{"id":1271,"date":"2026-01-16T07:42:54","date_gmt":"2026-01-16T07:42:54","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?page_id=1271"},"modified":"2026-01-16T07:42:57","modified_gmt":"2026-01-16T07:42:57","slug":"astm-d1922","status":"publish","type":"page","link":"https:\/\/www.wrapfilmtest.com\/cy\/astm-d1922","title":{"rendered":"ASTM D1922"},"content":{"rendered":"<section class=\"section\" id=\"section_1487842892\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row row-large align-middle align-center\"  id=\"row-257684873\">\n\n\n\t<div id=\"col-312605323\" class=\"col medium-7 small-12 large-7\"  >\n\t\t\t\t<div class=\"col-inner text-center dark\"  >\n\t\t\t\n\t\t\t\n\n<h1 class=\"uppercase\" style=\"text-align: left;\"><strong>ASTM D1922<\/strong><\/h1>\n<h3 style=\"text-align: left;\">Prawf Dagrau Elmendorf ar Ffilmiau<\/h3>\n<div id=\"pdp-description\">\n<div class=\"astm-type-body--lead border-top mt-3 pt-2 adv-description\">\n<p style=\"text-align: left;\" data-pm-slice=\"0 0 &#091;&#093;\">Wrth i fformatau pecynnu esblygu tuag at ddefnyddio deunyddiau tenau, ysgafn, a pherfformiad uwch, mae profi rhwygo cywir yn dod yn fwyfwy pwysig. Nid yw cryfder ffilm bellach yn cyfeirio at briodweddau tynnol yn unig; mae hefyd yn cynnwys ymwrthedd i rwygo sydyn o dan amodau deinamig. Mae ASTM D1922 yn diwallu'r gofyniad hwn drwy efelychu lledaeniad rhwygo cyflym drwy <strong data-start=\"1279\" data-end=\"1302\">Prawf dagrau Elmendorf<\/strong>, gan ddarparu canlyniadau ystyrlon a chymaradwy ar gyfer rheoli ansawdd a datblygu deunyddiau.<\/p>\n<\/div>\n<\/div>\n<a href=\"https:\/\/www.astm.org\/d5458-95r20.html\" target=\"_blank\" class=\"button primary\" rel=\"noopener\"  >\n    <span>ASTM<\/span>\n  <\/a>\n\n\n<a href=\"https:\/\/www.wrapfilmtest.com\/cy\/contact\/\" target=\"_blank\" class=\"button white is-outline\" rel=\"noopener\"  >\n    <span>Gofyn am ddyfynbris<\/span>\n  <\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1125641607\" class=\"col medium-5 small-12 large-5\"  data-animate=\"flipInY\">\n\t\t\t\t<div class=\"col-inner text-left box-shadow-2 box-shadow-5-hover\" style=\"background-color:rgb(255,255,255);\" >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_774435510\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"1020\" height=\"583\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing.webp\" class=\"attachment-large size-large\" alt=\"Prawf Rhwygo Elmendorf ASTM D1922\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing.webp 1400w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing-700x400.webp 700w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing-768x439.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing-18x10.webp 18w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_774435510 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1125641607 > .col-inner {\n  padding: 15px 15px 15px 15px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1487842892 {\n  padding-top: 59px;\n  padding-bottom: 59px;\n  min-height: 300px;\n  background-color: #004b9a;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"row row-full-width\"  id=\"row-1694419294\">\n\n\n\t<div id=\"col-645520390\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"text-center\"><div class=\"is-divider divider clearfix\" ><\/div><\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row align-equal\"  id=\"row-1922354536\">\n\n\n\t<div id=\"col-544032697\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><strong data-start=\"439\" data-end=\"453\">ASTM D1922<\/strong> yw dull profi safonol a gydnabyddir yn eang a ddefnyddir i werthuso gwrthiant rhwygo lledaenedig ffilm blastig a dalennau tenau drwy'r dull pendil. Mewn diwydiannau lle mae ffilmiau plastig yn gwasanaethu fel deunyddiau swyddogaethol ac amddiffynnol, mae perfformiad rhwygo yn effeithio'n uniongyrchol ar ddibynadwyedd cynnyrch, diogelwch, a boddhad cwsmeriaid. O linellau pecynnu i logisteg a storio, mae gweithgynhyrchwyr yn dibynnu ar ddata ASTM D1922 i ddeall sut mae ffilm yn ymddwyn unwaith y bydd rhwygiad wedi dechrau.