{"id":1444,"date":"2026-07-23T07:28:24","date_gmt":"2026-07-23T07:28:24","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=standard&#038;p=1444"},"modified":"2026-07-23T07:28:25","modified_gmt":"2026-07-23T07:28:25","slug":"astm-d689","status":"publish","type":"standard","link":"https:\/\/www.packtests.com\/lt\/standard\/astm-d689\/","title":{"rendered":"ASTM D689"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Med\u017eiagos patvarumas yra esminis kokyb\u0117s veiksnys pakuo\u010di\u0173, popieriaus gamini\u0173 ir lanks\u010di\u0173 med\u017eiag\u0173 srityje. <strong>ASTM D689<\/strong> yra pripa\u017eintas bandymo metodas, naudojamas popieriaus ir pana\u0161i\u0173 lak\u0161tini\u0173 med\u017eiag\u0173 atsparumui \u012fpl\u0117\u0161imui \u012fvertinti, matuojant j\u0117g\u0105, reikaling\u0105 esamam \u012fpl\u0117\u0161imui i\u0161pl\u0117sti. \u0160is metodas grind\u017eiamas <strong>Elmendorfo ply\u0161imas<\/strong> principas, pagal kur\u012f \u0161vytuoklinis mechanizmas matuoja energijos nuostolius, kai kontroliuojamomis s\u0105lygomis i\u0161ilgai t\u0119siasi bandinio \u012ftr\u016bkim\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Popierini\u0173 mai\u0161eli\u0173, kartonini\u0173 d\u0117\u017ei\u0173, etike\u010di\u0173, \u012fvyniojimo popieriaus ir pramonini\u0173 popieriaus gamini\u0173 gamintojams yra labai svarbu suprasti atsparum\u0105 ply\u0161imui, siekiant i\u0161vengti med\u017eiagos gedim\u0173 perdirbimo, transportavimo ir galutinio naudojimo metu. Patikimas <strong>popierinio mai\u0161elio atsparumo ply\u0161imui bandymas<\/strong> Med\u017eiag\u0173 \u017einios padeda in\u017einieriams pasirinkti tinkamas \u017ealiavas, optimizuoti gamybos procesus ir u\u017etikrinti pastovi\u0105 produkto kokyb\u0119.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160iuolaikin\u0117se laboratorijose naudojami specializuoti prietaisai, tokie kaip Cell Instruments <strong>SLD-01 Atsparumo ply\u0161imui bandymo \u012frenginys<\/strong> siekiant atlikti tikslius atsparumo ply\u0161imui matavimus. Derindamos automatin\u012f veikim\u0105, kontroliuojam\u0105 \u0161vytuokl\u0117s paleidim\u0105 ir skaitmenin\u0119 duomen\u0173 analiz\u0119, pa\u017eangios bandym\u0173 sistemos u\u017etikrina didesn\u012f pakartojamum\u0105 ir atitinka kokyb\u0117s kontrol\u0117s reikalavimus \u012fvairiose pramon\u0117s \u0161akose.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kas yra ASTM D689 atsparumo \u012fpl\u0117\u0161imui bandymas?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D689<\/strong> apra\u0161omas \u0161vytuoklinio tipo ply\u0161imo bandymo metodas, skirtas popieriaus ir pana\u0161i\u0173 lak\u0161tini\u0173 med\u017eiag\u0173 vidiniam atsparumui ply\u0161imui nustatyti. \u0160iuo bandymu vertinamas bandinio geb\u0117jimas atsispirti esamo \u012fpjovimo t\u0119simuisi, kai jam veikia ply\u0161imo j\u0117ga.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Skirtingai nuo tempimo bandymo, kurio metu matuojama j\u0117ga, reikalinga med\u017eiagai visi\u0161kai sulau\u017eyti, ply\u0161imo bandymas skirtas \u012fvertinti \u012ftr\u016bkio plitimo savybes. Med\u017eiaga gali tur\u0117ti pakankam\u0105 tempimo stiprum\u0105, ta\u010diau vis tiek blogai atlaikyti ply\u0161im\u0105, jei naudojimo metu atsiranda defekt\u0173, \u012fpjovim\u0173 ar \u012ftempi\u0173 sankaup\u0173.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-sld-elmendorf-tear-tester.webp\" alt=\"ASTM D689 SLD-01\" class=\"wp-image-1446\" style=\"width:267px;height:auto\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-sld-elmendorf-tear-tester.webp 600w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-sld-elmendorf-tear-tester-300x300.