{"id":1440,"date":"2026-07-23T07:24:13","date_gmt":"2026-07-23T07:24:13","guid":{"rendered":"https:\/\/www.packtests.com\/?post_type=standard&#038;p=1440"},"modified":"2026-07-23T07:24:53","modified_gmt":"2026-07-23T07:24:53","slug":"astm-d1922","status":"publish","type":"standard","link":"https:\/\/www.packtests.com\/ro\/standard\/astm-d1922\/","title":{"rendered":"ASTM D1922"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>ASTM D1922<\/strong> este unul dintre cele mai utilizate standarde pentru evaluarea <strong>rezisten\u021ba la rupere a foliei de plastic<\/strong> \u0219i folii sub\u021biri de plastic. \u00cen sectoare precum ambalajele flexibile, ambalajele medicale, ambalajele alimentare, agricultura \u0219i foliile industriale, rezisten\u021ba la rupere este o proprietate mecanic\u0103 esen\u021bial\u0103 care influen\u021beaz\u0103 \u00een mod direct durabilitatea produsului, performan\u021ba la manipulare \u0219i fiabilitatea \u00een utilizarea final\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Testul de rezisten\u021b\u0103 la rupere Elmendorf<\/strong> ofer\u0103 o metod\u0103 rapid\u0103, repetabil\u0103 \u0219i standardizat\u0103 pentru determinarea for\u021bei necesare pentru a extinde o ruptur\u0103 existent\u0103 \u00eentr-o prob\u0103. Spre deosebire de \u00eencercarea de trac\u021biune, care m\u0103soar\u0103 rezisten\u021ba la \u00eentindere p\u00e2n\u0103 la rupere, aceast\u0103 <strong>Metoda Elmendorf<\/strong> se concentreaz\u0103 asupra propag\u0103rii fisurii dup\u0103 efectuarea unei t\u0103ieturi ini\u021biale controlate. Acest lucru face ca standardul ASTM D1922 s\u0103 fie deosebit de util pentru controlul calit\u0103\u021bii, dezvoltarea materialelor \u0219i compararea produselor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fie c\u0103 este vorba de alegerea foliilor de ambalare, de validarea uniformit\u0103\u021bii produc\u021biei sau de compararea formulelor de r\u0103\u0219in\u0103, standardul ASTM D1922 ofer\u0103 produc\u0103torilor o abordare practic\u0103 \u0219i recunoscut\u0103 la nivel interna\u021bional pentru m\u0103surarea rezisten\u021bei la rupere.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ce este ASTM D1922?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D1922<\/strong> este metoda standard de testare a rezisten\u021bei la rupere prin propagare a foliilor \u0219i a straturilor sub\u021biri din material plastic, prin metoda pendulului.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Metoda standard m\u0103soar\u0103 energia necesar\u0103 pentru ca un pendul s\u0103 continue ruperea unei probe dup\u0103 ce s-a realizat o t\u0103ietur\u0103 ini\u021bial\u0103. Pierderea de energie poten\u021bial\u0103 \u00een timpul oscila\u021biei pendulului este convertit\u0103 \u00een valori ale rezisten\u021bei la rupere, permi\u021b\u00e2nd laboratoarelor s\u0103 compare materialele \u00een condi\u021bii de testare uniforme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Metoda a devenit un punct de referin\u021b\u0103 \u00een industrie, deoarece ofer\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Repetabilitate excelent\u0103<\/li>\n\n\n\n<li>Cicluri rapide de testare<\/li>\n\n\n\n<li>Influen\u021b\u0103 minim\u0103 a operatorului<\/li>\n\n\n\n<li>O compara\u021bie fiabil\u0103 \u00eentre materiale<\/li>\n\n\n\n<li>Interpretarea simpl\u0103 a rezultatelor<\/li>\n<\/ul>\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-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-tear-testing.webp\" alt=\"ASTM D1922 COF-01 Aparat de testare a rezisten\u021bei la rupere Elemendorf\" class=\"wp-image-1442\" style=\"width:273px;height:auto\" title=\"\" srcset=\"https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-tear-testing.webp 600w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-tear-testing-300x300.webp 300w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-tear-testing-150x150.webp 150w, https:\/\/www.packtests.com\/wp-content\/uploads\/2026\/07\/SLD-01-tear-testing-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Deoarece propagarea rupturii determin\u0103 adesea dac\u0103 un ambalaj rezist\u0103 la manipulare sau se deterioreaz\u0103 \u00een timpul transportului, standardul ASTM D1922 joac\u0103 un rol important \u00een asigurarea calit\u0103\u021bii ambalajelor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">De ce este important\u0103 rezisten\u021ba la rupere a foliei de plastic?