{"id":15441,"date":"2023-01-03T15:20:09","date_gmt":"2023-01-03T20:20:09","guid":{"rendered":"https:\/\/www.alpha-technologies.com\/?p=15441"},"modified":"2023-04-05T11:39:23","modified_gmt":"2023-04-05T15:39:23","slug":"astm-for-rubber-testing","status":"publish","type":"post","link":"https:\/\/www.alphatechnologies.cn\/en\/blog\/astm-for-rubber-testing\/","title":{"rendered":"ASTM  for Rubber Testing"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"15441\" class=\"elementor elementor-15441\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-681d5054 ot-traditional elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"681d5054\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-16bfe135 ot-flex-column-vertical\" data-id=\"16bfe135\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-inner-section elementor-element elementor-element-7f8ef5b elementor-section-full_width ot-traditional elementor-section-height-default elementor-section-height-default\" data-id=\"7f8ef5b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-2e8692f ot-flex-column-vertical\" data-id=\"2e8692f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-53794bd elementor-widget elementor-widget-image\" data-id=\"53794bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/03\/ALPHA-Logo_tag-square_white-on-blue-150x150.png\" class=\"attachment-thumbnail size-thumbnail wp-image-12239\" alt=\"Rheology Scientists &amp; Engineers\" srcset=\"https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/03\/ALPHA-Logo_tag-square_white-on-blue-150x150.png 150w, https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/03\/ALPHA-Logo_tag-square_white-on-blue-300x300.png 300w, https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/03\/ALPHA-Logo_tag-square_white-on-blue.png 530w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-50af64b ot-column-items-center ot-flex-column-vertical\" data-id=\"50af64b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7c0778e elementor-widget elementor-widget-heading\" data-id=\"7c0778e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Author <\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7affb3 elementor-widget elementor-widget-heading\" data-id=\"a7affb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Alpha Technologies<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-8dbac0c elementor-widget elementor-widget-spacer\" data-id=\"8dbac0c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb45540 elementor-widget elementor-widget-text-editor\" data-id=\"cb45540\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Over the last twenty years, much work has been performed in the ASTM task groups of D11.12 Subcommittee on Rubber Processability Measurements with the Rubber Process Analyzer (RPA). As a result, nine new standards have been developed and routinely used by the rubber industry to test different raw elastomers and measure and control compound masterbatches and finals, with curatives, from various mixing processes all over the world.<\/p><ul><li>ASTM <a href=\"https:\/\/www.astm.org\/d5289-19a.html\">D5289<\/a> \u2013 The original MDR Curemeter Standard on which a significant amount of modern day RPA technology is based.<\/li><li>ASTM <a href=\"https:\/\/www.astm.org\/d6204-19a.html\">D6204<\/a> Part A \u2013 Simple 1 point per decade frequency sweep at \u00b17% strain (usually in the linear viscoelastic range) at 100\u00b0C for testing either raw rubbers or mixed stocks in the factory.<ul><li>ASTM D6204 Part B \u2013 Simple 2 point frequency sweep at 0.1 and 1 Hz at \u00b1100 and \/ or\u00a0\u00b1200 % strain at 100\u00b0C for testing in the non-linear viscoelastic range for either raw rubber or mixed stocks in the factory.\u00a0<\/li><li>ASTM D6204 Part C \u2013 A variable temperature analysis (VTA) thermal ramp typically from 100 to 180\u00b0C, for better test sensitivity to changes in scorch safety for \u201cfinals\u201d (uncured compounds containing curatives.<\/li><\/ul><\/li><li>ASTM <a href=\"https:\/\/www.astm.org\/d6601-19.html\">D6601<\/a> \u2013 An isothermal cure test followed by one or two back-to-back strain sweeps to measure quickly cured dynamic properties of the rubber compound at a lower temperature.<\/li><li>ASTM <a href=\"https:\/\/www.astm.org\/d7050-04r19.html\">D7050<\/a> \u2013 Consisting of high strain sweep tests to quickly distinguish the differences\u00a0between \u201ctough\u201d natural rubber and \u201csoft\u201d natural rubber.\u00a0<\/li><li>ASTM <a href=\"https:\/\/www.astm.org\/d6049-03r22.html\">D6048<\/a> \u2013 a stress relaxation test for quickly determining the state-of-mix of a mixed stock or viscoelastic characterization of raw rubber in regards to AMW, MWD, LCB, and Gel.<\/li><li>ASTM <a href=\"https:\/\/www.astm.org\/d8491-22.html\">D8059<\/a> \u2013 Using the RPA with Extended Dynamic Range (EDRTM), after a conditioning time, starting with a very low applied strain at \u00b10.07 % and increasing quickly to \u00b1300%, measuring the Payne effect for quickly determining the state-of-mix and % dispersion of a rubber compound filled with a colloidal particle size filler such as carbon black or precipitated silica.<\/li><li>ASTM <a href=\"https:\/\/www.astm.org\/d7605-11r22.html\">D7605<\/a> \u2013 Using the RPA with parallel plate dies to measure both the processing characteristics and congealed properties of Thermoplastic Vulcanizates (TPVs) and Thermoplastic Elastomers (TPEs).\u00a0<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-87d2b48 ot-traditional elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"87d2b48\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e8ff2cb ot-flex-column-vertical\" data-id=\"e8ff2cb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-inner-section elementor-element elementor-element-a09896b elementor-section-full_width elementor-section-content-bottom ot-traditional elementor-section-height-default elementor-section-height-default\" 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[\u2026]<\/p>\n","protected":false},"author":4,"featured_media":15909,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","footnotes":""},"categories":[19],"tags":[174,173,141,21],"post_folder":[],"class_list":["post-15441","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-astm","tag-rubber-process-analyzer","tag-rubber-testing","tag-rpa"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/posts\/15441","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/comments?post=15441"}],"version-history":[{"count":10,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/posts\/15441\/revisions"}],"predecessor-version":[{"id":15916,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/posts\/15441\/revisions\/15916"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/media\/15909"}],"wp:attachment":[{"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/media?parent=15441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/categories?post=15441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/tags?post=15441"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/post_folder?post=15441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}