{"id":1352,"date":"2026-06-10T09:33:54","date_gmt":"2026-06-10T09:33:54","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=standard&#038;p=1352"},"modified":"2026-07-17T03:22:35","modified_gmt":"2026-07-17T03:22:35","slug":"astm-d1709","status":"publish","type":"standard","link":"https:\/\/www.packtests.com\/lt\/standard\/astm-d1709\/","title":{"rendered":"ASTM D1709"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Filmo atsparumo sm\u016bgiams matavimas pagal ASTM D1709 bandymo metodik\u0105<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D1709<\/strong> yra tarptautiniu mastu pripa\u017eintas dart\u0173 sm\u016bgio bandymo standartas, naudojamas plastiko pl\u0117veli\u0173 atsparumui sm\u016bgiams nustatyti taikant laisvai krintan\u010dio darto metod\u0105. \u0160io bandymo metu matuojamas krintan\u010dio darto svoris, reikalingas, kad 50% bandom\u0173j\u0173 m\u0117gini\u0173 pavir\u0161ius b\u016bt\u0173 pa\u017eeistas, o tai yra patikimas pl\u0117vel\u0117s tvirtumo, atsparumo prad\u016brimui ir atsparumo sm\u016bgiams rodiklis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lanks\u010di\u0173j\u0173 pakuo\u010di\u0173, \u017eem\u0117s \u016bkio pl\u0117veli\u0173, pramonini\u0173 \u012fd\u0117kl\u0173, medicinini\u0173 pakuo\u010di\u0173 ir vartojimo preki\u0173 pakuo\u010di\u0173 gamintojai remiasi ASTM D1709 bandymu, siekdami \u012fvertinti med\u017eiag\u0173 savybes staigaus sm\u016bgio s\u0105lygomis. Kiekybi\u0161kai \u012fvertindamos atsparum\u0105 sm\u016bgiams, laboratorijos gali optimizuoti pl\u0117veli\u0173 strukt\u016bras, palyginti med\u017eiagas, patikrinti gamybos nuoseklum\u0105 ir u\u017etikrinti produkto kokyb\u0119 prie\u0161 jo pateikim\u0105 \u012f rink\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kas yra ASTM D1709?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D1709, <em>Standartiniai plastikin\u0117s pl\u0117vel\u0117s atsparumo sm\u016bgiams bandymo metodai, taikant laisvai krintan\u010dio str\u0117lyt\u0117s metod\u0105<\/em>, nustato proced\u016bras, skirtas plastiko pl\u0117veli\u0173 atsparumui sm\u016bgiams nustatyti, naudojant pusrutulio formos str\u0117l\u0119, metam\u0105 i\u0161 nurodyto auk\u0161\u010dio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bandymo rezultatas rodo str\u0117l\u0117s mas\u0119, kuri, remiantis statistiniais duomenimis, kontroliuojamomis bandymo s\u0105lygomis sukelia 50% bandini\u0173 gedim\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is standartas apima:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A bandymo metodas<\/strong><\/li>\n\n\n\n<li><strong>Bandymo metodas B<\/strong><\/li>\n\n\n\n<li><strong>Laipt\u0173 bandymo metodika<\/strong><\/li>\n\n\n\n<li><strong>Alternatyvus grupinis tyrimo metodas<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is metodas pla\u010diai taikomas kokyb\u0117s kontrolei, produkt\u0173 k\u016brimui, med\u017eiag\u0173 palyginimui ir specifikacij\u0173 patikrinimui.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1709 bandymo principas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is bandymas matuoja sm\u016bgio energij\u0105, reikaling\u0105 pl\u0117vel\u0117s bandinio ply\u0161imui.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pusrutulio formos str\u0117l\u0117 paleid\u017eiama i\u0161 nurodyto auk\u0161\u010dio ir atsitrenkia \u012f pritvirtint\u0105 pl\u0117vel\u0117s bandin\u012f. Priklausomai nuo to, ar bandinys i\u0161laiko bandym\u0105, ar ne, str\u0117l\u0117s svoris koreguojamas pagal pasirinkt\u0105 bandymo proced\u016br\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Po daugkartini\u0173 kritim\u0173 sistema apskai\u010diuoja str\u0117l\u0117s mas\u0119, atitinkan\u010di\u0105 50% tikimyb\u0119, kad bandinys sugad\u0117s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gauta vert\u0117 yra atsparumo sm\u016bgiams kiekybinis rodiklis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1709 bandymo metodas A ir metodas B<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Parametras<\/th><th