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2048081095\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2>Trosolwg a Chefndir y Diwydiant ASTM D1922<\/h2>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-2048081095 > .col-inner {\n  margin: 60px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1884341901\">\n\n\n\t<div id=\"col-954663905\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2 data-start=\"1400\" data-end=\"1447\"><strong data-start=\"1400\" data-end=\"1447\">Prawf Dagrau Elmendorf yn \u00f4l ASTM D1922<\/strong><\/h2>\n<p data-start=\"1449\" data-end=\"1811\">Mae&#039;r <strong data-start=\"1453\" data-end=\"1476\">prawf dagrau elmendorf<\/strong> Fel y'i nodir yn ASTM D1922, mae'n mesur y grym cyfartalog sydd ei angen i ledaenu rhwygiad drwy hyd penodol o ffilm blastig neu ddeunydd lapio anhyblyg. Mae'r prawf yn defnyddio peiriant profi rhwygo pendeulum wedi'i galibro, lle mae egni disgyrchiantol yn gyrru'r weithred o rwygo. Caiff y golled o egni pendeulum yn ystod y broses o rwygo ei throsi'n werthoedd gwrthiant rhwygo.<\/p>\n<p data-start=\"1813\" data-end=\"2264\">Mae'r dull hwn yn arbennig o addas ar gyfer ffilmiau pecynnu, deunyddiau lapio, a ffilmiau ymestyn sy'n wynebu grymoedd rhwygo sydyn wrth eu defnyddio. Mae ASTM D1922 yn pwysleisio paratoi samplau'n briodol, graddnodi'r pendilwm, a phrofi cyfeiriadol er mwyn lleihau amrywioldeb a achosir gan gyfeiriadedd y ffilm ac anisotropedd. Trwy ddilyn y safon, gall labordai gynhyrchu data atgynhyrchiadwy sy'n cefnogi derbyn manylebau a rhestru deunyddiau'n gymharol.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"text-center\"><div class=\"is-divider divider clearfix\" ><\/div><\/div>\n\n\t<section class=\"section\" id=\"section_1697408827\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row row-large align-middle align-center\"  id=\"row-464847881\">\n\n\n\t<div id=\"col-646200195\" class=\"col medium-9 small-12 large-9\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<h2 data-start=\"2271\" data-end=\"2326\"><strong data-start=\"2271\" data-end=\"2326\">Pam Mae Cryfder Ffilm yn Bwysig mewn Cymwysiadau Pecynnu<\/strong><\/h2>\n<p data-start=\"2328\" data-end=\"2664\">Mewn pecynnu, <strong data-start=\"2342\" data-end=\"2359\">Cryfder ffilm<\/strong> Yn penderfynu a all cynnyrch wrthsefyll trin, cludiant, a defnydd gan y defnyddiwr heb fethu. Gall rhwygiad sy'n lledaenu'n afreolus beryglu cywirdeb y cynnyrch, ei oes silff, a henw da'r brand. Mae ASTM D1922 yn rhoi cipolwg ar ymddygiad lledaeniad rhwygiadau yn hytrach na dim ond dechreuad y rhwygiad cychwynnol.<\/p>\n<p data-start=\"2666\" data-end=\"3058\">Ar gyfer deunyddiau fel <strong data-start=\"2688\" data-end=\"2709\">Taflu Ffilm Estynadwy<\/strong>, mae ymwrthedd i rwygo yn chwarae rhan hollbwysig wrth sefydlogrwydd y llwyth. Mae ymddygiad rhwygo dan reolaeth yn caniat\u00e1u i ffilm ymestyn wrthsefyll tyllu sydyn, gan ddal i fod yn hyblyg. Yn yr un modd, mewn <strong data-start=\"2895\" data-end=\"2918\">Prawf rhwygo ffilm lapio<\/strong>, <a href=\"https:\/\/www.qualitester.com\/standards\/astm-d1922\/\" target=\"_blank\" rel=\"noopener\">ASTM D1922<\/a> Mae'r canlyniadau'n helpu peirianwyr i gydbwyso gwydnwch a phrosesadwyedd, gan sicrhau bod ffilmiau'n perfformio'n ddibynadwy ar offer pecynnu cyflym.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1697408827 {\n  padding-top: 59px;\n  padding-bottom: 59px;\n  min-height: 300px;\n  background-color: rgb(228, 228, 228);\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"row\"  id=\"row-1275878176\">\n\n\n\t<div id=\"col-273825520\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2>Prawf Rhwygo Ffilm Lapio ac Effeithiau Cyfeiriadol<\/h2>\n<p data-start=\"3114\" data-end=\"3480\">A <strong data-start=\"3116\" data-end=\"3139\">Prawf rhwygo ffilm lapio<\/strong> Mae'r profion a gynhelir yn unol ag ASTM D1922 fel arfer yn cynnwys profi yn y cyfeiriad peiriant (MD) a'r cyfeiriad traws (TD). Oherwydd cyfeiriadedd moleciwlaidd yn ystod allwthiadu ffilm, mae'r gallu i wrthsefyll rhwygo yn aml yn wahanol iawn rhwng y cyfeiriadau. Mae ASTM D1922 yn cydnabod yr anisotropedd hwn ac yn ei gwneud yn ofynnol i gael digon o sbesimenau i gael cyfartaleddau cynrychioliadol.