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-sld-elmendorf-tear-tester-150x150.webp 150w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-sld-elmendorf-tear-tester-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D689 metodas yra ypa\u010d svarbus tais atvejais, kai popieriniai gaminiai patiria mechanin\u012f poveik\u012f juos tvarkant, \u012fskaitant:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Popieriniai pirkini\u0173 mai\u0161eliai<\/li>\n\n\n\n<li>Pramoniniai mai\u0161ai<\/li>\n\n\n\n<li>Pakuot\u0117s popierius<\/li>\n\n\n\n<li>\u012epakavimo med\u017eiagos<\/li>\n\n\n\n<li>Popierin\u0117s etiket\u0117s<\/li>\n\n\n\n<li>Gofruotosios pakuot\u0117s komponentai<\/li>\n\n\n\n<li>Specialieji straipsniai<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is bandymas suteikia kiekybinius duomenis apie atsparum\u0105 ply\u0161imui, kurie padeda gamintojams palyginti med\u017eiagas, steb\u0117ti gamybos nuoseklum\u0105 ir didinti pakuo\u010di\u0173 patikimum\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Elmendorfo ply\u0161imo principo supratimas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Svetain\u0117 <strong>Elmendorfo ply\u0161imas<\/strong> \u0160is metodas buvo sukurtas remiantis principu, kur\u012f XX a. ketvirtajame de\u0161imtmetyje \u012fved\u0117 Arminas Elmendorfas. Jis teb\u0117ra pla\u010diai naudojamas d\u0117l savo paprastos mechanin\u0117s konstrukcijos ir patikimo matavimo metodo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pagrindinis principas grind\u017eiamas \u0161vytuokle, kurios energijos talpa yra \u017einoma. Paruo\u0161tas bandinys \u012ftvirtinamas tarp dviej\u0173 spaustuv\u0173, o jame i\u0161pjaunama i\u0161 anksto numatyta \u012fpjova. Paleidus \u0161vytuokl\u0119, ji perpl\u0117\u0161ia bandin\u012f per nustatyt\u0105 atstum\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0161arojimo metu:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u0160vytuokl\u0117 praranda potenciali\u0105 energij\u0105.<\/li>\n\n\n\n<li>Energijos nuostolis atitinka darb\u0105, reikaling\u0105 \u012ftr\u016bkimui i\u0161pl\u0117sti.<\/li>\n\n\n\n<li>\u0160is prietaisas \u0161i\u0105 energij\u0105 paver\u010dia atsparumo ply\u0161imui verte.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Rezultatas paprastai i\u0161rei\u0161kiamas taip:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mN (milineutonai)<\/li>\n\n\n\n<li>gf (gramas-j\u0117ga)<\/li>\n\n\n\n<li>A\u0161arojimo indeksas (popieriaus pramon\u0117s reikm\u0117ms)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Didesni atsparumo ply\u0161imui rodikliai rodo, kad med\u017eiagai toliau ply\u0161ti reikia daugiau energijos, o tai paprastai rei\u0161kia didesn\u012f atsparum\u0105 mechaniniams pa\u017eeidimams.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kod\u0117l reikia atlikti popierini\u0173 mai\u0161eli\u0173 med\u017eiag\u0173 atsparumo ply\u0161imui bandym\u0105?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Popieriniai mai\u0161eliai patiria \u012fvairias j\u0117gas juos pildant, gabenant, sukraunant ir vartotojams juos naudojant. Silpnas atsparumas ply\u0161imui gali sukelti staigius gedimus net ir tuomet, kai bendras popieriaus stiprumas atrodo pakankamas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>popierinio mai\u0161elio atsparumo ply\u0161imui bandymas<\/strong> med\u017eiagos padeda gamintojams \u012fvertinti:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Med\u017eiag\u0173 pasirinkimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Skirting\u0173 r\u016b\u0161i\u0173 popierius skiriasi pluo\u0161to strukt\u016bra, ploto svoriu, danga ir gamybos procesais. Atsparumo ply\u0161imui bandymai leid\u017eia in\u017einieriams palyginti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kraftinis popierius<\/li>\n\n\n\n<li>Perdirbtas popierius<\/li>\n\n\n\n<li>Lakuotas popierius<\/li>\n\n\n\n<li>Daugiasluoksn\u0117s popierin\u0117s strukt\u016bros<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">ir pasirinkti konkre\u010dioms paskirtims tinkamas med\u017eiagas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pakuot\u0117s patikimumas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Popieriniai mai\u0161eliai turi atlaikyti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Svorio apkrova<\/li>\n\n\n\n<li>Poveiki\u0173 valdymas<\/li>\n\n\n\n<li>Kra\u0161to pa\u017eeidimas<\/li>\n\n\n\n<li>Sulenkimo \u012ftempis<\/li>\n\n\n\n<li>Aplinkos