{"id":9863,"date":"2026-02-24T15:11:46","date_gmt":"2026-02-24T07:11:46","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d1004\/"},"modified":"2026-04-16T09:53:04","modified_gmt":"2026-04-16T01:53:04","slug":"astm-d1004","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/lt\/standard\/astm-d1004\/","title":{"rendered":"ASTM D1004"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ASTM D1004 ir Graveso atsparumo ply\u0161imui bandymas<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Graveso a\u0161aros - K\u0105 tai rei\u0161kia<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"1299\" data-end=\"1314\">Graveso a\u0161ara<\/strong> bandymu \u012fvertinama j\u0117ga, kurios reikia, kad <strong data-start=\"1352\" data-end=\"1372\">inicijuoti ply\u0161im\u0105<\/strong> i\u0161pjautame pavyzdyje. Skirtingai nuo kit\u0173 ply\u0161imo metod\u0173, kuriais matuojamas plitimas, \u0161iuo metodu daugiausia d\u0117mesio skiriama <em data-start=\"1475\" data-end=\"1504\">akimirka, kai prasideda a\u0161arojimas<\/em>, leid\u017eiantis suprasti \u012ftempi\u0173 koncentracijos reakcij\u0105 ir med\u017eiagos atsparum\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Plastikini\u0173 pl\u0117veli\u0173 ir lak\u0161t\u0173 atsparumo ply\u0161imui bandymas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"1642\" data-end=\"1666\">atsparumo ply\u0161imui bandymas<\/strong> pagal ASTM D1004 standart\u0105 naudojama tiksliai apibr\u0117\u017eta bandinio geometrija, ma\u017eas apkrovos greitis <em data-start=\"1750\" data-end=\"1761\">51 mm\/min<\/em>, ir pastovaus sukibimo grei\u010dio atskyrimo ma\u0161ina. Tokia konfig\u016bracija u\u017etikrina, kad bandymas atspind\u0117t\u0173 tikr\u0105j\u0105 med\u017eiagos elgsen\u0105 ir neu\u017emaskuot\u0173 tr\u016bkum\u0173, atsirandan\u010di\u0173 d\u0117l storio svyravim\u0173 ar vietini\u0173 defekt\u0173.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kod\u0117l svarbus plastikini\u0173 pl\u0117veli\u0173 ir lak\u0161t\u0173 atsparumas ply\u0161imui<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong data-start=\"2024\" data-end=\"2069\">plastikin\u0117s pl\u0117vel\u0117s ir lak\u0161t\u0173 atsparumas ply\u0161imui<\/strong> turi \u012ftakos pagrindiniams veiklos veiksniams:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pakuot\u0117s patvarumas tvarkant<\/li>\n\n\n\n<li>Atsparumas prad\u016brimo sukeltiems gedimams<\/li>\n\n\n\n<li>Sandariklio i\u0161silaikymas veikiant mechanin\u0117ms apkrovoms<\/li>\n\n\n\n<li>Tinkamumas naudoti medicinoje, farmacijoje, maisto pramon\u0117je ar pramon\u0117je<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kadangi atsparumas ply\u0161imui priklauso nuo polimero sud\u0117ties, orientacijos ir apdirbimo s\u0105lyg\u0173, ASTM D1004 si\u016blo standartizuot\u0105 ir patikim\u0105 b\u016bd\u0105 palyginti pana\u0161aus storio med\u017eiagas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pagrindiniai ASTM D1004 standarto principai ir bandymo s\u0105lygos<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Kontroliuojama apkrova ir bandini\u0173 geometrija<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pagal ASTM D1004 standart\u0105 reikalaujama, kad bandinio forma b\u016bt\u0173 tokia, kad <strong data-start=\"2678\" data-end=\"2702\">\u012ftempi\u0173 koncentracija<\/strong> \u0161alia \u012fpjovos. Tai leid\u017eia \u012ftr\u016bkim\u0105 atlikti apibr\u0117\u017etoje srityje, tod\u0117l galima pakartoti net ir lanks\u010di\u0173 pl\u0117veli\u0173 rezultatus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Did\u017eiausia apkrova kaip atsparumo ply\u0161imui vert\u0117<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <em data-start=\"2875\" data-end=\"2918\">did\u017eiausia j\u0117ga, pasteb\u0117ta ply\u0161imo prad\u017eioje<\/em> rodo med\u017eiagos atsparum\u0105 ply\u0161imui. Svarbu tai, kad standarte nurodyta, jog ply\u0161imo j\u0117gos tur\u0117t\u0173 <strong data-start=\"3022\" data-end=\"3029\">ne<\/strong> normalizuoti pagal stor\u012f, nes tai gali lemti netikslias i\u0161vadas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Materialiniai apribojimai<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D1004 geriausia taikyti, kai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Filmas <strong data-start=\"3202\" data-end=\"3239\">nesuyra trapiai.<\/strong><\/li>\n\n\n\n<li>Med\u017eiagos pl\u0117tinys yra <strong data-start=\"3270\" data-end=\"3288\">ma\u017eiau nei 200%<\/strong><\/li>\n\n\n\n<li>Storio svyravimai nevir\u0161ija <strong data-start=\"3328\" data-end=\"3336\">\u00b110%<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160ie apribojimai padeda i\u0161laikyti rezultat\u0173 patikimum\u0105 ir i\u0161vengti klaid\u0173, atsirandan\u010di\u0173 d\u0117l ekstremalaus pailg\u0117jimo ar l\u016b\u017eio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1004 bandymo proced\u016bros \u017eingsnis po \u017eingsnio<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Bandini\u0173 paruo\u0161imas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Paruo\u0161kite bandinius pagal standartizuotus matmenis ir \u012fpjovos geometrij\u0105. Siekdami didesnio tikslumo, matuokite stor\u012f keliuose \u012fpjovos srities ta\u0161kuose.