{"id":144936,"date":"2024-10-19T08:28:48","date_gmt":"2024-10-19T08:28:48","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/astm-c421-6\/"},"modified":"2024-10-25T00:45:41","modified_gmt":"2024-10-25T00:45:41","slug":"astm-c421-6","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/astm\/astm-c421-6\/","title":{"rendered":"ASTM-C421"},"content":{"rendered":"<h3>ASTM C421-08-Reapproved2014<\/h3>\n<h4>Historical Standard: Standard Test Method for Tumbling Friability of Preformed Block-Type and Preformed Pipe-Covering-Type Thermal Insulation<\/h4>\n<div>\n<h4>ASTM C421<\/h4>\n<p><strong>Scope<\/strong><\/p>\n<div class=\"SectionLevel2\">\n<p class=\"subsec1\">1.1&nbsp;This test method covers determination of the mass loss of preformed block-type and preformed pipe-covering-type thermal insulation as a result of a combination of abrasion and impact produced by a laboratory tumbling mechanism.<\/p>\n<\/p><\/div>\n<div class=\"SectionLevel2\">\n<p class=\"subsec1\">1.2&nbsp;The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.<\/p>\n<\/p><\/div>\n<div class=\"SectionLevel2\">\n<p class=\"caveat\">1.3&nbsp;<i>This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.<\/i><\/p>\n<\/p><\/div>\n<p><strong>Keywords<\/strong><\/p>\n<p>mass loss; thermal insulating materials\u2014block\/board; tumbling friability<\/p>\n<p><strong>ICS Code<\/strong><\/p>\n<p>ICS Number Code 27.220 (Heat recovery. Thermal insulation)<\/p>\n<p><strong>DOI:<\/strong> 10.1520\/C0421-08R14<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><b>C421-08(2014) Standard Test Method for  Tumbling Friability of Preformed Block-Type and Preformed Pipe-Covering-Type  Thermal Insulation<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/astm\/\"><b>ASTM<\/b><\/a><\/td>\n<td>2014<\/td>\n<td>3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":144938,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2637],"product_tag":[],"class_list":{"0":"post-144936","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-astm","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/144936","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/144938"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=144936"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=144936"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=144936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}