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>rezisten\u021ba la rupere a foliei de plastic<\/strong> influen\u021beaz\u0103 performan\u021ba produselor pe parcursul proceselor de fabrica\u021bie, transport, depozitare \u0219i utilizare de c\u0103tre consumatori.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Printre exemple se num\u0103r\u0103:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Cerere<\/th><th>De ce este important\u0103 rezisten\u021ba la rupere<\/th><\/tr><\/thead><tbody><tr><td>Ambalaje alimentare<\/td><td>Prevenirea ruperii accidentale a ambalajelor \u00een timpul umplerii \u0219i transportului<\/td><\/tr><tr><td>Ambalaje medicale<\/td><td>P\u0103stra\u021bi integritatea barierei sterile p\u00e2n\u0103 la deschidere<\/td><\/tr><tr><td>Folii industriale<\/td><td>Rezist\u0103 la rupere \u00een timpul instal\u0103rii \u0219i la manipularea intens\u0103<\/td><\/tr><tr><td>Folii agricole<\/td><td>Rezist\u0103 la solicit\u0103rile de mediu \u0219i la \u00eenc\u0103rc\u0103rile mecanice<\/td><\/tr><tr><td>Folii extensibile \u0219i termocontractabile<\/td><td>Reducerea daunelor \u00een timpul ambal\u0103rii cu folie a pale\u021bilor<\/td><\/tr><tr><td>Ambalaje pentru produse de larg consum<\/td><td>Permite deschiderea controlat\u0103 f\u0103r\u0103 ruperea catastrofal\u0103 a materialului<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O rezisten\u021b\u0103 redus\u0103 la rupere poate duce la:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Deteriorarea produsului<\/li>\n\n\n\n<li>Scurgeri din ambalaj<\/li>\n\n\n\n<li>Cre\u0219terea cantit\u0103\u021bii de de\u0219euri<\/li>\n\n\n\n<li>Reclama\u021biile clien\u021bilor<\/li>\n\n\n\n<li>Costuri de produc\u021bie mai ridicate<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Standardul ASTM D1922 ajut\u0103 produc\u0103torii s\u0103 optimizeze materialele \u00eenainte ca aceste defecte s\u0103 apar\u0103.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00cen\u021belegerea testului de rezisten\u021b\u0103 la rupere Elmendorf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Testul de rezisten\u021b\u0103 la rupere Elmendorf<\/strong> a fost dezvoltat\u0103 ini\u021bial de Armin Elmendorf \u0219i r\u0103m\u00e2ne una dintre cele mai fiabile metode de evaluare a propag\u0103rii fisurilor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen loc s\u0103 m\u0103soare for\u021ba necesar\u0103 pentru a produce o nou\u0103 ruptur\u0103, testul m\u0103soar\u0103 energia necesar\u0103 pentru a men\u021bine o ruptur\u0103 deja existent\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Principiul de baz\u0103 este simplu:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Se preg\u0103te\u0219te un e\u0219antion cu o fant\u0103 standardizat\u0103.<\/li>\n\n\n\n<li>Proba este fixat\u0103 ferm.<\/li>\n\n\n\n<li>Se elibereaz\u0103 un pendul calibrat.<\/li>\n\n\n\n<li>Pendulul rupe proba r\u0103mas\u0103.<\/li>\n\n\n\n<li>Pierderea de energie se transform\u0103 \u00een rezisten\u021b\u0103 la rupere.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Deoarece mi\u0219carea pendulului este controlat\u0103 cu precizie, <strong>Metoda Elmendorf<\/strong> ofer\u0103 rezultate cu un grad ridicat de repetabilitate, adecvate pentru controlul calit\u0103\u021bii \u00een laborator.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Procedura de testare ASTM D1922<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un exemplu tipic <strong>ASTM D1922<\/strong> Testul urmeaz\u0103 mai mul\u021bi pa\u0219i standardiza\u021bi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Preg\u0103tirea probelor<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Probele dreptunghiulare sunt decupate conform dimensiunilor standard.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un cu\u021bit de t\u0103iere de precizie realizeaz\u0103 o t\u0103ietur\u0103 care se termin\u0103 aproximativ <strong>la 43 mm de marginea opus\u0103<\/strong>, asigur\u00e2ndu-se c\u0103 fiecare prob\u0103 \u00eencepe cu o ruptur\u0103 identic\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Preg\u0103tirea corespunz\u0103toare a probei este esen\u021bial\u0103, deoarece o geometrie neconstant\u0103 a fantei poate afecta \u00een mod semnificativ rezultatele.