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Ma\u0161inos nustatymai<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pradinis sukibimo atskyrimas: <strong data-start=\"3784\" data-end=\"3795\">25,4 mm<\/strong><\/li>\n\n\n\n<li>Su\u0117mimo greitis: <strong data-start=\"3815\" data-end=\"3828\">51 mm\/min<\/strong><\/li>\n\n\n\n<li>Pastovaus su\u0117mimo grei\u010dio atskyrimo re\u017eimas<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Pad\u0117ties nustatymas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">I\u0161lyginkite ilg\u0105j\u0105 bandinio a\u0161\u012f su ranken\u0173 vidurio linija, kad b\u016bt\u0173 i\u0161vengta sukimo ar netolygaus apkrovimo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Testo vykdymas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tempkite bandin\u012f tol, kol jis visi\u0161kai ply\u0161. \u012erenginys \u012fra\u0161o apkrovos ir laiko arba apkrovos ir poslinkio duomenis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Duomen\u0173 registravimas ir skai\u010diavimas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Did\u017eiausia u\u017eregistruota ply\u0161imo apkrova <strong data-start=\"4222\" data-end=\"4251\">trys reik\u0161miniai skai\u010diai<\/strong><\/li>\n\n\n\n<li>Did\u017eiausias \u012fregistruotas prat\u0119simas <strong data-start=\"4289\" data-end=\"4316\">du reik\u0161miniai skai\u010diai<\/strong><\/li>\n\n\n\n<li>Vidutinis ir standartinis nuokrypis, apskai\u010diuotas kiekvienai pl\u0117vel\u0117s orientacijai<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Tinkamo Graveso a\u0161ar\u0173 testerio pasirinkimas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Norint gauti stabilius ir labai tikslius ply\u0161imo prad\u017eios duomenis, b\u016btina naudoti tinkam\u0105 \u012frang\u0105. \u0160iuolaikin\u0117 bandym\u0173 ma\u0161ina turi u\u017etikrinti tiksl\u0173 j\u0117gos matavim\u0105, stabil\u0173 pavaros valdym\u0105, tinkam\u0105 rankenos i\u0161lyginim\u0105 ir pritaikomus bandini\u0173 laikiklius.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Siekdami pad\u0117ti laboratorijoms veiksmingai laikytis \u0161i\u0173 reikalavim\u0173, <strong data-start=\"4890\" data-end=\"4928\">Cell Instruments si\u016blo TST-01<\/strong>, universali tempimo ir ply\u0161imo bandym\u0173 sistema, skirta daugkartinei pl\u0117vel\u0117s analizei. TST-01 pasi\u017eymi tiksliu grei\u010dio valdymu, stand\u017eia r\u0117mo konstrukcija ir specialiais laikikliais, tinkamais <strong data-start=\"5128\" data-end=\"5156\">Graveso a\u0161ar\u0173 matavimai<\/strong>, tod\u0117l tai puikus pasirinkimas \u012fmon\u0117ms, siekian\u010dioms visi\u0161kai atitikti ASTM D1004 standarto reikalavimus ir kartu pagerinti bandym\u0173 eig\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tSusisiekite su mumis Gaukite ASTM D1004 testavimo sprendim\u0105\t\t\t\t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Laboratorijoms, siekian\u010dioms u\u017etikrinti patikim\u0105, pakartojam\u0105 ir veiksming\u0105 atitikt\u012f <a href=\"https:\/\/www.astm.org\/d1004-21.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong>ASTM D1004<\/strong><\/a>, pa\u017eang\u016bs sprendimai, pvz. <strong data-start=\"6087\" data-end=\"6114\">Cell Instruments TST-01<\/strong> suteikia didel\u0119 vert\u0119 ir padeda u\u017etikrinti auk\u0161tus med\u017eiag\u0173 eksploatacini\u0173 savybi\u0173 vertinimo standartus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D1004 ir Graveso ply\u0161imo ir atsparumo ply\u0161imui bandymas Graveso ply\u0161imas - k\u0105 jis matuoja Graveso ply\u0161imo bandymu \u012fvertinama j\u0117ga, kurios reikia, kad \u012fpjovus bandin\u012f prasid\u0117t\u0173 ply\u0161imas. Skirtingai nuo kit\u0173 ply\u0161imo metod\u0173, kuriais matuojamas plitimas, \u0161iuo metodu daugiausia d\u0117mesio skiriama ply\u0161imo prad\u017eios momentui, tod\u0117l galima nustatyti \u012ftempi\u0173 koncentracijos reakcij\u0105 ir med\u017eiagos atsparum\u0105. [...]<\/p>","protected":false},"featured_media":8068,"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":""}}},"standard-category":[611],"class_list":["post-9863","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard\/9863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media\/8068"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media?parent=9863"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard-category?post=9863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}