class=\"has-text-align-center\" data-align=\"center\">A metodas<\/th><th class=\"has-text-align-center\" data-align=\"center\">B metodas<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u201eDart\u201c skersmuo<\/td><td class=\"has-text-align-center\" data-align=\"center\">38 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">50 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Kritimo auk\u0161tis<\/td><td class=\"has-text-align-center\" data-align=\"center\">660 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">1520 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Atsparumo sm\u016bgiams diapazonas<\/td><td class=\"has-text-align-center\" data-align=\"center\">Apie 50 g \u2013 6 kg<\/td><td class=\"has-text-align-center\" data-align=\"center\">Apie 300 g \u2013 6 kg<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Tipiniai taikymo atvejai<\/td><td class=\"has-text-align-center\" data-align=\"center\">Bendrosios paskirties pakavimo pl\u0117vel\u0117s<\/td><td class=\"has-text-align-center\" data-align=\"center\">Did\u017eiausi\u0105 poveik\u012f turintys filmai<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Rekomendacijos d\u0117l svorio didinimo<\/td><td class=\"has-text-align-center\" data-align=\"center\">Apie 15% gedimo mas\u0117s<\/td><td class=\"has-text-align-center\" data-align=\"center\">Apie 5\u201315% gedimo mas\u0117s<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">A metodas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A metode naudojama:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>38 mm pusrutulio formos \u012fsiuvas<\/li>\n\n\n\n<li>660 mm kritimo auk\u0161tis<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is metodas da\u017eniausiai taikomas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polietileno pl\u0117vel\u0117s<\/li>\n\n\n\n<li>Pakuot\u0117s pl\u0117vel\u0117s<\/li>\n\n\n\n<li>Elastin\u0117s pl\u0117vel\u0117s<\/li>\n\n\n\n<li>\u017dem\u0117s \u016bkio pl\u0117vel\u0117s<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">B metodas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B metode naudojama:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>50 mm pusrutulio formos i\u0161kirpt\u0117<\/li>\n\n\n\n<li>1520 mm kritimo auk\u0161tis<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160i konfig\u016bracija tinka:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Auk\u0161tos atsparumo pl\u0117vel\u0117s<\/li>\n\n\n\n<li>Pramoniniai \u012fd\u0117klai<\/li>\n\n\n\n<li>Storesn\u0117s plastikin\u0117s konstrukcijos<\/li>\n\n\n\n<li>Ypa\u010d tvirtos pakavimo med\u017eiagos<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1709 Laipt\u0173 bandymo metodika<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eLaipt\u0173\u201c metodas yra da\u017eniausiai taikoma proced\u016bra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bandymo proced\u016bra<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Pasirinkite metod\u0105 A arba metod\u0105 B.<\/li>\n\n\n\n<li>I\u0161matuokite bandinio stor\u012f.<\/li>\n\n\n\n<li>Pasirinkite pradin\u012f str\u0117l\u0117s svor\u012f, artim\u0105 numatomai l\u016b\u017eio ribai.<\/li>\n\n\n\n<li>Tvirtai pritvirtinkite bandin\u012f.<\/li>\n\n\n\n<li>I\u0161leisk str\u0117l\u0119.<\/li>\n\n\n\n<li>U\u017eregistruokite, ar i\u0161laik\u0117, ar nei\u0161laik\u0117.<\/li>\n\n\n\n<li>Nustatykite dart\u0173 svor\u012f:\n<ul class=\"wp-block-list\">\n<li>Nes\u0117km\u0117 \u2192 svorio suma\u017e\u0117jimas<\/li>\n\n\n\n<li>Jei nes\u0117km\u0117s n\u0117ra \u2192 padidinkite svor\u012f<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>T\u0119skite bandymus, kol bus pasiektas reikiamas gedim\u0173 ir s\u0117kming\u0173 bandym\u0173 skai\u010dius.<\/li>\n\n\n\n<li>Apskai\u010diuokite 50% gedimo svor\u012f.