{"id":4557,"date":"2024-08-28T15:57:34","date_gmt":"2024-08-28T07:57:34","guid":{"rendered":"https:\/\/www.qualitester.com\/?p=4557"},"modified":"2024-08-28T17:24:29","modified_gmt":"2024-08-28T09:24:29","slug":"tear-strength-of-paper-astm-d1922-and-iso-6383","status":"publish","type":"post","link":"https:\/\/www.qualitester.com\/cs\/tear-strength-of-paper-astm-d1922-and-iso-6383\/","title":{"rendered":"Pro\u010d z\u00e1le\u017e\u00ed na pevnosti pap\u00edru v roztr\u017een\u00ed: Zkoum\u00e1n\u00ed norem ASTM D1922 a ISO 6383 pro p\u0159esn\u00e9 m\u011b\u0159en\u00ed."},"content":{"rendered":"<h2><strong>\u00davod<\/strong><\/h2>\n<p>Pevnost pap\u00edru v trh\u00e1n\u00ed je kl\u00ed\u010dov\u00e1 mechanick\u00e1 vlastnost, kter\u00e1 ur\u010duje schopnost pap\u00edru odol\u00e1vat sil\u00e1m zp\u016fsobuj\u00edc\u00edm trh\u00e1n\u00ed. Tato vlastnost je z\u00e1sadn\u00ed v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch, kde je rozhoduj\u00edc\u00ed trvanlivost a v\u00fdkonnost pap\u00edru p\u0159i nam\u00e1h\u00e1n\u00ed. Porozum\u011bn\u00ed a p\u0159esn\u00e9 m\u011b\u0159en\u00ed pevnosti v trh\u00e1n\u00ed zaji\u0161\u0165uje, \u017ee pap\u00edr dok\u00e1\u017ee odolat n\u00e1rok\u016fm dan\u00fdm jeho zam\u00fd\u0161len\u00fdm pou\u017eit\u00edm, a\u0165 u\u017e jde o balen\u00ed, tisk nebo jin\u00e9 aplikace.<\/p>\n<h2><strong>Co je to pevnost pap\u00edru v tahu?<\/strong><\/h2>\n<p>Pevnost v trh\u00e1n\u00ed, \u010dasto ozna\u010dovan\u00e1 jako odolnost proti roztr\u017een\u00ed, je veli\u010dina ud\u00e1vaj\u00edc\u00ed s\u00edlu pot\u0159ebnou k roz\u0161\u00ed\u0159en\u00ed trhliny, kter\u00e1 ji\u017e v materi\u00e1lu vznikla. U pap\u00edru se jedn\u00e1 o z\u00e1sadn\u00ed kvalitativn\u00ed parametr, zejm\u00e9na v oblasti obal\u016f, kde mus\u00ed pap\u00edr p\u0159i manipulaci a p\u0159eprav\u011b odol\u00e1vat zna\u010dn\u00e9mu nam\u00e1h\u00e1n\u00ed.<\/p>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/produkt-2\/sld-01-elimendorf-tear-resistance-testing-machine\/\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-4578 aligncenter\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2024\/08\/tear-strength-of-paper-elmendorf-tearing-tester-ASTM-D689-ISO-1974.jpg\" alt=\"pevnost pap\u00edru v trh\u00e1n\u00ed \u2013 zkou\u0161ka na trhac\u00ed pevnost podle Elmendorfa, norma ASTM D689, ISO 1974\" width=\"600\" height=\"600\" srcset=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2024\/08\/tear-strength-of-paper-elmendorf-tearing-tester-ASTM-D689-ISO-1974.jpg 600w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2024\/08\/tear-strength-of-paper-elmendorf-tearing-tester-ASTM-D689-ISO-1974-300x300.jpg 300w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2024\/08\/tear-strength-of-paper-elmendorf-tearing-tester-ASTM-D689-ISO-1974-150x150.jpg 