{"id":7580,"date":"2025-11-19T17:09:02","date_gmt":"2025-11-19T09:09:02","guid":{"rendered":"https:\/\/www.qualitester.com\/?page_id=7580"},"modified":"2025-11-24T09:36:22","modified_gmt":"2025-11-24T01:36:22","slug":"astm-d1004","status":"publish","type":"page","link":"https:\/\/www.qualitester.com\/lv\/standards\/astm-d1004\/","title":{"rendered":"ASTM D1004"},"content":{"rendered":"<h1 style=\"text-align: center;\">ASTM D1004<br \/>\n<small>Plastmasas pl\u0113vju un lok\u0161\u0146u Gravesa pl\u012bsuma tests<\/small><\/h1>\n<p data-start=\"492\" data-end=\"999\">Standarts ASTM D1004 ir \u013coti svar\u012bgs, nov\u0113rt\u0113jot pl\u012bsumiztur\u012bbu <strong data-start=\"562\" data-end=\"591\">plastmasas pl\u0113ve un loksnes<\/strong>, pal\u012bdzot ra\u017eot\u0101jiem un kvalit\u0101tes kontroles darbiniekiem izprast, k\u0101 materi\u0101ls rea\u0123\u0113, kad tam tiek rad\u012bts s\u0101kotn\u0113jais pl\u012bsums. T\u0101 k\u0101 pl\u0113ves k\u013c\u016bst arvien pl\u0101n\u0101kas, funkcion\u0101l\u0101kas un pla\u0161i izmantojamas vis\u0101 <strong data-start=\"786\" data-end=\"846\">iepakojums, medic\u012bnas ier\u012bces, farmaceitiskie prepar\u0101ti, elektronika<\/strong>, k\u0101 ar\u012b cit\u0101s nozar\u0113s prec\u012bza pl\u012bsumiztur\u012bbas nov\u0113rt\u0113\u0161ana k\u013c\u016bst b\u016btiska, lai prognoz\u0113tu materi\u0101la darb\u012bbas r\u0101d\u012bt\u0101jus un nov\u0113rstu boj\u0101jumus re\u0101los lieto\u0161anas apst\u0101k\u013cos.<\/p>\n<p data-start=\"1001\" data-end=\"1287\">\u0160\u012b metode ir v\u0113rsta uz <strong data-start=\"1024\" data-end=\"1066\">sp\u0113ks, kas nepiecie\u0161ams, lai izrais\u012btu pl\u012b\u0161anu<\/strong>, nevis sp\u0113ks, kas nepiecie\u0161ams, lai to izplat\u012btu. \u0160is uzsvars sniedz v\u0113rt\u012bgu ieskatu elast\u012bgo pl\u0113ves strukt\u016bru iztur\u012bb\u0101 un uzticam\u012bb\u0101, jo \u012bpa\u0161i t\u0101d\u0101s, kuras izmanto augstas dro\u0161\u012bbas pak\u0101pes iepakojuma risin\u0101jumos.<\/p>\n<hr data-start=\"1289\" data-end=\"1292\" \/>\n<h3 data-start=\"1294\" data-end=\"1341\">Gravesa asaru testa noz\u012bme saska\u0146\u0101 ar standartu ASTM D1004<\/h3>\n<p data-start=\"1451\" data-end=\"1843\">Port\u0101ls <strong data-start=\"1455\" data-end=\"1475\">Gravesa asaru tests<\/strong>, kas ir ASTM D1004 standarta pamat\u0101, izmanto paraugu ar iecirtumu, kas rada noteiktu sprieguma koncentr\u0101ciju. Kad materi\u0101ls slodzes ietekm\u0113 izstiepjas, pl\u012bsums s\u0101kas tie\u0161i \u0161aj\u0101 kritiskaj\u0101 viet\u0101. \u0160is <strong data-start=\"1667\" data-end=\"1698\">Gravesa iztur\u012bbas pret pl\u012bsumiem tests<\/strong> \u013cauj lietot\u0101jiem ieg\u016bt \u013coti sal\u012bdzin\u0101mus datus, jo parauga forma, iecirtuma izm\u0113ri, p\u0101rbaudes \u0101trums un satver\u0161anas metode ir standartiz\u0113ti.