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Privalumai<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Veiksmingas testavimas<\/li>\n\n\n\n<li>Suma\u017eintas m\u0117gini\u0173 sunaudojimas<\/li>\n\n\n\n<li>Auk\u0161tas statistinis patikimumas<\/li>\n\n\n\n<li>Puikus pakartojamumas<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Alternatyvus \u201eDart\u201c kritimo bandymo metodas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pagal alternatyvi\u0105 proced\u016br\u0105 m\u0117giniai vertinami de\u0161im\u010di\u0173 grup\u0117mis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Proced\u016bros ap\u017evalga<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tyrimas atliekamas su de\u0161im\u010dia bandini\u0173, naudojant vien\u0105 str\u0117l\u0117s svor\u012f.<\/li>\n\n\n\n<li>Apskai\u010diuojamas gedim\u0173 procentas.<\/li>\n\n\n\n<li>Dart\u0173 svoris koreguojamas atsi\u017evelgiant \u012f v\u0117lesnes grupes.<\/li>\n\n\n\n<li>Bandymas t\u0119siamas tol, kol bus surinkta pakankamai duomen\u0173 ta\u0161k\u0173 tarp 0% ir 100% gedimo.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is metodas da\u017enai taikomas tais atvejais, kai laboratorijoms reikia atlikti i\u0161samesn\u012f med\u017eiagos savybi\u0173 statistin\u012f vertinim\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Reikalavimai bandomajam m\u0117giniui<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Norint atlikti patikimus bandymus pagal ASTM D1709 standart\u0105:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bandini\u0173 paruo\u0161imas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pl\u0117vel\u0117 netur\u0117t\u0173 b\u016bti susirauk\u0161l\u0117jusi ar susirauk\u0161l\u0117jusi.<\/li>\n\n\n\n<li>Reik\u0117t\u0173 vengti pavir\u0161iaus u\u017eter\u0161imo.<\/li>\n\n\n\n<li>M\u0117giniai turi atitikti tikr\u0105j\u0105 gamybin\u0119 med\u017eiag\u0105.<\/li>\n\n\n\n<li>Reikia i\u0161matuoti ir u\u017era\u0161yti stor\u012f.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Rekomenduojamas m\u0117ginio dydis<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Didesnis nei 150 mm \u00d7 150 mm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tinkamas m\u0117gini\u0173 paruo\u0161imas \u017eymiai pagerina tyrimo pakartojamum\u0105 ir atkuriamum\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kod\u0117l reikia atlikti str\u0117li\u0173 sm\u016bgio bandym\u0105?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Plastikin\u0117s pl\u0117vel\u0117s da\u017enai patiria sm\u016bgius:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pakuot\u0117s gamybos operacijos<\/li>\n\n\n\n<li>Transportas ir logistika<\/li>\n\n\n\n<li>Sand\u0117liavimas<\/li>\n\n\n\n<li>Elgesys su vartotojais<\/li>\n\n\n\n<li>Automatizuoti pildymo procesai<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dart sm\u016bgio bandymas padeda gamintojams suprasti, kaip pl\u0117vel\u0117 elgiasi, kai jai veikia staigios mechanin\u0117s j\u0117gos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pagrindiniai privalumai<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u012evertinti pl\u0117vel\u0117s atsparum\u0105<\/li>\n\n\n\n<li>Palyginkite skirtingas derv\u0173 sud\u0117tis<\/li>\n\n\n\n<li>Patikrinti gamybos nuoseklum\u0105<\/li>\n\n\n\n<li>Daugiasluoksni\u0173 pl\u0117veli\u0173 strukt\u016br\u0173 optimizavimas<\/li>\n\n\n\n<li>Suma\u017einti siuntini\u0173 gedimus platinimo metu<\/li>\n\n\n\n<li>Remti produkt\u0173 k\u016brim\u0105 ir med\u017eiag\u0173 parinkim\u0105<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1709 krentan\u010dio str\u0117lyt\u0117s sm\u016bgio bandymo \u012frenginys i\u0161 Cell Instruments<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eCell Instruments\u201c teikia profesionalias <strong><a href=\"https:\/\/www.packtests.com\/lt\/product\/falling-dart-impact-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u201eDart\u201c sm\u016bgio bandymo \u012frenginys<\/a><\/strong> sukurtas siekiant u\u017etikrinti atitikt\u012f ASTM D1709 standartui ir atlikti \u012fprastus laboratorinius tyrimus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pa\u017eangi\u0173 technologij\u0173 