poky\u010diai<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Atsparumo ply\u0161imui duomenys yra svarbus pakuot\u0117s patvarumo rodiklis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Proces\u0173 optimizavimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pakeitimai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pluo\u0161to sud\u0117tis<\/li>\n\n\n\n<li>Rafinavimo laipsnis<\/li>\n\n\n\n<li>Priedai<\/li>\n\n\n\n<li>Dang\u0173 sud\u0117tys<\/li>\n\n\n\n<li>D\u017eiovinimo s\u0105lygos<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">gali smarkiai paveikti a\u0161ar\u0173 savybes. Reguliar\u016bs bandymai leid\u017eia gamintojams u\u017etikrinti pastovi\u0105 gamybos kokyb\u0119.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D689 bandymo principas ir tvarka<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tipinis ASTM D689 atsparumo \u012fpl\u0117\u0161imui bandymas apima kelet\u0105 kontroliuojam\u0173 etap\u0173.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. M\u0117gini\u0173 paruo\u0161imas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Popierinis bandinys paruo\u0161iamas pagal nustatytus matmenis. Bandinyje atliekamas standartizuotas pradinis pj\u016bvis, siekiant sukurti ply\u0161imo plitimo prad\u017eios ta\u0161k\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tinkamas m\u0117gini\u0173 paruo\u0161imas yra itin svarbus, nes svyravimai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pjovimo tikslumas<\/li>\n\n\n\n<li>Pavyzd\u017eio matmenys<\/li>\n\n\n\n<li>Kondicionavimo s\u0105lygos<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">gali tur\u0117ti \u012ftakos tyrimo rezultatams.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. M\u0117ginio tvirtinimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Paruo\u0161tas bandinys tvirtai \u012ftvirtinamas tarp prietaiso spaustuv\u0173.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vienodas prispaudimo sl\u0117gis yra svarbus, nes nevienodas prispaudimas gali sukelti bandym\u0173 paklaidas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u0160vytuokl\u0117s paleidimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160vytuokl\u0117 paleid\u017eiama i\u0161 kontroliuojamos pradin\u0117s pad\u0117ties. Jai svyruojant \u017eemyn, ji i\u0161ple\u010dia esam\u0105 \u012ftr\u016bkim\u0105 bandinyje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Automatin\u0117s i\u0161leidimo sistemos padeda pa\u0161alinti operatoriaus \u012ftak\u0105 ir pagerinti pakartojamum\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Energijos matavimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Testeris matuoja energij\u0105, suvartojam\u0105 pl\u0117\u0161imo metu. Energijos nuostoliai paver\u010diami skaitmenine atsparumo pl\u0117\u0161imui verte.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Duomen\u0173 tvarkymas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Paprastai tiriami keli m\u0117giniai, siekiant gauti statistiniu po\u017ei\u016briu patikimus rezultatus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160iuolaikin\u0117 bandymo \u012franga gali automati\u0161kai apskai\u010diuoti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vidutinis atsparumas ply\u0161imui<\/li>\n\n\n\n<li>Did\u017eiausios ir ma\u017eiausios reik\u0161m\u0117s<\/li>\n\n\n\n<li>Standartinis nuokrypis<\/li>\n\n\n\n<li>Testo i\u0161laikymo \/ nei\u0161laikymo rezultatai<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D689 bandymo parametrai ir rezultat\u0173 ai\u0161kinimas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0161ar\u0173 tyrimo tikslumas priklauso nuo keli\u0173 svarbi\u0173 veiksni\u0173 kontrol\u0117s.