{"id":9312,"date":"2026-02-02T11:24:03","date_gmt":"2026-02-02T03:24:03","guid":{"rendered":"https:\/\/www.packqc.com\/applications\/trouser-tear-test\/"},"modified":"2026-03-16T16:24:19","modified_gmt":"2026-03-16T08:24:19","slug":"trouser-tear-test","status":"publish","type":"applications","link":"https:\/\/www.packqc.com\/lt\/applications\/trouser-tear-test\/","title":{"rendered":"Kelni\u0173 ply\u0161imo testas"},"content":{"rendered":"<p>The <a href=\"https:\/\/www.packqc.com\/lt\/standard\/astm-d1938\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"510\" data-end=\"524\">ASTM D1938<\/strong><\/a> bandym\u0173 metodas yra esminis standartas vertinant <strong data-start=\"581\" data-end=\"612\">atsparumas \u012ftr\u016bkim\u0173 plitimui<\/strong> plastikini\u0173 pl\u0117veli\u0173 ir plon\u0173 lak\u0161t\u0173. Da\u017eniausiai \u017einomas kaip <strong data-start=\"671\" data-end=\"692\">kelni\u0173 ply\u0161imo testas<\/strong>, \u0161is metodas naudojamas matuojant j\u0117g\u0105, kurios reikia plastiko med\u017eiag\u0173 \u012ftr\u016bkimui i\u0161plisti, tod\u0117l galima gauti verting\u0173 \u017eini\u0173 apie j\u0173 patvarum\u0105 ir eksploatacines savybes veikiant apkrovai.<\/p>\n\n\n\n<p>Taikant \u0161\u012f metod\u0105 naudojamas <strong data-start=\"908\" data-end=\"930\">vieno ply\u0161imo metodas<\/strong>, kai med\u017eiagoje padaromas ply\u0161ys, o pastovaus grei\u010dio atskyrimo aparatu matuojama j\u0117ga, kuria sklinda \u0161is ply\u0161ys. Tai labai svarbus bandymas, naudojamas \u012fvairiose pramon\u0117s \u0161akose, pavyzd\u017eiui, pakavimo, maisto ir medicinos prietais\u0173 sektoriuose, kur atsparumas ply\u0161imui yra labai svarbus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kelni\u0173 ply\u0161imo testo pagrindai<\/h2>\n\n\n\n<p>The <strong data-start=\"1258\" data-end=\"1279\">kelni\u0173 ply\u0161imo testas<\/strong> plastikin\u0119 pl\u0117vel\u0119 arba plon\u0105 lak\u0161t\u0105 reikia suimti dviem spaustukais, kuri\u0173 viduryje yra i\u0161 anksto i\u0161pjautas ply\u0161ys. Griebtuvai atskiriami pastoviu grei\u010diu, tod\u0117l ply\u0161ys sklinda per med\u017eiag\u0105. Matuojama j\u0117ga, kurios reikia, kad ply\u0161imas t\u0119st\u0173si, ir taip nustatoma <strong data-start=\"1572\" data-end=\"1606\">plastikini\u0173 pl\u0117veli\u0173 atsparumas ply\u0161imui<\/strong>.<\/p>\n\n\n\n<p>The <strong data-start=\"1613\" data-end=\"1644\">atsparumas \u012ftr\u016bkim\u0173 plitimui<\/strong> yra svarbus norint suprasti, kaip gerai med\u017eiaga atspari ply\u0161imui, o tai gali b\u016bti labai svarbu norint j\u0105 naudoti realiose srityse, pavyzd\u017eiui, apsauginiams barjerams, pakuot\u0117ms ar medicinin\u0117ms pl\u0117vel\u0117ms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kaip veikia ASTM D1938 testas<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong data-start=\"1887\" data-end=\"1912\">\u017dingsnis po \u017eingsnio procesas:<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"1916\" data-end=\"1940\">Bandini\u0173 paruo\u0161imas<\/strong>: Bandinio viduryje padaromas ply\u0161ys, taip suformuojant dvi kojas. \u0160ias kojas sugriebia ma\u0161ina, o atstumas tarp sugriebim\u0173 palaikomas pastoviu grei\u010diu.