150w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2024\/08\/tear-strength-of-paper-elmendorf-tearing-tester-ASTM-D689-ISO-1974-100x100.jpg 100w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<h2><strong>Normy pro m\u011b\u0159en\u00ed pevnosti v trh\u00e1n\u00ed<\/strong><\/h2>\n<p>Aby byla zaji\u0161t\u011bna konzistentnost a spolehlivost m\u011b\u0159en\u00ed, \u0159\u00edd\u00ed se zkou\u0161ky pevnosti v trh\u00e1n\u00ed n\u011bkolika mezin\u00e1rodn\u00edmi normami. Mezi nejv\u00fdznamn\u011bj\u0161\u00ed z nich pat\u0159\u00ed:<\/p>\n<ul>\n<li><strong>ASTM D1424<\/strong>: Standardn\u00ed zku\u0161ebn\u00ed metoda pro stanoven\u00ed pevnosti textili\u00ed v trh\u00e1n\u00ed pomoc\u00ed p\u0159\u00edstroje s padaj\u00edc\u00edm kyvadlem (typu Elmendorf). Tato metoda se \u0161iroce pou\u017e\u00edv\u00e1 ke zkou\u0161en\u00ed pevnosti pap\u00edru v trh\u00e1n\u00ed.<\/li>\n<li><strong>ISO 6383<\/strong>: Ur\u010duje metodu pro stanoven\u00ed odolnosti plastov\u00fdch f\u00f3li\u00ed a desek proti roztr\u017een\u00ed. A\u010dkoli se tato metoda vztahuje na plasty, n\u011bkdy se na ni odkazuje i p\u0159i zkou\u0161k\u00e1ch pap\u00edru.<\/li>\n<li><strong>ASTM D1922<\/strong>: Tato metoda je ur\u010dena k m\u011b\u0159en\u00ed pevnosti v trh\u00e1n\u00ed plastov\u00fdch f\u00f3li\u00ed, lze ji v\u0161ak pou\u017e\u00edt i p\u0159i n\u011bkter\u00fdch zkou\u0161k\u00e1ch pap\u00edru.<\/li>\n<li><strong>ASTM D689<\/strong>: Tato standardn\u00ed zku\u0161ebn\u00ed metoda slou\u017e\u00ed k m\u011b\u0159en\u00ed vnit\u0159n\u00ed odolnosti pap\u00edru proti roztr\u017een\u00ed pomoc\u00ed Elmendorfova trhac\u00edho p\u0159\u00edstroje.<\/li>\n<li><strong>ISO 1974<\/strong>: Zam\u011b\u0159uje se na stanoven\u00ed odolnosti pap\u00edru proti roztr\u017een\u00ed pomoc\u00ed p\u0159\u00edstroje Elmendorf, podobn\u011b jako norma ASTM D689.<\/li>\n<\/ul>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Procesn\u00ed stroj Elmendorf pro testov\u00e1n\u00ed trh\u00e1n\u00ed model SLD-01\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/GpXQtM1QpJ4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<h2><strong>\u00daloha trhac\u00edho testeru Elmendorf<\/strong><\/h2>\n<p>Zku\u0161ebn\u00ed p\u0159\u00edstroj pro m\u011b\u0159en\u00ed odolnosti proti roztr\u017een\u00ed Elmendorf, pojmenovan\u00fd po Arminu Elmendorfovi, je kl\u00ed\u010dov\u00fdm n\u00e1strojem pro m\u011b\u0159en\u00ed odolnosti pap\u00edru proti roztr\u017een\u00ed. Tento p\u0159\u00edstroj vyu\u017e\u00edv\u00e1 kyvadlo k roz\u0161\u00ed\u0159en\u00ed trhliny v p\u0159edem na\u0159\u00edznut\u00e9m vzorku. Energie, kterou kyvadlo p\u0159i protrh\u00e1v\u00e1n\u00ed pap\u00edru spot\u0159ebuje, se m\u011b\u0159\u00ed a zaznamen\u00e1v\u00e1 jako odolnost proti roztr\u017een\u00ed.