<\/p>\n<p data-start=\"1845\" data-end=\"2258\">Nozar\u0113m, kur\u0101m ir svar\u012bga stabilit\u0101te <strong data-start=\"1882\" data-end=\"1922\">plastmasas pl\u0113ves un lok\u0161\u0146u pl\u012bsumiztur\u012bba<\/strong>, \u0161\u012b metode nodro\u0161ina augstu prognoz\u0113\u0161anas precizit\u0101ti. Iepakojuma pl\u0113ves, ko izmanto maisi\u0146os, medic\u012bniskajos maisi\u0146os, blistera iepakojumos un aizsarglamin\u0101tajos materi\u0101los, bie\u017ei tiek pak\u013cautas lok\u0101l\u0101m slodz\u0113m. Izpratne par to, k\u0101 materi\u0101ls rea\u0123\u0113 br\u012bd\u012b, kad s\u0101kas pl\u012bsums, pal\u012bdz ra\u017eot\u0101jiem uzlabot produkta sast\u0101vu, daudzsl\u0101\u0146u uzb\u016bvi un procesa kontroli.<\/p>\n<hr data-start=\"2260\" data-end=\"2263\" \/>\n<h3 data-start=\"2265\" data-end=\"2329\">ASTM D1004 pl\u012bsumiztur\u012bbas m\u0113r\u012b\u0161anas pamatprincipi<\/h3>\n<p data-start=\"2331\" data-end=\"2626\">Standarts ASTM D1004 nosaka zemu slodzes pieauguma \u0101trumu <strong data-start=\"2372\" data-end=\"2385\">51 mm\/min<\/strong>, nodro\u0161inot, ka pl\u012b\u0161ana notiek kontrol\u0113t\u0101, l\u0113n\u0101 slodz\u0113 \u2014 kas ir daudz maz\u0101ka nek\u0101 tipiskos lieto\u0161anas apst\u0101k\u013cos. Tas \u013cauj laboratorij\u0101m izdal\u012bt materi\u0101la \u0137\u012bmisk\u0101s \u012bpa\u0161\u012bbas, krist\u0101liskumu un struktur\u0101l\u0101s \u012bpa\u0161\u012bbas, ne\u0146emot v\u0113r\u0101 dinamisko slod\u017eu ietekmi.<\/p>\n<p data-start=\"2628\" data-end=\"2674\">\u0160o metodi nosaka vair\u0101ki svar\u012bgi principi:<\/p>\n<ul>\n<li data-start=\"2678\" data-end=\"2805\"><strong data-start=\"2678\" data-end=\"2719\">Prec\u012bzs sp\u0113ka iedarb\u012bbas s\u0101kuma m\u0113r\u012bjums<\/strong>: Maksim\u0101lais sp\u0113ks, kas rodas pl\u012b\u0161anas s\u0101kuma posm\u0101, nosaka pl\u012b\u0161anas iztur\u012bbu.<\/li>\n<li data-start=\"2808\" data-end=\"2965\"><strong data-start=\"2808\" data-end=\"2845\">Stingra parauga biezuma kontrole<\/strong>: Novirzes, kas p\u0101rsniedz \u00b110%, rada maldino\u0161us rezult\u0101tus, jo biezums nav line\u0101ri saist\u012bts ar pl\u012b\u0161anas \u012bpa\u0161\u012bb\u0101m.<\/li>\n<li data-start=\"2968\" data-end=\"3080\"><strong data-start=\"2968\" data-end=\"3004\">Atdal\u012b\u0161ana ar nemain\u012bgu sa\u0137eres \u0101trumu<\/strong> nodro\u0161ina vienotus test\u0113\u0161anas apst\u0101k\u013cus vis\u0101s laboratorij\u0101s un visiem instrumentu veidiem.<\/li>\n<li data-start=\"3083\" data-end=\"3237\"><strong data-start=\"3083\" data-end=\"3108\">Atbilsto\u0161i materi\u0101li<\/strong>: \u0160\u012b metode vislab\u0101k darbojas ar pl\u0113v\u0113m, kuras nel\u016bzt trausli un nep\u0101rm\u0113r\u012bgi neizstiepjas t\u0101l\u0101k par aptuveni 200%.<\/li>\n<\/ul>\n<p data-start=\"3239\" data-end=\"3365\">\u0160ie principi pal\u012bdz nodro\u0161in\u0101t, ka laboratorijas ieg\u016bst uzticamus datus par pl\u012bsumiztur\u012bbu vis\u0101s partij\u0101s, attiec\u012bb\u0101 uz visiem materi\u0101liem un ra\u017eo\u0161anas procesiem.