{"id":9871,"date":"2026-02-24T15:11:46","date_gmt":"2026-02-24T07:11:46","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d689-2\/"},"modified":"2026-04-16T09:53:21","modified_gmt":"2026-04-16T01:53:21","slug":"astm-d689","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/lt\/standard\/astm-d689\/","title":{"rendered":"ASTM D689"},"content":{"rendered":"

ASTM D689 standarto supratimas<\/h2>\n\n\n\n

ASTM D689 apibr\u0117\u017eia standartizuot\u0105 metod\u0105, skirt\u0105 matuoti j\u0117gai, kurios reikia popieriui perpl\u0117\u0161ti statmena lapo plok\u0161tumai kryptimi po to, kai jis pradedamas pl\u0117\u0161ti. Bandymas grind\u017eiamas Elmendorfo \u0161vytuokl\u0117s mechanizmu, kuris potencialios energijos nuostolius paver\u010dia i\u0161matuojama ply\u0161imo j\u0117ga.<\/p>\n\n\n\n

Skirtingai nuo tempimo ar ply\u0161imo bandym\u0173, ASTM D689 standarte daugiausia d\u0117mesio skiriama vidiniam atsparumui ply\u0161imui. \u0160i savyb\u0117 parodo, kaip popierius elgiasi veikiamas staigios j\u0117gos, kai jis yra ver\u010diamas, lankstomas, pjaustomas ar tvarkomas. D\u0117l \u0161ios prie\u017easties ASTM D689 da\u017enai papildo kitus stiprumo bandymus, kad b\u016bt\u0173 pateiktas i\u0161samesnis eksploatacini\u0173 savybi\u0173 profilis.<\/p>\n\n\n\n

Standartas taikomas daugelio r\u016b\u0161i\u0173 popieriui ir kartonui, nors jis netinka labai kryptingiems popieriams, kai reikia \u012fvertinti kry\u017emin\u012f ply\u0161im\u0105.<\/p>\n\n\n\n

ASTM D689: Popieriaus atsparumo ply\u0161imui bandymas Elmendorfo ply\u0161imo testeriu<\/h2>\n\n\n\n

The popieriaus atsparumo ply\u0161imui bandymas<\/strong> apra\u0161ytas ASTM D689, naudoja Elmendorfo ply\u0161imo testeris<\/strong> atpl\u0117\u0161ti vien\u0105 ar daugiau popieriaus sluoksni\u0173 per nustatyt\u0105 atstum\u0105. Prietaisas matuoja darb\u0105, kur\u012f \u0161vytuokl\u0117 atlieka pl\u0117\u0161imo metu, ir rodo vidutin\u0119 pl\u0117\u0161imo j\u0117g\u0105.<\/p>\n\n\n\n

Kai keli lak\u0161tai bandomi kartu, rezultatas yra vidutin\u0117 vert\u0117. Pagal \u0161i\u0105 vert\u0119 laboratorijos gali apskai\u010diuoti apytiksl\u012f vieno lapo atsparum\u0105 ply\u0161imui. Plono popieriaus, kai galima atlikti bandymus su vienu lapu, atsparum\u0105 ply\u0161imui galima i\u0161matuoti tiesiogiai.<\/p>\n\n\n\n

The popieriaus atsparumas ply\u0161imui<\/strong> gautas pagal ASTM D689 standart\u0105, yra pagrindinis pluo\u0161to sukibimo, pluo\u0161to ilgio, rafinavimo s\u0105lyg\u0173 ir bendro lak\u0161to vientisumo rodiklis.<\/p>\n\n\n\n

Elmendorfo metodu pagr\u012fstas bandymo principas<\/h2>\n\n\n\n

Elmendorfo metodas veikia paprastu, bet patikimu mechaniniu principu. \u017dinomos mas\u0117s ir geometrijos \u0161vytuokl\u0117 paleid\u017eiama i\u0161 fiksuoto auk\u0161\u010dio. Svyruodama ji supl\u0117\u0161o bandom\u0105j\u012f bandin\u012f, \u012ftvirtint\u0105 testeryje. Energija, sunaudota pl\u0117\u0161ant, suma\u017eina galutin\u012f \u0161vytuokl\u0117s auk\u0161t\u012f.<\/p>\n\n\n\n

\u0160\u012f energijos nuostol\u012f prietaiso skal\u0117 paver\u010dia ply\u0161imo j\u0117ga. Kadangi ply\u0161imo atstumas i\u0161lieka pastovus, ASTM D689 standartas u\u017etikrina, kad rezultatai i\u0161lieka palyginami skirtingose laboratorijose, kai proced\u016bros ir \u012franga yra vienodos.<\/p>\n\n\n\n