<\/p>\n<p data-start=\"3482\" data-end=\"3835\">Mae deall ymddygiad rhwygo cyfeiriadol yn helpu gweithgynhyrchwyr i optimeiddio dyluniad ffilm. Er enghraifft, gall gwrthiant rhwygo uwch yn y cyfeiriad traws draws wella perfformiad lapio paled, tra bod cryfder rhwygo cytbwys yn cefnogi trin \u00e2 llaw haws. Mae data ASTM D1922 yn caniat\u00e1u i beirianwyr ansawdd gysylltu amodau prosesu \u00e2 pherfformiad rhwygo terfynol.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-309081675\">\n\n\n\t<div id=\"col-717272510\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-width:1px 1px 1px 1px;\">\n\t<\/div>\n\t\t\t\n\n<h2 data-start=\"3842\" data-end=\"3886\"><strong data-start=\"3842\" data-end=\"3886\">Gwerthusiad Perfformiad Ffilm Estynedig Castio<\/strong><\/h2>\n<p data-start=\"3888\" data-end=\"4213\"><strong data-start=\"3888\" data-end=\"3909\">Taflu Ffilm Estynadwy<\/strong> Defnyddir yn eang mewn logisteg, warwsio, a sefydlogi paledau. Er bod cryfder tynnol yn sicrhau cynwysoldeb y llwyth, cryfder rhwygo yn penderfynu sut mae'r ffilm yn ymateb i ymylon miniog neu drawiadau sydyn. Mae ASTM D1922 yn chwarae rhan allweddol wrth werthuso'r nodweddion hyn o dan amodau labordy wedi'u rheoli.<\/p>\n<p data-start=\"4215\" data-end=\"4479\">Mae prawf rhwygo Elimendorf yn adlewyrchu senarios rhwygo byd go iawn yn fwy agos na phrofion tynnol cyflymder araf. I wneuthurwyr Ffilm Ymestyn Tywallt, mae canlyniadau ASTM D1922 yn cefnogi dewis deunyddiau, addasiadau fformiwleiddio, a meincnodi perfformiad yn erbyn cystadleuwyr.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\t<section class=\"section\" id=\"section_1580491225\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-1387078825\">\n\n\n\t<div id=\"col-1913826489\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-width:1px 1px 1px 1px;\">\n\t<\/div>\n\t\t\t\n\n<h2 data-start=\"4486\" data-end=\"4526\"><strong data-start=\"4486\" data-end=\"4526\">Offer Profi ac Arferion Gorau<\/strong><\/h2>\n<p data-start=\"4528\" data-end=\"4792\">Mae profi cywir yn unol \u00e2 safon ASTM D1922 yn dibynnu ar brofwr rhwygo wedi'i ddylunio'n dda, gyda symudiad pendil sefydlog, gwasgu manwl gywir, a dangosiad clorian dibynadwy. Mae graddnodi a gwirio rheolaidd yn sicrhau cywirdeb y data, yn enwedig wrth brofi ffilmiau tenau neu rai sy'n ymestyn yn helaeth.<\/p>\n<p data-start=\"4794\" data-end=\"5190\">Mae Cell Instruments yn darparu offer uwch <strong data-start=\"4829\" data-end=\"4848\">Profwyr Toriad<\/strong> Wedi'u dylunio i fodloni gofynion ASTM D1922. Mae'r offerynnau hyn yn cynnig systemau pendil sefydlog, darlleniadau digidol clir, ac opsiynau capasiti hyblyg, sy'n eu gwneud yn addas ar gyfer labordai Ymchwil a Datblygu a rheoli ansawdd cynhyrchu. Gyda pharatoi a chyflyru samplau'n briodol, gall defnyddwyr gyflawni data cyson a ystyrlon ar wrthiant rhwygo.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1580491225 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_1498711532\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row row-large align-middle align-center\"  id=\"row-1487123844\">\n\n\n\t<div id=\"col-2025286023\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner box-shadow-2 box-shadow-5-hover\" style=\"background-color:rgb(255, 255, 255);\" >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_124241816\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing-1.webp\" class=\"attachment-large size-large\" alt=\"ASTM D1922 Profi Rhwygiad Elmendorf 1\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing-1.webp 600w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing-1-400x400.webp 400w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing-1-280x280.webp 