<\/p>\n<h3><strong>Proces testov\u00e1n\u00ed<\/strong><\/h3>\n<p>Zku\u0161ebn\u00ed proces za\u010d\u00edn\u00e1 upevn\u011bn\u00edm vzorku pap\u00edru do zku\u0161ebn\u00edho za\u0159\u00edzen\u00ed. V pap\u00edru se vytvo\u0159\u00ed z\u00e1\u0159ez a kyvadlo se uvoln\u00ed. Jak kyvadlo protrh\u00e1v\u00e1 pap\u00edr, ztr\u00e1c\u00ed potenci\u00e1ln\u00ed energii. Tato ztr\u00e1ta se zm\u011b\u0159\u00ed a pou\u017eije k v\u00fdpo\u010dtu pr\u016fm\u011brn\u00e9 trhac\u00ed s\u00edly, kter\u00e1 se obvykle ud\u00e1v\u00e1 v gramech nebo milinewton\u00e1ch (mN).<\/p>\n<h3><strong>V\u00fdznam zkou\u0161ek pevnosti v trh\u00e1n\u00ed<\/strong><\/h3>\n<p>P\u0159esn\u00e9 m\u011b\u0159en\u00ed pevnosti v trh\u00e1n\u00ed je kl\u00ed\u010dov\u00e9 pro odv\u011btv\u00ed, kter\u00e1 vyu\u017e\u00edvaj\u00ed pap\u00edrov\u00e9 materi\u00e1ly. Nap\u0159\u00edklad v obalov\u00e9m pr\u016fmyslu m\u016f\u017ee znalost pevnosti v trh\u00e1n\u00ed rozhodnout o tom, zda je materi\u00e1l vhodn\u00fd k ochran\u011b v\u00fdrobk\u016f b\u011bhem p\u0159epravy a manipulace. Vy\u0161\u0161\u00ed pevnost v trh\u00e1n\u00ed znamen\u00e1 odoln\u011bj\u0161\u00ed a spolehliv\u011bj\u0161\u00ed materi\u00e1l.<\/p>\n<h3><strong>Doporu\u010den\u00fd p\u0159\u00edstroj: SLD-01 \u2013 p\u0159\u00edstroj pro zkou\u0161ku odolnosti proti roztr\u017een\u00ed<\/strong><\/h3>\n<p>Pro p\u0159esn\u00e9 a spolehliv\u00e9 zkou\u0161en\u00ed pevnosti v trh\u00e1n\u00ed je t\u0159eba, aby <strong>SLD-01 Tester slz<\/strong> od spole\u010dnosti Cell Instruments je nejlep\u0161\u00ed volbou. Tento tester spl\u0148uje hlavn\u00ed mezin\u00e1rodn\u00ed normy, v\u010detn\u011b ASTM D1922, ASTM D1424, ASTM D689, ISO 6383 a ISO 1974. Nab\u00edz\u00ed \u0161irok\u00fd rozsah zkou\u0161ek a funkce, jako je pneumatick\u00e9 upnut\u00ed vzorku, automatick\u00e9 uvoln\u011bn\u00ed kyvadla a automatick\u00e1 statistika dat, co\u017e zaji\u0161\u0165uje konzistentn\u00ed a p\u0159esn\u00e1 m\u011b\u0159en\u00ed.<\/p>\n<h2><strong>Z\u00e1v\u011br<\/strong><\/h2>\n<p>Porozum\u011bn\u00ed a m\u011b\u0159en\u00ed odolnosti pap\u00edru proti roztr\u017een\u00ed je z\u00e1sadn\u00ed pro zaji\u0161t\u011bn\u00ed jeho trvanlivosti a funk\u010dnosti v r\u016fzn\u00fdch oblastech pou\u017eit\u00ed. D\u00edky vhodn\u00e9mu vybaven\u00ed, jako je nap\u0159\u00edklad Elmendorf\u016fv trhac\u00ed tester, a dodr\u017eov\u00e1n\u00ed mezin\u00e1rodn\u00edch norem, jako jsou ASTM D689 a ISO 1974, mohou pr\u016fmyslov\u00e1 odv\u011btv\u00ed zajistit, \u017ee jejich pap\u00edrov\u00e9 v\u00fdrobky spl\u0148uj\u00ed nejvy\u0161\u0161\u00ed standardy kvality.<\/p>\n<h2><strong>Sekce nej\u010dast\u011bj\u0161\u00edch dotaz\u016f<\/strong><\/h2>\n<ol>\n<li><strong>Jak\u00fd v\u00fdznam m\u00e1 pevnost v trh\u00e1n\u00ed u pap\u00edru?<\/strong>\n<ul>\n<li>Pevnost v trh\u00e1n\u00ed ur\u010duje odolnost pap\u00edru a jeho schopnost odol\u00e1vat roztr\u017een\u00ed p\u0159i pou\u017e\u00edv\u00e1n\u00ed, co\u017e je kl\u00ed\u010dov\u00e9 zejm\u00e9na pro obaly a dal\u0161\u00ed pou\u017eit\u00ed.