integravimas<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">PLC valdymas ir valdymas per jutiklin\u012f ekran\u0105<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pramonini\u0173 PLC architekt\u016bra<\/li>\n\n\n\n<li>7 coli\u0173 HMI jutiklinis ekranas<\/li>\n\n\n\n<li>Intuityvus valdymas<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Automatinis rezultat\u0173 skai\u010diavimas<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Sistema automati\u0161kai apskai\u010diuoja atsparumo sm\u016bgiams rodiklius po bandym\u0173, kuriuose nustatoma, ar gaminys atitinka reikalavimus, ar ne, taip suma\u017eindama operatoriaus darbo kr\u016bv\u012f ir iki minimumo suma\u017eindama skai\u010diavimo klaidas.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Elektromagnetinis str\u0117li\u0173 paleidimo mechanizmas<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stabili dart\u0173 pakaba<\/li>\n\n\n\n<li>Nuoseklios i\u0161leidimo s\u0105lygos<\/li>\n\n\n\n<li>Pagerintas pakartojamumas<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Pneumatinis m\u0117gini\u0173 fiksavimas<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vienodas m\u0117gini\u0173 laikymas<\/li>\n\n\n\n<li>Suma\u017einta operatoriaus \u012ftaka<\/li>\n\n\n\n<li>Didesnis tyrim\u0173 nuoseklumas<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Galimyb\u0117 taikyti dvigub\u0105 bandymo metod\u0105<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Funkcija<\/th><th class=\"has-text-align-center\" data-align=\"center\">Konfig\u016bracija<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">A metodas<\/td><td class=\"has-text-align-center\" data-align=\"center\">Standartinis<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">B metodas<\/td><td class=\"has-text-align-center\" data-align=\"center\">Neprivaloma<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Automatiniai skai\u010diavimai<\/td><td class=\"has-text-align-center\" data-align=\"center\">Taip<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Pneumatinis fiksavimas<\/td><td class=\"has-text-align-center\" data-align=\"center\">Taip<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Valdymas per jutiklin\u012f ekran\u0105<\/td><td class=\"has-text-align-center\" data-align=\"center\">Taip<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Saugos ir na\u0161umo funkcijos<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Valdymas p\u0117dos jungikliu<\/li>\n\n\n\n<li>Mygtukas \u201eAktyvuoti test\u0105\u201c<\/li>\n\n\n\n<li>Steb\u0117jimo ap\u0161vietimas<\/li>\n\n\n\n<li>Papildomas mikrospausdintuvas<\/li>\n\n\n\n<li>Pasirenkama programin\u0117s \u012frangos integracija<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Techniniai duomenys<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Prek\u0117<\/th><th class=\"has-text-align-center\" data-align=\"center\">Techniniai duomenys<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Tyrimo metodas<\/td><td class=\"has-text-align-center\" data-align=\"center\">A metodas \/ B metodas (pasirinktinai)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Bandym\u0173 diapazonas<\/td><td class=\"has-text-align-center\" data-align=\"center\">A metodas: 50\u20132000 g<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\">B metodas: 300\u20132000 g<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u201eDart\u201c skersmuo<\/td><td class=\"has-text-align-center\" data-align=\"center\">A metodas: 38 \u00b1 1 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\">B metodas: 50 \u00b1 1 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Sm\u016bgio auk\u0161tis<\/td><td class=\"has-text-align-center\" data-align=\"center\">660 mm \/ 1500 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Tikslumas<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,1 g (0,1 J)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Fiksavimo sistema<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pneumatinis<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u201eAir