<\/p>\n<hr data-start=\"3367\" data-end=\"3370\" \/>\n<h3 data-start=\"3372\" data-end=\"3404\">ASTM D1004 Graves pl\u012bsumiztur\u012bbas p\u0101rbaudes princips<\/h3>\n<p data-start=\"3406\" data-end=\"3772\">Proced\u016bra s\u0101kas ar hanteles formas paraugu sagatavo\u0161anu, kuriem ab\u0101s pus\u0113s ir prec\u012bzi izveidots iegriezums. P\u0113c biezuma m\u0113r\u012b\u0161anas ap iegriezuma zonu paraugs tiek nostiprin\u0101ts t\u0101, lai papla\u0161in\u0101tie gali sakristu ar satv\u0113riena centr\u0101lo l\u012bniju. Ier\u012bce atdal\u012bja satv\u0113rienus ar nemain\u012bgu \u0101trumu, un sp\u0113ka l\u012bkne nosaka maksim\u0101lo slodzi pirms iev\u0113rojamas pl\u012b\u0161anas s\u0101k\u0161an\u0101s.<\/p>\n<p data-start=\"3774\" data-end=\"3815\">M\u016bsdien\u012bgas digit\u0101l\u0101s test\u0113\u0161anas iek\u0101rtas re\u0123istr\u0113:<\/p>\n<ul>\n<li data-start=\"3818\" data-end=\"3854\">Maksim\u0101l\u0101 iztur\u012bba pret pl\u012bsumiem (N vai lbf)<\/li>\n<li data-start=\"3857\" data-end=\"3881\">Maksim\u0101lais pagarin\u0101jums (mm)<\/li>\n<li data-start=\"3884\" data-end=\"3925\">Slodzes\u2013p\u0101rvietojuma l\u012bknes raksturlielumi<\/li>\n<li data-start=\"3928\" data-end=\"3988\">Statistikas r\u0101d\u012bt\u0101ji, piem\u0113ram, vid\u0113j\u0101 v\u0113rt\u012bba un standarta novirze<\/li>\n<\/ul>\n<p data-start=\"3990\" data-end=\"4130\">\u0160ie dati pal\u012bdz laboratorij\u0101m p\u0101rbaud\u012bt materi\u0101la viendab\u012bgumu, nov\u0113rt\u0113t pieg\u0101d\u0101t\u0101ju kvalit\u0101ti, veikt p\u0113tniec\u012bbas un att\u012bst\u012bbas sal\u012bdzin\u0101jumus, k\u0101 ar\u012b apstiprin\u0101t iepakojuma dizainu.<\/p>\n<hr data-start=\"4132\" data-end=\"4135\" \/>\n<h3 data-start=\"4137\" data-end=\"4191\">Atbilsto\u0161a apr\u012bkojuma izv\u0113le ASTM D1004 test\u0113\u0161anai<\/h3>\n<p><a href=\"https:\/\/www.qualitester.com\/lv\/products-2\/tensile-tester-tst-01\/\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft wp-image-7581 size-medium\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/11\/ASTM-D1004-Graves-Tear-Test-of-Plastic-Films-and-Sheets-300x300.webp\" alt=\"ASTM D1004 \u201eGravesa pl\u0113ves un lok\u0161\u0146u pl\u012bsumiztur\u012bbas tests\u201d\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/11\/ASTM-D1004-Graves-Tear-Test-of-Plastic-Films-and-Sheets-300x300.webp 300w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/11\/ASTM-D1004-Graves-Tear-Test-of-Plastic-Films-and-Sheets-150x150.webp 150w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/11\/ASTM-D1004-Graves-Tear-Test-of-Plastic-Films-and-Sheets-12x12.webp 12w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/11\/ASTM-D1004-Graves-Tear-Test-of-Plastic-Films-and-Sheets-100x100.webp 100w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2025\/11\/ASTM-D1004-Graves-Tear-Test-of-Plastic-Films-and-Sheets.webp 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p data-start=\"4193\" data-end=\"4393\">Lai nodro\u0161in\u0101tu uzticamus ASTM D1004 testu rezult\u0101tus, ir nepiecie\u0161ama prec\u012bza \u0101truma, izvietojuma un slodzes m\u0113r\u012bjumu kontrole. Augstas precizit\u0101tes atdal\u012b\u0161anas test\u0113t\u0101js ar nemain\u012bgu satv\u0113ruma \u0101trumu nodro\u0161ina atk\u0101rtojamus sp\u0113ka iedarb\u012bbas s\u0101kuma rezult\u0101tus.