D\u0117l \u0161io principo Elmendorfo metodas yra greitas, pakartojamas ir tinkamas \u012fprastiniams kokyb\u0117s kontrol\u0117s tyrimams popieriaus fabrikuose ir bandym\u0173 laboratorijose.<\/p>\n\n\n\n

Bandymo proced\u016bros ap\u017evalga pagal ASTM D689<\/h2>\n\n\n\n

Nor\u0117damos gauti tikslius ir pakartojamus rezultatus, laboratorijos tur\u0117t\u0173 laikytis strukt\u016brizuotos proced\u016bros, suderintos su ASTM D689 standartu:<\/p>\n\n\n\n

M\u0117ginio paruo\u0161imas<\/strong>
Paruo\u0161kite reikiamo dyd\u017eio ir orientacijos popierinius pavyzd\u017eius. Bandymai paprastai atliekami tiek ma\u0161inos, tiek skersine kryptimi.<\/p>\n\n\n\n

Sluoksni\u0173 pasirinkimas<\/strong>
Pasirinkite tinkam\u0105 sluoksni\u0173 skai\u010di\u0173, kad rodmenys patekt\u0173 \u012f kalibruot\u0105 Elmendorfo ply\u0161imo testerio diapazon\u0105.<\/p>\n\n\n\n

Priemon\u0117s s\u0105ranka<\/strong>
Patikrinkite kalibravim\u0105, \u012fsitikinkite, kad \u0161vytuokl\u0117 juda laisvai, ir \u012fsitikinkite, kad jud\u0117jimui netrukdo trintis ar kli\u016btys.<\/p>\n\n\n\n

Ply\u0161imo inicijavimas ir bandymas<\/strong>
Tvirtai suspauskite bandin\u012f ir atleiskite \u0161vytuokl\u0119, kad popierius b\u016bt\u0173 nupl\u0117\u0161tas nurodytu atstumu.<\/p>\n\n\n\n

Rezultat\u0173 registravimas<\/strong>
U\u017era\u0161ykite atskirus rodmenis ir apskai\u010diuokite kiekvienos bandym\u0173 krypties vidutines, did\u017eiausias ir ma\u017eiausias vertes.<\/p>\n\n\n\n

Kruop\u0161ti sluoksni\u0173 skai\u010diaus kontrol\u0117 ir bandini\u0173 i\u0161d\u0117stymas yra labai svarb\u016bs siekiant suma\u017einti kintamum\u0105.<\/p>\n\n\n\n

ASTM D689 standarto taikymas popieriaus pramon\u0117je<\/h2>\n\n\n\n

ASTM D689 ir toliau pla\u010diai naudojamas kaip daugelio popieriaus r\u016b\u0161i\u0173 galutinio naudojimo savybi\u0173 prognozavimo rodiklis. Pakuo\u010di\u0173 popierius priklauso nuo pakankamo atsparumo ply\u0161imui, kad b\u016bt\u0173 i\u0161vengta pa\u017eeidim\u0173 pildymo ir transportavimo metu. Spausdinimo popieriui naudingas subalansuotas atsparumas ply\u0161imui, kad b\u016bt\u0173 i\u0161vengta kra\u0161t\u0173 pa\u017eeidim\u0173 apdorojant dideliu grei\u010diu.<\/p>\n\n\n\n

Stebint popieriaus atsparumas ply\u0161imui<\/strong>, gamintojai gali koreguoti \u017ealiavas, rafinavimo lygius ir proceso parametrus, kad pasiekt\u0173 pastovi\u0105 kokyb\u0119.<\/p>\n\n\n\n

Patikimi rezultatai priklauso nuo stabili\u0173 ir tiksli\u0173 prietais\u0173. \u0160iuolaikinis Elmendorfo ply\u0161imo testeris<\/strong>, pvz. Cell Instruments ply\u0161imo testeris SLD-01<\/a><\/b>, u\u017etikrina tiksl\u0173 energijos matavim\u0105, skland\u0173 \u0161vytuokl\u0117s jud\u0117jim\u0105 ir ai\u0161kius skaitmeninius arba analoginius rodmenis. \u0160ios savyb\u0117s padeda laboratorijoms atitikti ASTM D689 reikalavimus ir kartu padidina efektyvum\u0105 bei pakartojamum\u0105.<\/p>\n\n\n\n