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fixarea probelor<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Proba este fixat\u0103 ferm \u00eentre dou\u0103 cleme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Presiunea uniform\u0103 de str\u00e2ngere previne alunecarea \u00een timpul test\u0103rii \u0219i \u00eembun\u0103t\u0103\u021be\u0219te repetabilitatea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modern <strong>aparat de testare a rezisten\u021bei la rupere<\/strong> Sistemele utilizeaz\u0103 adesea prinderea pneumatic\u0103 pentru a reduce varia\u021biile legate de operator.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Eliberarea pendulului<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pendulul se elibereaz\u0103 automat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pe m\u0103sur\u0103 ce se deplaseaz\u0103 prin prob\u0103, aceasta extinde ruptura, pierz\u00e2nd \u00een acela\u0219i timp o parte din energia sa poten\u021bial\u0103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aceast\u0103 pierdere de energie corespunde direct rezisten\u021bei la rupere a materialului.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Calcularea rezultatelor<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Instrumentul converte\u0219te automat energia m\u0103surat\u0103 \u00een valori ale rezisten\u021bei la rupere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cele mai multe aparate de testare moderne calculeaz\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rezultatele individuale ale testelor<\/li>\n\n\n\n<li>Rezisten\u021ba medie la rupere<\/li>\n\n\n\n<li>Analiza statistic\u0103<\/li>\n\n\n\n<li>Abaterea standard<\/li>\n\n\n\n<li>Conversii \u00eentre mai multe unit\u0103\u021bi, acolo unde este cazul<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Calculele automatizate elimin\u0103 erorile manuale \u0219i \u00eembun\u0103t\u0103\u021besc eficien\u021ba laboratorului.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ce materiale pot fi evaluate conform standardului ASTM D1922?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Standardul ASTM D1922 este adecvat pentru numeroase materiale flexibile.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Printre materialele tipice se num\u0103r\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polietilen\u0103 (PE)<\/li>\n\n\n\n<li>Polipropilen\u0103 (PP)<\/li>\n\n\n\n<li>Folii PET<\/li>\n\n\n\n<li>Folii din PVC<\/li>\n\n\n\n<li>Folii de protec\u021bie<\/li>\n\n\n\n<li>Folii laminate<\/li>\n\n\n\n<li>Folii metalizate<\/li>\n\n\n\n<li>Ambalaje compozite flexibile<\/li>\n\n\n\n<li>Folie de plastic<\/li>\n\n\n\n<li>Folii industriale sub\u021biri<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">De\u0219i sunt destinate \u00een primul r\u00e2nd foliilor din plastic, principii similare de rupere cu pendulul se aplic\u0103 \u0219i h\u00e2rtiei, materialelor ne\u021besute \u0219i textilelor, \u00een conformitate cu diferite standarde interna\u021bionale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sectoare industriale care beneficiaz\u0103 de standardul ASTM D1922<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Multe sectoare industriale se bazeaz\u0103 pe date fiabile privind rezisten\u021ba la rupere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Printre utilizatorii obi\u0219nui\u021bi se num\u0103r\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Produc\u0103tori de ambalaje flexibile<\/li>\n\n\n\n<li>Companii specializate \u00een ambalarea dispozitivelor medicale<\/li>\n\n\n\n<li>Furnizori de ambalaje farmaceutice<\/li>\n\n\n\n<li>Produc\u0103tori de ambalaje alimentare<\/li>\n\n\n\n<li>Produc\u0103tori de folii din plastic<\/li>\n\n\n\n<li>Produc\u0103tori de folii agricole<\/li>\n\n\n\n<li>Aparate industriale de developare a filmelor<\/li>\n\n\n\n<li>Laboratoare de cercetare<\/li>\n\n\n\n<li>Universit\u0103\u021bi<\/li>\n\n\n\n<li>Laboratoare de testare independente<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru aceste organiza\u021bii, standardul ASTM D1922 serve\u0219te at\u00e2t la inspec\u021bia materialelor primite, c\u00e2t \u0219i la validarea produsului finit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Factori care influen\u021beaz\u0103 rezultatele testului de rupere<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mai multe variabile pot influen\u021ba valoarea m\u0103surat\u0103 <strong>rezisten\u021ba la rupere a foliei de plastic<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Printre acestea se num\u0103r\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Grosimea peliculei<\/li>\n\n\n\n<li>Orientarea molecular\u0103 a polimerilor<\/li>\n\n\n\n<li>Direc\u021bia de extrudare (MD vs. TD)<\/li>\n\n\n\n<li>Formularea r\u0103\u0219inii<\/li>\n\n\n\n<li>Aditivi<\/li>\n\n\n\n<li>Temperatura<\/li>\n\n\n\n<li>Umiditate<\/li>\n\n\n\n<li>Calitatea preg\u0103tirii probelor<\/li>\n\n\n\n<li>Selectarea capacit\u0103\u021bii pendulului<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Men\u021binerea unor condi\u021bii controlate de laborator este esen\u021bial\u0103 pentru ob\u021binerea unor date relevante \u0219i reproductibile.