<\/li>\n\n\n\n<li><strong data-start=\"2116\" data-end=\"2146\">Atskyrimas ir matavimas<\/strong>: Bandymas atliekamas nepertraukiamai atskiriant rankenas, o bandymo metu registruojama j\u0117ga, kurios reikia ply\u0161imui paskleisti.<\/li>\n\n\n\n<li><strong data-start=\"2289\" data-end=\"2305\">Bandym\u0173 rezultatai<\/strong>: Bandymo metu gauti apkrovos ir laiko duomenys leid\u017eia operatoriui nustatyti med\u017eiagos <strong data-start=\"2400\" data-end=\"2431\">atsparumas \u012ftr\u016bkim\u0173 plitimui<\/strong>, kuris apskai\u010diuojamas pagal i\u0161matuot\u0105 j\u0117g\u0105 ir sukibimo atstum\u0105.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><strong data-start=\"2512\" data-end=\"2544\">Rezultatams \u012ftak\u0105 darantys veiksniai:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2547\" data-end=\"2565\">Pl\u0117vel\u0117s storis<\/strong>: Storesn\u0117ms pl\u0117vel\u0117ms reikia didesn\u0117s j\u0117gos, kad ply\u0161imas i\u0161sipl\u0117st\u0173.<\/li>\n\n\n\n<li><strong data-start=\"2625\" data-end=\"2649\">Med\u017eiagos sud\u0117tis<\/strong>: Polimero tipas ir priedai gali tur\u0117ti \u012ftakos atsparumui ply\u0161imui.<\/li>\n\n\n\n<li><strong data-start=\"2738\" data-end=\"2757\">Bandymo s\u0105lygos<\/strong>: Temperat\u016bra ir dr\u0117gm\u0117 gali tur\u0117ti \u012ftakos rezultatams, tod\u0117l bandymai paprastai atliekami kontroliuojamomis s\u0105lygomis (23 \u00b1 2 \u00b0C ir 50 \u00b1 10% santykin\u0117 oro dr\u0117gm\u0117).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Kelni\u0173 ply\u0161imo testo taikymas<\/h3>\n\n\n\n<p>The <strong data-start=\"2966\" data-end=\"2987\">kelni\u0173 ply\u0161imo testas<\/strong> pirmiausia naudojamas plastikin\u0117ms pl\u0117vel\u0117ms ir ploniems lak\u0161tams, kuri\u0173 storis ne didesnis kaip 1 mm, bandyti. Da\u017eniausiai naudojami:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"3117\" data-end=\"3139\">Pakavimo pramon\u0117<\/strong>: \u012evertinti <strong data-start=\"3157\" data-end=\"3192\">plastikin\u0117s pl\u0117vel\u0117s atsparumas ply\u0161imui<\/strong> naudojamas pakavimo med\u017eiagose.<\/li>\n\n\n\n<li><strong data-start=\"3225\" data-end=\"3243\">Medicinos sektorius<\/strong>: Med\u017eiagoms, naudojamoms medicininiams u\u017evalkalams, sterilizaciniams apvalkalams ir kitiems apsauginiams sluoksniams.<\/li>\n\n\n\n<li><strong data-start=\"3336\" data-end=\"3356\">Tekstil\u0117s pramon\u0117<\/strong>: \u012evertinti plastikini\u0173 pl\u0117veli\u0173, naudojam\u0173 audiniuose ir kompozitin\u0117se med\u017eiagose, atsparum\u0105 ply\u0161imui.