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tyrimo parametras<\/th><th>Poveikis rezultatams<\/th><\/tr><\/thead><tbody><tr><td>M\u0117gini\u0173 paruo\u0161imas<\/td><td>\u012etakoja dr\u0117gm\u0117s kiek\u012f ir pluo\u0161to savybes<\/td><\/tr><tr><td>M\u0117ginio matmenys<\/td><td>U\u017etikrina tolyg\u0173 \u012ftr\u016bkio plitim\u0105<\/td><\/tr><tr><td>Pjovimo kokyb\u0117<\/td><td>Nustato pradinio \u012fpl\u0117\u0161imo tikslum\u0105<\/td><\/tr><tr><td>\u0160vytuokl\u0117s talpa<\/td><td>Turi atitikti numatyt\u0105 atpl\u0117\u0161imo j\u0117gos interval\u0105<\/td><\/tr><tr><td>Spaudimo j\u0117ga<\/td><td>Apsaugo nuo m\u0117ginio pasislinkimo<\/td><\/tr><tr><td>Testavimo aplinka<\/td><td>Ma\u017eina svyravimus<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Didesnis atsparumo ply\u0161imui rodiklis paprastai rodo didesn\u012f atsparum\u0105 pa\u017eeidimams. Ta\u010diau priimtinos vert\u0117s priklauso nuo galutinio naudojimo paskirties.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pavyzd\u017eiui:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lengvasis pakavimo popierius gali tur\u0117ti b\u016bti vidutini\u0161kai atsparus ply\u0161imui, kad j\u012f b\u016bt\u0173 lengva atidaryti.<\/li>\n\n\n\n<li>Didelio atsparumo popieriniai mai\u0161ai turi pasi\u017eym\u0117ti dideliu atsparumu ply\u0161imui, kad atlaikyt\u0173 krovimo j\u0117gas.<\/li>\n\n\n\n<li>Specialiesiems popieriams gali b\u016bti reikalingas subalansuotas atsparumas ply\u0161imui ir tempimo savyb\u0117s.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D689 palyginimas su kitais ply\u0161imo bandym\u0173 standartais<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u012evairiose pramon\u0117s \u0161akose, priklausomai nuo med\u017eiagos tipo ir paskirties, taikomi skirtingi atsparumo ply\u0161imui bandymo metodai.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Standartinis<\/th><th>Pagrindin\u0117 programa<\/th><th>Tyrimo principas<\/th><\/tr><\/thead><tbody><tr><td>ASTM D689<\/td><td>Popierius ir kartonas<\/td><td>Atsparumas \u012ftr\u016bkimams, nustatytas \u0161vytuokliniu metodu<\/td><\/tr><tr><td>ASTM D1922<\/td><td>Plastikin\u0117s pl\u0117vel\u0117s ir ploni lak\u0161tai<\/td><td>Elmendorfo ply\u0161imo plitimas<\/td><\/tr><tr><td>ISO 6383-1<\/td><td>Plastikin\u0117s pl\u0117vel\u0117s<\/td><td>Keln\u0117s \/ su Elmendorfu susij\u0119 ply\u0161imo bandymo metodai<\/td><\/tr><tr><td>ASTM D1424<\/td><td>Tekstil\u0117s med\u017eiagos<\/td><td>Elmendorfo atsparumo ply\u0161imui bandymas<\/td><\/tr><tr><td>TAPPI atsparumo ply\u0161imui bandymo metodai<\/td><td>Celiulioz\u0117s ir popieriaus pramon\u0117<\/td><td>Popieriaus atsparumo ply\u0161imui vertinimas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nors \u0161ie standartai grind\u017eiami pana\u0161iomis \u0161vytuokl\u0117s principu pagr\u012fstomis koncepcijomis, bandini\u0173 paruo\u0161imas, skai\u010diavimo metodai ir ataskait\u0173 teikimo reikalavimai gali skirtis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pasirinkus tinkam\u0105 standart\u0105 u\u017etikrinama, kad bandym\u0173 rezultatai tiksliai atspind\u0117t\u0173 med\u017eiagos savybes realiomis s\u0105lygomis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Popieriaus atsparumo ply\u0161imui bandym\u0173 taikymo sritys<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Profesionalas <strong>popieriaus atsparumo ply\u0161imui bandymo \u012frenginys<\/strong> yra pla\u010diai naudojamas kokyb\u0117s tyrim\u0173 laboratorijose ir gamybos \u012fmon\u0117se.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Popierin\u0117s pakuot\u0117s pramon\u0117<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tarp taikymo sri\u010di\u0173 yra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Maisto preki\u0173 popieriniai mai\u0161eliai<\/li>\n\n\n\n<li>Cemento mai\u0161ai<\/li>\n\n\n\n<li>Maisto produkt\u0173 pakavimo popierius<\/li>\n\n\n\n<li>Siuntimo mai\u0161ai<\/li>\n\n\n\n<li>Gofruotos pakavimo med\u017eiagos<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Gamintojai naudoja duomenis apie \u012fpl\u0117\u0161imus, kad u\u017etikrint\u0173, jog pakuot\u0117s perve\u017eimo metu i\u0161likt\u0173 nesugadintos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Maisto produkt\u0173 ir g\u0117rim\u0173 pakuot\u0117s<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Popierin\u0117se pakuot\u0117se popierius da\u017enai derinamas su dangomis arba barjeriniais sluoksniais. Atsparumo ply\u0161imui