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1922 vs. ISO 6383-1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Multe laboratoare interna\u021bionale efectueaz\u0103 at\u00e2t teste conform standardelor ASTM, c\u00e2t \u0219i conform standardelor ISO.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Caracteristic\u0103<\/th><th>ASTM D1922<\/th><th>ISO 6383-1<\/th><\/tr><\/thead><tbody><tr><td>Principiul testului<\/td><td>Ruptur\u0103 prin propagare de tip pendul<\/td><td>Ruptur\u0103 prin propagare de tip pendul<\/td><\/tr><tr><td>Metoda de testare<\/td><td>Metoda Elmendorf<\/td><td>Metoda Elmendorf<\/td><\/tr><tr><td>Aplica\u021bie principal\u0103<\/td><td>Folie de plastic \u0219i folii sub\u021biri<\/td><td>Folie \u0219i pl\u0103ci din plastic<\/td><\/tr><tr><td>Rezultat<\/td><td>Rezisten\u021ba la propagarea fisurilor<\/td><td>Rezisten\u021ba la propagarea fisurilor<\/td><\/tr><tr><td>Utilizare interna\u021bional\u0103<\/td><td>America de Nord<\/td><td>Pie\u021bele interna\u021bionale<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ambele standarde utilizeaz\u0103 concepte de testare aproape identice, ceea ce le permite produc\u0103torilor interna\u021bionali s\u0103 compare mai u\u0219or performan\u021bele produselor pe diferite pie\u021be.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alegerea unui aparat de testare a rezisten\u021bei la rupere<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un sistem de \u00eencredere <strong><a href=\"https:\/\/www.packtests.com\/ro\/product\/elmendorf-tearing-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">aparat de testare a rezisten\u021bei la rupere<\/a><\/strong> ar trebui s\u0103 asigure o mi\u0219care precis\u0103 a pendulului, o fixare stabil\u0103 a probei \u0219i o prelucrare automat\u0103 a datelor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Printre caracteristicile importante se num\u0103r\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Control industrial cu PLC<\/li>\n\n\n\n<li>Interfa\u021b\u0103 cu ecran tactil<\/li>\n\n\n\n<li>Eliberare automat\u0103 a pendulului<\/li>\n\n\n\n<li>Prinderea pneumatic\u0103 a probelor<\/li>\n\n\n\n<li>Capacit\u0103\u021bi multiple ale pendulului<\/li>\n\n\n\n<li>Verificarea calibr\u0103rii<\/li>\n\n\n\n<li>Analiza statistic\u0103<\/li>\n\n\n\n<li>Func\u021bionalitate de exportare a datelor<\/li>\n\n\n\n<li>Software profesional op\u021bional<\/li>\n\n\n\n<li>Trasabilitatea \u00een laborator<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aceste caracteristici contribuie la ob\u021binerea unor rezultate constante, reduc\u00e2nd \u00een acela\u0219i timp influen\u021ba operatorului.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aparat de testare a rezisten\u021bei la rupere Cell Instruments SLD-01<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>SLD-01 <a href=\"https:\/\/www.packtests.com\/ro\/product\/elmendorf-tearing-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">Aparat de testare a rezisten\u021bei la rupere<\/a><\/strong> de la Cell Instruments este conceput pentru efectuarea de \u00eencerc\u0103ri standardizate de rupere cu pendul, \u00een conformitate cu <strong>ASTM D1922<\/strong> \u0219i <strong>ISO 6383-1<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Printre principalele func\u021bionalit\u0103\u021bi se num\u0103r\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Func\u021bionare controlat\u0103 prin PLC cu ecran tactil HMI intuitiv<\/li>\n\n\n\n<li>Fixarea pneumatic\u0103 a probelor pentru o repetabilitate \u00eembun\u0103t\u0103\u021bit\u0103<\/li>\n\n\n\n<li>Eliberare automat\u0103 a pendulului pentru a reduce la minimum varia\u021biile legate de operator<\/li>\n\n\n\n<li>Capacit\u0103\u021bi multiple ale pendulului: <strong>200, 400, 800, 1600, 3200 \u0219i 6400 gf<\/strong><\/li>\n\n\n\n<li>Verificarea greut\u0103\u021bilor de calibrare \u00eencorporat\u0103<\/li>\n\n\n\n<li>Calcule statistice automate<\/li>\n\n\n\n<li>Comunicare RS-232 op\u021bional\u0103 \u0219i microimprimant\u0103<\/li>\n\n\n\n<li>Software profesional op\u021bional pentru raportare avansat\u0103 \u0219i gestionarea datelor<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sistemul este potrivit pentru laboratoarele de control al calit\u0103\u021bii, departamentele de cercetare \u0219i dezvoltare, produc\u0103torii de ambalaje, produc\u0103torii de folii \u0219i laboratoarele independente de testare care au nevoie de m\u0103sur\u0103tori fiabile ale rezisten\u021bei la rupere prin propagare.