<\/li>\n<\/ol>\n\n\n\n<p>Atlikdami \u0161\u012f bandym\u0105 gamintojai gali \u012fvertinti <strong data-start=\"3501\" data-end=\"3518\">atsparumas ply\u0161imui<\/strong> ir med\u017eiag\u0173 ilgaam\u017ei\u0161kum\u0105, u\u017etikrinant j\u0173 tinkamum\u0105 konkre\u010dioms reikm\u0117ms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Supratimas apie ply\u0161imo bandymo metodus ir atsparum\u0105 ply\u0161imui<\/h2>\n\n\n\n<p>The <strong data-start=\"3684\" data-end=\"3704\">ply\u0161imo bandymo metodas<\/strong> vertinama, kaip med\u017eiaga reaguoja \u012f taikom\u0105 \u012ftempim\u0105, imituojant realaus gyvenimo scenarijus, kai med\u017eiagos gali b\u016bti \u012fpjoviamos ar \u012fpl\u0117\u0161iamos. . <strong data-start=\"3839\" data-end=\"3870\">atsparumas \u012ftr\u016bkim\u0173 plitimui<\/strong> suteikia informacijos apie bendr\u0105 med\u017eiagos stiprum\u0105 ir atsparum\u0105 veikiant i\u0161orin\u0117ms j\u0117goms.<\/p>\n\n\n\n<p>Tinklalapiui <strong data-start=\"3976\" data-end=\"3993\">plonas lak\u0161tas<\/strong> ir pl\u0117veli\u0173, \u0161iuo bandymu galima atskirti labai elastingas med\u017eiagas, kurios pl\u0117\u0161imo metu labai deformuojasi, nuo neelasting\u0173 pl\u0117veli\u0173, kurios atlaiko pl\u0117\u0161im\u0105 su minimalia deformacija. \u0160ios \u012f\u017evalgos padeda gamintojams pasirinkti tinkamas med\u017eiagas gaminiams, kuriems reikia ilgaam\u017ei\u0161kumo ir tvirtumo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1938 reik\u0161m\u0117 pramon\u0117je<\/h2>\n\n\n\n<p>\u0160is bandymas labai svarbus pramon\u0117s \u0161akose, kuriose med\u017eiagos turi patikimai veikti veikiant apkrovai. <strong data-start=\"4445\" data-end=\"4459\">ASTM D1938<\/strong> teikia svarbius duomenis, kurie gali pad\u0117ti gamintojams optimizuoti med\u017eiag\u0173 veikim\u0105 ir u\u017etikrinti, kad j\u0173 gaminiai i\u0161likt\u0173 vientisi \u012fvairiose aplinkose. Jis ypa\u010d naudingas vertinant med\u017eiagas, naudojamas didel\u0117s paklausos reikm\u0117ms, pavyzd\u017eiui, pakuot\u0117ms, apsauginiams dang\u010diams ir medicinin\u0117ms pl\u0117vel\u0117ms.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong data-start=\"4763\" data-end=\"4805\">Pagrindiniai kelni\u0173 ply\u0161imo testo privalumai:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"4808\" data-end=\"4849\">Tikslus med\u017eiag\u0173 eksploatacini\u0173 savybi\u0173 \u012fvertinimas<\/strong>: Padeda gamintojams palyginti <strong data-start=\"4883\" data-end=\"4914\">atsparumas ply\u0161imui<\/strong> \u012fvairi\u0173 med\u017eiag\u0173.<\/li>\n\n\n\n<li><strong data-start=\"4941\" data-end=\"4973\">Patobulintas produkt\u0173 k\u016brimas<\/strong>: Padeda kurti tvirtesnes ir patvaresnes med\u017eiagas pakuot\u0117ms, apsauginiams sluoksniams ir medicinos reikm\u0117ms.<\/li>\n\n\n\n<li><strong data-start=\"5092\" data-end=\"5120\">Patobulinta kokyb\u0117s kontrol\u0117<\/strong>: U\u017etikrinamas med\u017eiag\u0173 eksploatacini\u0173 savybi\u0173 nuoseklumas, padedantis gamintojams i\u0161laikyti auk\u0161tus gamini\u0173 standartus.