280w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2026\/01\/ASTM-D1922-Elmendorf-Tear-Testing-1-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_124241816 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-2025286023 > .col-inner {\n  padding: 15px 15px 15px 15px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1192289220\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<h2>Offer Profi Angenrheidiol<\/h2>\n<h3>Prawfwr Rhwygo SLD-01<\/h3>\n<p>Mae'r SLD-01 Tear Tester yn meintioli'r briodwedd hon i:<\/p>\n<p><br \/>Atal methiannau: Adnabod deunyddiau gwan sy'n dueddol o<br \/>rhwygo mewn deunydd pacio, tecstilau, neu ffilmiau diwydiannol.<\/p>\n<p>Optimeiddio Costau: Lleihau gwastraff drwy ddewis deunyddiau<br \/>gyda gwydnwch profedig.<\/p>\n<a href=\"https:\/\/www.wrapfilmtest.com\/cy\/peel-cling-tester\/\" target=\"_blank\" class=\"button primary\" rel=\"noopener\"  >\n    <span>Mwy am SLD-01<\/span>\n  <\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1498711532 {\n  padding-top: 59px;\n  padding-bottom: 59px;\n  min-height: 300px;\n  background-color: #e4e4e4;\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section\" id=\"section_840036897\">\n\t\t<div class=\"bg section-bg fill bg-fill\" >\n\n\t\t\t\n\t\t\t<div class=\"section-bg-overlay absolute fill\"><\/div>\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row row-large align-middle align-center\"  id=\"row-678117610\">\n\n\n\t<div id=\"col-1871140768\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<p>\u00a0<\/p>\n<h2><span style=\"color: #ffffff;\">Gofynnwch am ddyfynbris ar gyfer prawf ASTM D5458<\/span><\/h2>\n<p><span style=\"color: #ffffff;\">Sicrhewch ddyfynbris manwl ar gyfer profion llu glynu ASTM D5458 i sicrhau bod eich ffilmiau ymestyn yn bodloni safonau&#039;r diwydiant. Cysylltwch \u00e2 ni heddiw i drafod eich gofynion a derbyn gwybodaeth am brisiau.<\/span><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-481605785\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner box-shadow-2 box-shadow-5-hover\" style=\"background-color:rgb(255, 255, 255);\" >\n\t\t\t\n\t\t\t\n\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f9-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"9\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/cy\/wp-json\/wp\/v2\/pages\/1271#wpcf7-f9-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Ffurflen gysylltu\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/cy\/wp-json\/wp\/v2\/pages\/1271#wpcf7-f9-o1\">\n<div style=\"display: none;\">\n<input type=\"hidden\" name=\"_wpcf7\" value=\"9\" \/>\n<input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.0.4\" \/>\n<input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/>\n<input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f9-o1\" \/>\n<input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/>\n<input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/div>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"Name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Enw*\" value=\"\" type=\"text\" name=\"Name\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"Company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Cwmni\" value=\"\" type=\"text\" name=\"Company\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"WhatsApp\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"WhatsApp\" value=\"\" type=\"text\" name=\"WhatsApp\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Ebost*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"text-990\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Pwnc\" value=\"\" type=\"text\" name=\"text-990\" \/><\/span><br \/>\n<span class=\"wpcf7-form-control-wrap\" data-name=\"textarea-87\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Neges*\" name=\"textarea-87\"><\/textarea><\/span><br \/>\n<input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Cyflwyno\" \/>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"cy\"\/><\/form>\n<\/div>\n\n\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-481605785 > .col-inner {\n  padding: 15px 15px 15px 15px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_840036897 {\n  padding-top: 59px;\n  padding-bottom: 59px;\n  min-height: 300px;\n  background-color: #004b99;\n}\n#section_840036897 .section-bg-overlay {\n  background-color: rgba(0,0,0,.5);\n}\n#section_840036897 .section-bg.bg-loaded {\n  background-image: url(https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/How-the-Peel-Cling-Test-Done.webp);\n}\n#section_840036897 .section-bg {\n  background-position: 68% 20%;\n}\n<\/style>\n\t<\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-1271","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ASTM D1922 Elmendorf Tear Testing<\/title>\n<meta name=\"description\" content=\"ASTM D1922 defines the Elmendorf tear test for plastic films. Learn how it evaluates film strength, wrap film tear test performance, and Cast Stretch Film quality.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wrapfilmtest.com\/cy\/astm-d1922\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ensure Quality with ASTM D5458 Cling Force Testing for Stretch Films\" \/>\n<meta property=\"og:description\" content=\"Optimize your stretch films with ASTM D5458 testing. Our precise cling force measurement ensures your films perform under industry standards, providing secure wrapping for packaging, food, and pharmaceuticals. Trust our advanced testing equipment for reliable results. #ASTM D5458 #FilmTesting #Packaging #ClingForce\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wrapfilmtest.com\/cy\/astm-d1922\" \/>\n<meta property=\"og:site_name\" content=\"Wrap Film Test\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-16T07:42:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"836\" \/>\n\t<meta property=\"og:image:height\" content=\"238\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"ASTM D5458 Cling Force Testing for Superior Stretch Film Performance\" \/>\n<meta name=\"twitter:description\" content=\"Need precise cling force testing for your stretch films? ASTM D5458 ensures quality control for packaging, food, and more. Get accurate results with our state-of-the-art testing equipment! #ASTM D5458 #FilmTesting #StretchFilms #Packaging #ClingForce\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 munud\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wrapfilmtest.com\/astm-d1922\",\"url\":\"https:\/\/www.wrapfilmtest.com\/astm-d1922\",\"name\":\"ASTM D1922 Elmendorf Tear Testing\",\"isPartOf\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/#website\"},\"datePublished\":\"2026-01-16T07:42:54+00:00\",\"dateModified\":\"2026-01-16T07:42:57+00:00\",\"description\":\"ASTM D1922 defines the Elmendorf tear test for plastic films. Learn how it evaluates film strength, wrap film tear test performance, and Cast Stretch Film quality.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/astm-d1922#breadcrumb\"},\"inLanguage\":\"cy\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wrapfilmtest.com\/astm-d1922\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wrapfilmtest.com\/astm-d1922#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.wrapfilmtest.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ASTM D1922\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wrapfilmtest.com\/#website\",\"url\":\"https:\/\/www.wrapfilmtest.com\/\",\"name\":\"Wrap Film Test\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wrapfilmtest.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cy\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.wrapfilmtest.com\/#organization\",\"name\":\"Wrap Film Test\",\"url\":\"https:\/\/www.wrapfilmtest.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cy\",\"@id\":\"https:\/\/www.wrapfilmtest.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp\",\"contentUrl\":\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp\",\"width\":836,\"height\":238,\"caption\":\"Wrap Film Test\"},\"image\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Prawf Rhwygo Elmendorf ASTM D1922","description":"Mae ASTM D1922 yn diffinio'r prawf rhwygo Elmendorf ar gyfer ffilmiau plastig. Dysgwch sut mae'n gwerthuso cryfder ffilm, perfformiad prawf rhwygo ffilm lapio, ac ansawdd Ffilm Ymestyn Cast.