Cell Instruments Co., Ltd. <\/b><\/a>remia popieriaus bandym\u0173 laboratorijas, apr\u016bpindama jas profesionalaus lygio a\u0161arojimo testeriais ir technin\u0117mis \u017einiomis, u\u017etikrindama tarptautini\u0173 standart\u0173 laikym\u0105si ir ilgalaik\u012f bandym\u0173 patikimum\u0105.<\/p>\n\n\n\n

I\u0161vada <\/h2>\n\n\n\n

ASTM D689 <\/b>pateikiamas patikrintas ir prakti\u0161kas atsparumo popieriaus ply\u0161imui vertinimo metodas, taikant Elmendorfo metod\u0105. Suprasdamos bandymo princip\u0105, laikydamosi tinkamos proced\u016bros ir pasirinkdamos tinkam\u0105 \u012frang\u0105, laboratorijos gali gauti patikimus duomenis, kurie padeda vykdyti kokyb\u0117s kontrol\u0119 ir kurti gaminius. Tiek popieriaus gamintojams, tiek naudotojams ASTM D689 i\u0161lieka svarbiausiu standartu, leid\u017eian\u010diu \u012fvertinti realias eksploatacines savybes.<\/p>\n\n\n\n

Patikimi bandym\u0173 sprendimai, atitinkantys ASTM ir tarptautinius standartus, L\u0105steli\u0173 instrumentai<\/strong> teikia profesionalias sistemas ir technin\u0119 pagalb\u0105, pritaikyt\u0105 j\u016bs\u0173 testavimo poreikiams.<\/p>\n\n\n\n

DUK<\/h2>\n\n\n\n

Kas yra ASTM D689 ir kod\u0117l jis svarbus?
ASTM D689<\/strong> yra standartinis bandym\u0173 metodas, naudojamas matuoti popieriaus atsparumas ply\u0161imui<\/strong> naudojant Elmendorfo ply\u0161imo testeris<\/strong>. Jis suteikia svarbi\u0173 duomen\u0173, reikaling\u0173 kokyb\u0117s kontrolei, ir leid\u017eia prognozuoti popieriaus eksploatacines savybes galutiniam naudojimui.<\/p>\n\n\n\n

Kokias med\u017eiagas galima bandyti pagal ASTM D689 standart\u0105?
\u0160is bandymas taikomas daugumai popieriaus r\u016b\u0161i\u0173, \u012fskaitant biuro popieri\u0173, pakavimo popieri\u0173 ir special\u0173 popieri\u0173. Juo matuojama tiek \u012f ma\u0161in\u0105, tiek \u012f kit\u0105 pus\u0119. popieriaus atsparumas ply\u0161imui<\/strong> kad b\u016bt\u0173 u\u017etikrintas tikslus med\u017eiagos patvarumo \u012fvertinimas.<\/p>\n\n\n\n

Kaip veikia Elmendorfo ply\u0161imo testeris atliekant \u0161\u012f test\u0105?
The Elmendorfo ply\u0161imo testeris<\/strong> \u0161vytuokle pl\u0117\u0161omas popieriaus pavyzdys. U\u017era\u0161oma popieriaus sugertos energijos kiekis, kuris v\u0117liau paver\u010diamas \u012f popieriaus atsparumas ply\u0161imui<\/strong> vert\u0117 vienam lak\u0161tui arba keliems sluoksniams.<\/p>\n\n\n\n

Kokie yra pagrindiniai ASTM D689 popieriaus atsparumo ply\u0161imui bandymo etapai?
Proced\u016bra apima pavyzd\u017eio paruo\u0161im\u0105, popieriaus prispaudim\u0105 Elmendorfo testeris<\/strong>, pradedamas pl\u0117\u0161imas, registruojama pl\u0117\u0161imo j\u0117ga ir apskai\u010diuojamas vidurkis. atsparumas ply\u0161imui<\/strong>. Bandymai atliekami tiek ma\u0161inos, tiek skersine kryptimis, kad b\u016bt\u0173 gauti i\u0161sam\u016bs rezultatai.<\/p>","protected":false},"excerpt":{"rendered":"

Understanding ASTM D689 ASTM D689 defines a standardized method to measure the force required to tear paper in a direction perpendicular to the sheet plane after a tear has been initiated. The test relies on an Elmendorf pendulum mechanism, which converts potential energy loss into a measurable tearing force. Unlike tensile or burst tests, ASTM […]<\/p>","protected":false},"featured_media":8703,"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-9871","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\/9871","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\/8703"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media?parent=9871"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/standard-category?post=9871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}