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DUK<\/h2>\n\n\n\n<p>1 klausimas: Koks yra kelni\u0173 ply\u0161imo bandymo (ASTM D1938) tikslas?<br>The <strong>Kelni\u0173 ply\u0161imo testas<\/strong>, kaip nurodyta <strong>ASTM D1938<\/strong>, naudojamas siekiant nustatyti <strong>atsparumas \u012ftr\u016bkim\u0173 plitimui<\/strong> plastikini\u0173 pl\u0117veli\u0173 ir plon\u0173 lak\u0161t\u0173. Bandymu matuojama j\u0117ga, kurios reikia 1 mm ar ma\u017eesnio storio med\u017eiagoms \u012fpl\u0117\u0161ti. Jis padeda \u012fvertinti <strong>plastikini\u0173 pl\u0117veli\u0173 atsparumas ply\u0161imui<\/strong>taip u\u017etikrinant, kad jie atlaikyt\u0173 mechaninius poveikius, o tai labai svarbu naudojant juos pakuot\u0117se, medicinos prietaisuose ir kitose apsaugin\u0117se priemon\u0117se.<\/p>\n\n\n\n<p>2 klausimas: Kokios med\u017eiagos bandomos taikant kelni\u0173 ply\u0161imo bandym\u0105 (ASTM D1938)?<br>The <strong>Kelni\u0173 ply\u0161imo bandymas (ASTM D1938)<\/strong> vis\u0173 pirma naudojamas testuoti <strong>plastikin\u0117s pl\u0117vel\u0117s<\/strong> ir <strong>plonas lak\u0161tas<\/strong> kuri\u0173 storis ne didesnis kaip 1 mm. Jis tinka tokioms med\u017eiagoms kaip <strong>audiniai, dengtos pl\u0117vel\u0117s, derva apdoroti plastikai<\/strong>, ir<strong> oro pagalvi\u0173 audiniai<\/strong>. Metodas taikomas pl\u0117vel\u0117ms, kurios bandym\u0173 metu n\u0117ra linkusios trapiai suirti, ir gali b\u016bti naudojamas vertinant \u012fvairi\u0173 r\u016b\u0161i\u0173 plastikines med\u017eiagas, \u012fskaitant naudojamas pakuot\u0117ms ir apsaugin\u0117ms dangoms.<\/p>\n\n\n\n<p>3 klausimas: Kokie veiksniai turi \u012ftakos ASTM D1938 kelni\u0173 ply\u0161imo bandymo rezultatams? ASTM D1938 kelni\u0173 ply\u0161imo bandymo rezultatams turi \u012ftakos keli veiksniai:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Med\u017eiagos storis<\/strong>: Storesn\u0117ms pl\u0117vel\u0117ms gali prireikti daugiau j\u0117gos, kad ply\u0161imas i\u0161sipl\u0117st\u0173.<\/li>\n\n\n\n<li><strong>Med\u017eiagos sud\u0117tis<\/strong>: Plastiko tipas ir priedai gali tur\u0117ti \u012ftakos atsparumui ply\u0161imui.<\/li>\n\n\n\n<li><strong>Bandymo s\u0105lygos<\/strong>: Temperat\u016bra ir dr\u0117gm\u0117 turi didel\u0119 reik\u0161m\u0119 med\u017eiagos elgsenai, tod\u0117l bandymai tur\u0117t\u0173 b\u016bti atliekami kontroliuojamomis s\u0105lygomis (23 \u00b1 2 \u00b0C ir 50 \u00b1 10% santykin\u0117 oro dr\u0117gm\u0117).<\/li>\n\n\n\n<li><strong>Su\u0117mimo atskyrimo greitis<\/strong>: Rezultatams \u012ftakos gali tur\u0117ti greitis, kuriuo bandymo metu atskiriamos rankenos.<\/li>\n<\/ol>\n\n\n\n<p>4 klausimas: Kokioms pramon\u0117s \u0161akoms naudingas ASTM D1938 kelni\u0173 ply\u0161imo testas?<br>ASTM D1938 kelni\u0173 ply\u0161imo testas naudingas kelioms pramon\u0117s \u0161akoms:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Pakuot\u0117<\/strong>: \u012evertinti pakavimo med\u017eiagose naudojam\u0173 plastikini\u0173 pl\u0117veli\u0173 atsparum\u0105 ply\u0161imui.