<\/p>\n<p data-start=\"4395\" data-end=\"4820\">Laba izv\u0113le laboratorij\u0101m, kas mekl\u0113 uzticamus un efekt\u012bvus test\u0113\u0161anas risin\u0101jumus, ir <strong data-start=\"4476\" data-end=\"4520\">Cell instrumenti TST-01 <a href=\"https:\/\/www.qualitester.com\/lv\/products-2\/tensile-tester-tst-01\/\" target=\"_blank\" rel=\"noopener\">Stiepes testeris<\/a><\/strong>. \u0160is modelis ir piem\u0113rots elast\u012bg\u0101m plastmas\u0101m, pl\u0113v\u0113m un lamin\u0101tiem, vienlaikus nodro\u0161inot stabilu satv\u0113ruma kontroli, programm\u0113jamus \u0101truma iestat\u012bjumus un augstas iz\u0161\u0137irtsp\u0113jas slodzes dev\u0113jus. T\u0101 daudzpus\u012bba \u013cauj laboratorij\u0101m iev\u0113rot ne tikai pl\u012b\u0161anas test\u0113\u0161anas standartus, bet ar\u012b citus standartus, t\u0101d\u0113j\u0101di atbalstot pla\u0161\u0101kus kvalit\u0101tes nodro\u0161in\u0101\u0161anas un p\u0113tniec\u012bbas un att\u012bst\u012bbas darba procesus.<\/p>\n<p data-start=\"4822\" data-end=\"5000\">Izmantojot iztur\u012bgu m\u0113rinstrumentu, ne tikai tiek nodro\u0161in\u0101ta lab\u0101ka atbilst\u012bba standartam ASTM D1004, bet ar\u012b tiek uzlabota <strong data-start=\"4910\" data-end=\"4930\">datu ticam\u012bba<\/strong>, samazina operatoru k\u013c\u016bdas un nodro\u0161ina ilgtermi\u0146a kvalit\u0101tes garantiju.<\/p>\n<hr data-start=\"5002\" data-end=\"5005\" \/>\n<h2 data-start=\"310\" data-end=\"349\"><strong data-start=\"313\" data-end=\"349\">Bie\u017ei uzdotie jaut\u0101jumi par ASTM D1004 Graves pl\u012b\u0161anas testu<\/strong><\/h2>\n<p data-start=\"351\" data-end=\"383\"><strong data-start=\"355\" data-end=\"381\">1. Kas ir ASTM D1004?<br \/>\n<\/strong><a href=\"https:\/\/www.astm.org\/d1004-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1004<\/a> ir standartiz\u0113ta test\u0113\u0161anas metode, ko izmanto, lai noteiktu <strong data-start=\"445\" data-end=\"475\">iztur\u012bba pret pl\u012bsumu veido\u0161anos<\/strong> elast\u012bg\u0101m plastmasas pl\u0113v\u0113m un loksn\u0113m, izmantojot Gravesa pl\u012b\u0161anas \u0123eometriju. Taj\u0101 tiek nov\u0113rt\u0113ts maksim\u0101lais sp\u0113ks, kas nepiecie\u0161ams, lai uzs\u0101ktu pl\u012b\u0161anu kontrol\u0113tos apst\u0101k\u013cos ar nelielu slodzes \u0101trumu.<\/p>\n<p data-start=\"658\" data-end=\"700\"><strong data-start=\"662\" data-end=\"698\">2. Kas ir Gravesa asaru tests?<br \/>\n<\/strong>P\u0101rr\u0101vuma iztur\u012bbas test\u0101 tiek izmantots iecirsts, hanteles formas paraugs, lai rad\u012btu sprieguma koncentr\u0101cijas punktu. Test\u0101, velkot paraugu ar nemain\u012bgu \u0101trumu, nosaka <strong data-start=\"859\" data-end=\"903\">maksim\u0101lais sp\u0113ks, pie kura s\u0101kas pl\u012b\u0161ana<\/strong>, sniedzot ieskatu par filmas iztur\u012bbu un stingr\u012bbu.<\/p>\n<p data-start=\"1666\" data-end=\"1729\"><strong data-start=\"1670\" data-end=\"1727\">3. K\u0101 ASTM D1004 at\u0161\u0137iras no citiem pl\u012bsumiztur\u012bbas testiem?