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cele mai bune practici pentru testarea conform standardului ASTM D1922<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pentru a maximiza precizia test\u0103rii:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Preg\u0103ti\u021bi probele \u00eenainte de testare.<\/li>\n\n\n\n<li>Folosi\u021bi unelte de t\u0103iere ascu\u021bite pentru preg\u0103tirea probelor.<\/li>\n\n\n\n<li>Alege\u021bi capacitatea corespunz\u0103toare a pendulului.<\/li>\n\n\n\n<li>Testa\u021bi at\u00e2t \u00een direc\u021bia ma\u0219inii (MD), c\u00e2t \u0219i \u00een direc\u021bia transversal\u0103 (TD).<\/li>\n\n\n\n<li>Efectua\u021bi un num\u0103r suficient de repet\u0103ri pentru a asigura fiabilitatea statistic\u0103.<\/li>\n\n\n\n<li>Calibra\u021bi periodic instrumentul.<\/li>\n\n\n\n<li>Men\u021bine\u021bi o temperatur\u0103 \u0219i o umiditate constante \u00een laborator.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Respectarea acestor practici \u00eembun\u0103t\u0103\u021be\u0219te repetabilitatea \u0219i asigur\u0103 o compara\u021bie fiabil\u0103 \u00eentre loturile de produc\u021bie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Concluzie<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/store.astm.org\/d1922-23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D1922<\/a> r\u0103m\u00e2ne standardul preferat al industriei pentru evaluarea <strong>rezisten\u021ba la rupere a foliei de plastic<\/strong> folosind metoda dovedit\u0103 <strong>Testul de rezisten\u021b\u0103 la rupere Elmendorf<\/strong>. Este simplu, dar extrem de repetabil <strong>Metoda Elmendorf<\/strong> permite produc\u0103torilor s\u0103 evalueze cu precizie propagarea ruperii, s\u0103 compare performan\u021bele materialelor, s\u0103 optimizeze proiectarea produselor \u0219i s\u0103 consolideze controlul calit\u0103\u021bii.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cen combina\u021bie cu un sistem modern <strong>aparat de testare a rezisten\u021bei la rupere<\/strong> cum ar fi Cell Instruments <strong>SLD-01 Aparat de testare a rezisten\u021bei la rupere<\/strong>, laboratoarele pot ob\u021bine fluxuri de lucru eficiente pentru testare, date fiabile \u0219i un nivel sporit de \u00eencredere \u00een performan\u021ba materialelor utilizate \u00een aplica\u021bii din domeniile ambalajelor, medical, industrial \u0219i de consum.<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D1922 is one of the most widely adopted standards for evaluating the tear strength of plastic film and thin plastic sheeting. In industries such as flexible packaging, medical packaging, food packaging, agriculture, and industrial films, tear resistance is a critical mechanical property that directly affects product durability, handling performance, and end-use reliability. The Elmendorf [&hellip;]<\/p>","protected":false},"featured_media":1442,"parent":0,"template":"","meta":{"_acf_changed":false},"standard-category":[],"class_list":["post-1440","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packtests.com\/ro\/wp-json\/wp\/v2\/standard\/1440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packtests.com\/ro\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packtests.com\/ro\/wp-json\/wp\/v2\/types\/standard"}],"version-history":[{"count":4,"href":"https:\/\/www.packtests.com\/ro\/wp-json\/wp\/v2\/standard\/1440\/revisions"}],"predecessor-version":[{"id":1600,"href":"https:\/\/www.packtests.com\/ro\/wp-json\/wp\/v2\/standard\/1440\/revisions\/1600"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packtests.com\/ro\/wp-json\/wp\/v2\/media\/1442"}],"wp:attachment":[{"href":"https:\/\/www.packtests.com\/ro\/wp-json\/wp\/v2\/media?parent=1440"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packtests.com\/ro\/wp-json\/wp\/v2\/standard-category?post=1440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}