<\/li>\n\n\n\n<li><strong>Medicinos<\/strong>: Medicinini\u0173 dang\u010di\u0173, sterilizacijos pl\u0117veli\u0173 ir apsaugini\u0173 sluoksni\u0173 eksploatacin\u0117ms savyb\u0117ms vertinti.<\/li>\n\n\n\n<li><strong>Tekstil\u0117<\/strong>: Tiriant plastikini\u0173 pl\u0117veli\u0173 atsparum\u0105 ply\u0161imui sud\u0117tiniuose audiniuose ir apsaugin\u0117je tekstil\u0117je.<\/li>\n\n\n\n<li><strong>Maistas ir g\u0117rimai<\/strong>: I\u0161bandyti pakuo\u010di\u0173 med\u017eiag\u0173 patvarum\u0105 jas tvarkant ir transportuojant.<\/li>\n<\/ol>\n\n\n\n<p>\u0160is bandymas padeda u\u017etikrinti, kad med\u017eiagos atitikt\u0173 realioms reikm\u0117ms b\u016btinus stiprumo ir patvarumo reikalavimus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Susisiekite su mumis Gaukite kelni\u0173 ply\u0161imo testavimo sprendim\u0105 <\/h2>\n\n\n\n<p>The <strong data-start=\"5823\" data-end=\"5844\">kelni\u0173 ply\u0161imo testas<\/strong> apibr\u0117\u017eiamas pagal <strong data-start=\"5856\" data-end=\"5870\"><a href=\"https:\/\/store.astm.org\/d1938-19.html\" rel=\"nofollow noopener\" target=\"_blank\">ASTM D1938<\/a><\/strong> yra ne\u012fkainojamas metodas, leid\u017eiantis \u012fvertinti <strong data-start=\"5913\" data-end=\"5944\">atsparumas \u012ftr\u016bkim\u0173 plitimui<\/strong> plastikini\u0173 pl\u0117veli\u0173 ir plon\u0173 lak\u0161t\u0173. Jame pateikiami svarb\u016bs duomenys, reikalingi pramon\u0117s \u0161akoms, kurios remiasi plastikin\u0117mis med\u017eiagomis, pavyzd\u017eiui, pakuo\u010di\u0173, medicinos ir tekstil\u0117s pramonei, siekiant u\u017etikrinti, kad j\u0173 gaminiai atitikt\u0173 b\u016btinus ilgaam\u017ei\u0161kumo standartus. Naudojant <strong data-start=\"6171\" data-end=\"6191\">L\u0105steli\u0173 instrumentai<\/strong> bandym\u0173 \u012franga, gamintojai gali gauti patikimus rezultatus, optimizuoti med\u017eiag\u0173 veikim\u0105 ir u\u017etikrinti savo gamini\u0173 pastovum\u0105 bei kokyb\u0119.<\/p>","protected":false},"excerpt":{"rendered":"<p>The ASTM D1938 test method is an essential standard for evaluating the tear propagation resistance of plastic films and thin sheeting. Commonly known as the trouser tear test, this method is used to measure the force required to propagate a tear in plastic materials, providing valuable insight into their durability and performance under stress. This [&hellip;]<\/p>","protected":false},"featured_media":8761,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"class_list":["post-9312","applications","type-applications","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/applications\/9312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/applications"}],"about":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/types\/applications"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media\/8761"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media?parent=9312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}