{"id":137,"count":4,"description":"<h3><strong>Materiales de aplicaci\u00f3n<\/strong><\/h3>\r\n<a href=\"https:\/\/www.astm.org\/d0689-17.html\" target=\"_blank\" rel=\"noopener\">ASTM D689<\/a> especifica el m\u00e9todo de prueba est\u00e1ndar para determinar la resistencia al desgarro del papel y el cart\u00f3n. Esta prueba es esencial para evaluar la calidad y durabilidad de los materiales utilizados en embalajes, impresi\u00f3n y otras aplicaciones donde la resistencia del papel es cr\u00edtica.\r\n<h3><strong>Proceso de prueba<\/strong><\/h3>\r\nThe test involves using a tear tester for paper, such as the Elmendorf-type tear tester. A sample of the paper or paperboard is prepared, with a specific notch cut into it. The sample is then clamped into the tester, and the instrument applies a controlled force to propagate the tear through the material. The force required to complete the tear is recorded.\r\n\r\n[embed]https:\/\/youtu.be\/oo5j21g_thM[\/embed]\r\n<h3><strong>Interpretaci\u00f3n de los resultados de la prueba<\/strong><\/h3>\r\nThe test result is expressed in terms of the tearing resistance of the paper, usually in grams-force (gf). Higher values indicate greater resistance to tearing, implying a stronger and more durable material. These results help manufacturers and quality control professionals assess the material's suitability for its intended use.\r\n<h3><strong>Significaci\u00f3n de la prueba<\/strong><\/h3>\r\nThe tear strength test is significant because it provides a quantitative measure of the paper's durability and performance under stress. This information is vital for ensuring that paper products meet specific quality standards and can withstand handling and processing without failure.\r\n<h3><strong>Requisitos del instrumento<\/strong><\/h3>\r\n<a href=\"https:\/\/www.qualitester.com\/es\/producto\/easy-to-operate-paper-and-film-tear-testing-instruments-elmendorf-method\/\"><img class=\"aligncenter wp-image-4120 size-medium\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2023\/04\/SLD-01-Elmendorf-Tearing-Tester-5-300x300.jpg\" alt=\"ASTM D689 Comprobador de desgarro para papel\" width=\"300\" height=\"300\" \/><\/a>\r\n\r\nThe primary instrument used in this test is the tear tester for paper, which must be calibrated and maintained according to the manufacturer's specifications. The instrument should provide accurate and repeatable results, with a reliable method for clamping and tearing the sample.\r\n<h3><strong>Precauciones<\/strong><\/h3>\r\n<span style=\"font-size: 16px\">Aseg\u00farese de que la muestra est\u00e9 preparada de acuerdo con las dimensiones est\u00e1ndar y los requisitos de entallado.<\/span>\r\n<ol>\r\n \t<li>Verifique que el probador de desgarro est\u00e9 correctamente calibrado antes de realizar la prueba.<\/li>\r\n \t<li>Manipule las muestras de papel con cuidado para evitar da\u00f1os previos a la prueba que puedan afectar los resultados.<\/li>\r\n \t<li>Siga todos los protocolos de seguridad para evitar lesiones mientras utiliza el probador de desgarros.<\/li>\r\n<\/ol>\r\n<h3>Referencia<\/h3>\r\nM\u00e9todo de prueba est\u00e1ndar ASTM D689-17 para la resistencia al desgarro interno del papel","link":"https:\/\/www.qualitester.com\/es\/categoria-producto\/astm\/astm-d689\/","name":"ASTM D689","slug":"astm-d689","taxonomy":"product_cat","parent":99,"meta":[],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/es\/wp-json\/wp\/v2\/product_cat\/137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/es\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/www.qualitester.com\/es\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/es\/wp-json\/wp\/v2\/product_cat\/99"}],"wp:post_type":[{"href":"https:\/\/www.qualitester.com\/es\/wp-json\/wp\/v2\/product?product_cat=137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}