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Jak se m\u011b\u0159\u00ed pevnost v trh\u00e1n\u00ed?<\/strong>\n<ul>\n<li>Pevnost v trh\u00e1n\u00ed se m\u011b\u0159\u00ed pomoc\u00ed p\u0159\u00edstroj\u016f, jako je nap\u0159\u00edklad trhac\u00ed tester Elmendorf, kter\u00fd vypo\u010d\u00edt\u00e1v\u00e1 s\u00edlu pot\u0159ebnou k roz\u0161\u00ed\u0159en\u00ed trhliny v p\u0159edem na\u0159ezan\u00e9m vzorku.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Jak\u00e9 normy se pou\u017e\u00edvaj\u00ed pro zkou\u0161en\u00ed odolnosti proti roztr\u017een\u00ed?<\/strong>\n<ul>\n<li>Mezi b\u011b\u017en\u00e9 normy pat\u0159\u00ed ASTM D1424, ASTM D689, ASTM D1922, ISO 6383 a ISO 1974, kter\u00e9 stanovuj\u00ed postupy zkou\u0161ek pro zaji\u0161t\u011bn\u00ed p\u0159esn\u00fdch m\u011b\u0159en\u00ed.<\/li>\n<\/ul>\n<\/li>\n<li><strong>V jak\u00fdch odv\u011btv\u00edch se prov\u00e1d\u011bj\u00ed zkou\u0161ky pevnosti v trh\u00e1n\u00ed?<\/strong>\n<ul>\n<li>Odv\u011btv\u00ed jako balic\u00ed pr\u016fmysl, polygrafie, textiln\u00ed pr\u016fmysl a agentury zab\u00fdvaj\u00edc\u00ed se kontrolou kvality se p\u0159i zaji\u0161\u0165ov\u00e1n\u00ed trvanlivosti v\u00fdrobk\u016f spol\u00e9haj\u00ed na zkou\u0161ky odolnosti proti roztr\u017een\u00ed.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Pro\u010d si vybrat SLD-01 Tear Tester od spole\u010dnosti Cell Instruments?<\/strong>\n<ul>\n<li>Zku\u0161ebn\u00ed stroj na trhac\u00ed pevnost SLD-01 umo\u017e\u0148uje p\u0159esn\u00e1 a spolehliv\u00e1 m\u011b\u0159en\u00ed a spl\u0148uje hlavn\u00ed mezin\u00e1rodn\u00ed normy, d\u00edky \u010demu\u017e je ide\u00e1ln\u00ed pro p\u0159esn\u00e9 zkou\u0161en\u00ed trhac\u00ed pevnosti.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>Souvisej\u00edc\u00ed produkty<\/h2>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/produkt-2\/sld-01-elimendorf-tear-resistance-testing-machine\/\">Stroj na zkou\u0161en\u00ed pevnosti v tahu<\/a><\/p>\n<h2>Souvisej\u00edc\u00ed \u010dl\u00e1nek<\/h2>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/test-tearing-resistance-astm-d1424-iso-6383\/\">Odolnost proti roztr\u017een\u00ed<\/a><\/p>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/tear-resistance-tester-astm-d1922-iso-1974\/\">Tester odolnosti proti roztr\u017een\u00ed<\/a><\/p>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/elmendorf-tear-resistance-astm-d1424-fabric\/\">Odolnost proti roztr\u017een\u00ed Elmendorf<\/a><\/p>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/iso-6383-tearing-resistance-tester-astm-d1424\/\">Tester odolnosti proti roztr\u017een\u00ed<\/a><\/p>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/tear-strength-tester-astm-d1424-iso-6383\/\">Tester pevnosti v tahu<\/a><\/p>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/elmendorf-tear-strength-fabrics-astm-d1424\/\">Elmendorf Tear