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wrapfilmtest.com\/cy\/astm-d1922","og_locale":"en_US","og_type":"article","og_title":"Ensure Quality with ASTM D5458 Cling Force Testing for Stretch Films","og_description":"Optimize your stretch films with ASTM D5458 testing. Our precise cling force measurement ensures your films perform under industry standards, providing secure wrapping for packaging, food, and pharmaceuticals. Trust our advanced testing equipment for reliable results. #ASTM D5458 #FilmTesting #Packaging #ClingForce","og_url":"https:\/\/www.wrapfilmtest.com\/cy\/astm-d1922","og_site_name":"Wrap Film Test","article_modified_time":"2026-01-16T07:42:57+00:00","og_image":[{"width":836,"height":238,"url":"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_title":"ASTM D5458 Cling Force Testing for Superior Stretch Film Performance","twitter_description":"Need precise cling force testing for your stretch films? ASTM D5458 ensures quality control for packaging, food, and more. Get accurate results with our state-of-the-art testing equipment! #ASTM D5458 #FilmTesting #StretchFilms #Packaging #ClingForce","twitter_image":"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp","twitter_misc":{"Est. reading time":"6 munud"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wrapfilmtest.com\/astm-d1922","url":"https:\/\/www.wrapfilmtest.com\/astm-d1922","name":"Prawf Rhwygo Elmendorf ASTM D1922","isPartOf":{"@id":"https:\/\/www.wrapfilmtest.com\/#website"},"datePublished":"2026-01-16T07:42:54+00:00","dateModified":"2026-01-16T07:42:57+00:00","description":"Mae ASTM D1922 yn diffinio'r prawf rhwygo Elmendorf ar gyfer ffilmiau plastig. Dysgwch sut mae'n gwerthuso cryfder ffilm, perfformiad prawf rhwygo ffilm lapio, ac ansawdd Ffilm Ymestyn Cast.","breadcrumb":{"@id":"https:\/\/www.wrapfilmtest.com\/astm-d1922#breadcrumb"},"inLanguage":"cy","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wrapfilmtest.com\/astm-d1922"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wrapfilmtest.com\/astm-d1922#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.wrapfilmtest.com\/"},{"@type":"ListItem","position":2,"name":"ASTM D1922"}]},{"@type":"WebSite","@id":"https:\/\/www.wrapfilmtest.com\/#website","url":"https:\/\/www.wrapfilmtest.com\/","name":"Prawf Lapio Ffilm","description":"","publisher":{"@id":"https:\/\/www.wrapfilmtest.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wrapfilmtest.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cy"},{"@type":"Organization","@id":"https:\/\/www.wrapfilmtest.com\/#organization","name":"Prawf Lapio Ffilm","url":"https:\/\/www.wrapfilmtest.com\/","logo":{"@type":"ImageObject","inLanguage":"cy","@id":"https:\/\/www.wrapfilmtest.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp","contentUrl":"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp","width":836,"height":238,"caption":"Wrap Film Test"},"image":{"@id":"https:\/\/www.wrapfilmtest.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.wrapfilmtest.com\/cy\/wp-json\/wp\/v2\/pages\/1271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wrapfilmtest.com\/cy\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.wrapfilmtest.com\/cy\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.wrapfilmtest.com\/cy\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wrapfilmtest.com\/cy\/wp-json\/wp\/v2\/comments?post=1271"}],"version-history":[{"count":2,"href":"https:\/\/www.wrapfilmtest.com\/cy\/wp-json\/wp\/v2\/pages\/1271\/revisions"}],"predecessor-version":[{"id":1275,"href":"https:\/\/www.wrapfilmtest.com\/cy\/wp-json\/wp\/v2\/pages\/1271\/revisions\/1275"}],"wp:attachment":[{"href":"https:\/\/www.wrapfilmtest.com\/cy\/wp-json\/wp\/v2\/media?parent=1271"}],"curies":[{"name":"gair","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}