Supply\u201c<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,6 MPa<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">M\u0117ginio dydis<\/td><td class=\"has-text-align-center\" data-align=\"center\">&gt;150 mm \u00d7 150 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Maitinimo \u0161altinis<\/td><td class=\"has-text-align-center\" data-align=\"center\">110\u2013220 V kintamosios srov\u0117s, 50 Hz<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"400\" height=\"600\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/06\/\u672a\u547d\u540d.webp\" alt=\"ASTM D1709 krintan\u010dio str\u0117lyt\u0117s sm\u016bgio bandymo \u012frenginys | Str\u0117lyt\u0117s sm\u016bgio bandymo standartas\" class=\"wp-image-1356\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/06\/\u672a\u547d\u540d.webp 400w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/06\/\u672a\u547d\u540d-200x300.webp 200w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/06\/\u672a\u547d\u540d-8x12.webp 8w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Tinkamo dart\u0173 sm\u016bgio bandymo \u012frenginio pasirinkimas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Renkantis ASTM D1709 bandym\u0173 sistem\u0105, laboratorijos tur\u0117t\u0173 atsi\u017evelgti \u012f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Atitiktis ASTM D1709 reikalavimams<\/li>\n\n\n\n<li>A metodo ir B metodo palaikymas<\/li>\n\n\n\n<li>Automatizavimo lygis<\/li>\n\n\n\n<li>Duomen\u0173 tvarkymo galimyb\u0117s<\/li>\n\n\n\n<li>Tyrim\u0173 na\u0161umas<\/li>\n\n\n\n<li>Kalibravimo ir technin\u0117s prie\u017ei\u016bros reikalavimai<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160iuolaikinis str\u0117li\u0173 sm\u016bgio bandymo \u012frenginys padeda padidinti bandym\u0173 efektyvum\u0105 ir kartu u\u017etikrina tikslius bei pakartojamus rezultatus, reikalingus kokyb\u0117s kontrolei ir mokslini\u0173 tyrim\u0173 bei pl\u0117tros tikslams.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/store.astm.org\/d1709-24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D1709<\/a> teb\u0117ra vienas i\u0161 svarbiausi\u0173 standart\u0173, skirt\u0173 plastiko pl\u0117veli\u0173 atsparumui sm\u016bgiams \u012fvertinti. Atlikdami standartizuotus laisvo kritimo str\u0117li\u0173 bandymus, gamintojai gali kiekybi\u0161kai \u012fvertinti pl\u0117vel\u0117s atsparum\u0105 sm\u016bgiams, pagerinti produkto savybes, suma\u017einti pakavimo gedim\u0173 skai\u010di\u0173 ir u\u017etikrinti pastovi\u0105 gamybos kokyb\u0119. Nesvarbu, ar jis naudojamas kokyb\u0117s u\u017etikrinimui, produkt\u0173 k\u016brimui ar med\u017eiag\u0173 palyginimui, patikimas str\u0117li\u0173 sm\u016bgio bandymo \u012frenginys yra b\u016btinas \u012frankis \u0161iuolaikin\u0117se pl\u0117veli\u0173 bandym\u0173 laboratorijose.<\/p>","protected":false},"excerpt":{"rendered":"<p>Measure Film Impact Resistance with ASTM D1709 Testing ASTM D1709 is the internationally recognized dart impact test standard used to determine the impact resistance of plastic films through the free-falling dart method. The test measures the weight of a falling dart required to cause failure in 50% of tested specimens, providing a reliable indicator of [&hellip;]<\/p>","protected":false},"featured_media":1356,"parent":0,"template":"","meta":{"_acf_changed":false},"standard-category":[],"class_list":["post-1352","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/standard\/1352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/types\/standard"}],"version-history":[{"count":5,"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/standard\/1352\/revisions"}],"predecessor-version":[{"id":1717,"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/standard\/1352\/revisions\/1717"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/media\/1356"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/media?parent=1352"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/standard-category?post=1352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}