Strength<\/a><\/p>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/elmendorf-tear-paper-tear-strength-iso-1974\/\">Elmendorf Tear<\/a><\/p>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/the-best-tearing-tester-astm-d1424-elmendorf\/\">Trhac\u00ed zkou\u0161e\u010dka<\/a><\/p>\n<p><a href=\"https:\/\/www.qualitester.com\/cs\/elmendorf-test-tear-resistance-astm-d1922\/\">Elmendorf\u016fv test<\/a><\/p>\n<h2>Odkaz<\/h2>\n<p><a href=\"https:\/\/www.astm.org\/d1424-21.html\" rel=\"nofollow noopener\" target=\"_blank\">ASTM D1424<\/a><\/p>\n<p><a href=\"https:\/\/www.iso.org\/standard\/67565.html\" rel=\"nofollow noopener\" target=\"_blank\">ISO 6383<\/a><\/p>\n<p><a href=\"https:\/\/www.astm.org\/d1922-15r20.html\" rel=\"nofollow noopener\" target=\"_blank\">ASTM D1922<\/a><\/p>\n<p><a href=\"https:\/\/www.astm.org\/d0689-17.html\" rel=\"nofollow noopener\" target=\"_blank\">ASTM D689<\/a><\/p>\n<p><a href=\"https:\/\/www.iso.org\/standard\/52430.html\" rel=\"nofollow noopener\" target=\"_blank\">ISO 1974<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u00davod Pevnost pap\u00edru v roztr\u017een\u00ed je kritick\u00e1 mechanick\u00e1 vlastnost, kter\u00e1 ur\u010duje schopnost pap\u00edru odol\u00e1vat trhac\u00edm sil\u00e1m. Tato vlastnost m\u00e1 z\u00e1sadn\u00ed v\u00fdznam v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch, kde je nejd\u016fle\u017eit\u011bj\u0161\u00ed trvanlivost a v\u00fdkonnost pap\u00edru p\u0159i nam\u00e1h\u00e1n\u00ed. Pochopen\u00ed a p\u0159esn\u00e9 m\u011b\u0159en\u00ed pevnosti v tahu zaji\u0161\u0165uje, \u017ee pap\u00edr vydr\u017e\u00ed po\u017eadavky na jeho zam\u00fd\u0161len\u00e9 pou\u017eit\u00ed, ...<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/cs\/tear-strength-of-paper-astm-d1922-and-iso-6383\/\"> <span class=\"screen-reader-text\">Pro\u010d z\u00e1le\u017e\u00ed na pevnosti pap\u00edru v roztr\u017een\u00ed: Zkoum\u00e1n\u00ed norem ASTM D1922 a ISO 6383 pro p\u0159esn\u00e9 m\u011b\u0159en\u00ed.<\/span> Pokra\u010dovat ve \u010dten\u00ed \"<\/a><\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-4557","post","type-post","status-publish","format-standard","hentry","category-test-method"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/cs\/wp-json\/wp\/v2\/posts\/4557","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qualitester.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/cs\/wp-json\/wp\/v2\/comments?post=4557"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/cs\/wp-json\/wp\/v2\/posts\/4557\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/cs\/wp-json\/wp\/v2\/media?parent=4557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qualitester.com\/cs\/wp-json\/wp\/v2\/categories?post=4557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qualitester.com\/cs\/wp-json\/wp\/v2\/tags?post=4557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}