bandymai padeda \u012fvertinti, ar \u0161ios strukt\u016bros i\u0161laiko mechanin\u012f vientisum\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Farmacin\u0117s ir medicinin\u0117s pakuot\u0117s<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Popieriniai komponentai, naudojami:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sterilios pakavimo sistemos<\/li>\n\n\n\n<li>Medicinini\u0173 reikmen\u0173 mai\u0161eliai<\/li>\n\n\n\n<li>Apsauginiai apvyniojimai<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">turi u\u017etikrinti pakankam\u0105 mechanin\u012f tvirtum\u0105 ir kartu sudaryti s\u0105lygas saugiam naudojimui.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Spausdinimo ir etike\u010di\u0173 med\u017eiagos<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Etiket\u0117ms ir specialiajam popieriui b\u016btinos kontroliuojamos atsparumo ply\u0161imui savyb\u0117s, kad b\u016bt\u0173 i\u0161vengta j\u0173 prie\u0161laikinio sugadinimo gamybos ir naudojimo metu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Med\u017eiagos, tinkamos atlikti ASTM D689 ply\u0161imo bandymus<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/store.astm.org\/d0689-17r24.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D689<\/a>\u0160is ant pagrindo atliekamas ply\u0161imo vertinimas gali b\u016bti taikomas daugeliui su popieriumi susijusi\u0173 med\u017eiag\u0173, \u012fskaitant:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kraftinis popierius<\/li>\n\n\n\n<li>Lakuotas popierius<\/li>\n\n\n\n<li>Nepadengtas popierius<\/li>\n\n\n\n<li>Kartonas<\/li>\n\n\n\n<li>Perdirbtas popierius<\/li>\n\n\n\n<li>Pakuot\u0117s popierius<\/li>\n\n\n\n<li>Filtravimo popierius<\/li>\n\n\n\n<li>Specializuoti techniniai straipsniai<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is metodas suteikia vertingos informacijos tiek \u017ealiav\u0173 tiek\u0117jams, tiek gatav\u0173 produkt\u0173 gamintojams.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Profesionalaus popieriaus atsparumo ply\u0161imui bandymo \u012frenginio pasirinkimas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Patikimas <strong><a href=\"https:\/\/www.packtests.com\/lt\/product\/elmendorf-tearing-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">popieriaus atsparumo ply\u0161imui bandymo \u012frenginys<\/a><\/strong> tur\u0117t\u0173 numatyti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tikslus \u0161vytuokl\u0117s energijos matavimas<\/li>\n\n\n\n<li>Tvirtas bandinio tvirtinimas<\/li>\n\n\n\n<li>Pakartotinis \u012ftr\u016bkio prad\u0117jimas<\/li>\n\n\n\n<li>Automatinis rezultat\u0173 skai\u010diavimas<\/li>\n\n\n\n<li>Paprastas kalibravimo patikrinimas<\/li>\n\n\n\n<li>Duomen\u0173 \u012fra\u0161ymo galimyb\u0117<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Laboratorijoms, tirian\u010dioms \u012fvairi\u0173 r\u016b\u0161i\u0173 popieri\u0173 ir lanks\u010dias med\u017eiagas, taip pat svarbus \u0161vytuokl\u0117s talpos lankstumas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cell Instruments SLD-01 ply\u0161imo bandymo \u012frenginys, skirtas bandymams pagal ASTM D689 standart\u0105<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cell Instruments <strong>SLD-01 Atsparumo ply\u0161imui bandymo \u012frenginys<\/strong> skirta popieriaus, pl\u0117veli\u0173, tekstil\u0117s gamini\u0173 ir kit\u0173 lanks\u010di\u0173 med\u017eiag\u0173 atsparumui ply\u0161imui vertinti, taikant \u0161vytuoklinio ply\u0161imo princip\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is prietaisas atitinka laboratorini\u0173 tyrim\u0173 reikalavimus, nes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PLC valdymas ir valdymas per jutiklin\u012f ekran\u0105<\/strong> paprastam bandymo paruo\u0161imui<\/li>\n\n\n\n<li><strong>Pneumatinis bandinio fiksavimas<\/strong> siekiant u\u017etikrinti pastovi\u0105 laikymo j\u0117g\u0105<\/li>\n\n\n\n<li><strong>Automatinis \u0161vytuokl\u0117s atpalaidavimas<\/strong> siekiant kuo labiau suma\u017einti operatoriaus \u012ftak\u0105<\/li>\n\n\n\n<li><strong>Kalibravimo svori\u0173 