1 odv\u011btv\u00ed, jako je potravin\u00e1\u0159stv\u00ed, farmaceutick\u00fd pr\u016fmysl, elektronika a ka\u017edodenn\u00ed chemick\u00fd pr\u016fmysl, je zachov\u00e1n\u00ed celistvosti obal\u016f \u017eivotn\u011b d\u016fle\u017eit\u00e9. Hodnocen\u00ed t\u00e9to odolnosti pom\u00e1h\u00e1 [...]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-114","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/posts\/114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/comments?post=114"}],"version-history":[{"count":1,"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/posts\/114\/revisions"}],"predecessor-version":[{"id":117,"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/posts\/114\/revisions\/117"}],"wp:attachment":[{"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/media?parent=114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/categories?post=114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.impacttesting.net\/cs\/wp-json\/wp\/v2\/tags?post=114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}