<br \/>\n<\/strong>Standarts ASTM D1004 ir \u012bpa\u0161i v\u0113rsts uz <strong data-start=\"1765\" data-end=\"1784\">asaru veido\u0161an\u0101s<\/strong>, savuk\u0101rt t\u0101di testi k\u0101 ASTM D1922 nosaka <strong data-start=\"1825\" data-end=\"1845\">pl\u012bsuma izplat\u012b\u0161an\u0101s<\/strong>. T\u0101d\u0113\u013c D1004 ir \u012bpa\u0161i noder\u012bgs materi\u0101liem, kuriem iztur\u012bba pret pl\u012bsuma ra\u0161anos ir svar\u012bg\u0101ka nek\u0101 pl\u012bsuma turpm\u0101k\u0101 att\u012bst\u012bba.<\/p>\n<p data-start=\"1730\" data-end=\"1992\"><strong>4. K\u0101ds ir nepiecie\u0161amais testa \u0101trums saska\u0146\u0101 ar standartu ASTM D1004?<br \/>\n<\/strong>Rokturiem j\u0101atdal\u0101s pie <strong data-start=\"2087\" data-end=\"2111\">51 mm\/min (2 collas\/min)<\/strong>. \u0160\u0101da \u0101truma uztur\u0113\u0161ana ir b\u016btiska, lai ieg\u016btu prec\u012bzus un sal\u012bdzin\u0101mus rezult\u0101tus.<\/p>\n<p data-start=\"1730\" data-end=\"1992\"><strong>5. K\u0101ds apr\u012bkojums ir piem\u0113rots ASTM D1004 test\u0113\u0161anai?<\/strong><br \/>\nIr nepiecie\u0161ams atdal\u012b\u0161anas test\u0113t\u0101js ar nemain\u012bgu satv\u0113ruma \u0101trumu, prec\u012bzu \u0101truma regul\u0113\u0161anu un stabilu satv\u0113rumu. T\u0101di instrumenti k\u0101 <strong data-start=\"2925\" data-end=\"2969\">Cell Instruments TST-01 univers\u0101lais test\u0113t\u0101js<\/strong> nodro\u0161ina prec\u012bzus, atk\u0101rtojamus rezult\u0101tus un atbalsta vair\u0101kas pl\u0113ves test\u0113\u0161anas metodes.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D1004 Graves Tear Test of Plastic Films and Sheets ASTM D1004 plays a critical role in evaluating the tear resistance of plastic film and sheeting, helping manufacturers and quality control personnel understand how a material behaves when subjected to an initiating tear. As films become thinner, more functionalized, and widely used across packaging, medical &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/lv\/standards\/astm-d1004\/\"> <span class=\"screen-reader-text\">ASTM D1004<\/span> Las\u012bt vair\u0101k \"<\/a><\/p>","protected":false},"author":4,"featured_media":0,"parent":4948,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","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":"disabled","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":""},"class_list":["post-7580","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/lv\/wp-json\/wp\/v2\/pages\/7580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/lv\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.qualitester.com\/lv\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/lv\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/lv\/wp-json\/wp\/v2\/comments?post=7580"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/lv\/wp-json\/wp\/v2\/pages\/7580\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/lv\/wp-json\/wp\/v2\/pages\/4948"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/lv\/wp-json\/wp\/v2\/media?parent=7580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}