patikra<\/strong> siekiant u\u017etikrinti matavimo tikslum\u0105<\/li>\n\n\n\n<li><strong>Automatinis statistinis skai\u010diavimas<\/strong> siekiant u\u017etikrinti veiksming\u0105 kokyb\u0117s kontrol\u0119<\/li>\n\n\n\n<li>Papildoma programin\u0117 \u012franga, skirta i\u0161samioms ataskaitoms rengti ir duomen\u0173 analizei atlikti<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SLD-01 palaiko \u012fvairias \u0161vytuokl\u0117s apkrovas:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0160vytuokl\u0117s talpa<\/th><th>Taikymo sritis<\/th><\/tr><\/thead><tbody><tr><td>200 gf<\/td><td>Ma\u017eo atsparumo ply\u0161imui med\u017eiagos<\/td><\/tr><tr><td>400 gf<\/td><td>Lengvi popieriai ir pl\u0117vel\u0117s<\/td><\/tr><tr><td>800 gf<\/td><td>Bendrosios pakavimo med\u017eiagos<\/td><\/tr><tr><td>1600 gf<\/td><td>Vidutinio stiprumo med\u017eiagos<\/td><\/tr><tr><td>3200 gf<\/td><td>Tvirti popieriniai gaminiai<\/td><\/tr><tr><td>6400 gf<\/td><td>Didelio na\u0161umo taikymo sritys<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">U\u017etikrindamas pakartojamus atsparumo \u012fpl\u0117\u0161imui matavimus, SLD-01 padeda laboratorijoms nustatyti silpnas med\u017eiagas, optimizuoti pakuo\u010di\u0173 dizain\u0105 ir pagerinti gamybos nuoseklum\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Atsparumo ply\u0161imui bandym\u0173 \u012fdiegimo kokyb\u0117s kontrol\u0117je privalumai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Reguliar\u016bs a\u0161ar\u0173 tyrimai suteikia kelet\u0105 privalum\u0173:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Suma\u017einti med\u017eiag\u0173 gedimus<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ankstyvas silpn\u0173 popierini\u0173 med\u017eiag\u0173 nustatymas padeda i\u0161vengti pakuo\u010di\u0173 pa\u017eeidim\u0173 transportavimo ir tvarkymo metu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pagerinti produkto nuoseklum\u0105<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Atliekant reguliarius tyrimus nustatomi nukrypimai, kuriuos sukelia:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u017daliav\u0173 poky\u010diai<\/li>\n\n\n\n<li>Gamybos koregavimai<\/li>\n\n\n\n<li>Aplinkos s\u0105lygos<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pagalbin\u0117s med\u017eiagos k\u016brimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In\u017einieriai gali palyginti \u012fvairias sud\u0117tis ir strukt\u016bras, kad pasiekt\u0173 pageidaujam\u0105 stiprumo, lankstumo ir s\u0105naud\u0173 pusiausvyr\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Atitikti klient\u0173 ir pramon\u0117s reikalavimus<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Patikimi duomenys apie atsparum\u0105 \u012fpl\u0117\u0161imui padeda vykdyti tiek\u0117j\u0173 atrank\u0105, u\u017etikrinti vidini\u0173 kokyb\u0117s sistem\u0173 veikim\u0105 ir parengti atitikties dokumentacij\u0105.<\/p>","protected":false},"excerpt":{"rendered":"<p>Material durability is a critical quality factor in packaging, paper products, and flexible materials. ASTM D689 is a recognized test method used to evaluate the tear resistance of paper and related sheet materials by measuring the force required to propagate an existing tear. The method is based on the Elmendorf tear principle, where a pendulum [&hellip;]<\/p>","protected":false},"featured_media":1446,"parent":0,"template":"","meta":{"_acf_changed":false},"standard-category":[],"class_list":["post-1444","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/standard\/1444","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":3,"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/standard\/1444\/revisions"}],"predecessor-version":[{"id":1604,"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/standard\/1444\/revisions\/1604"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/media\/1446"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/media?parent=1444"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packtests.com\/lt\/wp-json\/wp\/v2\/standard-category?post=1444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}