{"id":162604,"date":"2024-10-19T09:47:56","date_gmt":"2024-10-19T09:47:56","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/astm-d7253-2016-2\/"},"modified":"2024-10-25T02:05:44","modified_gmt":"2024-10-25T02:05:44","slug":"astm-d7253-2016-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/astm\/astm-d7253-2016-2\/","title":{"rendered":"ASTM-D7253 2016"},"content":{"rendered":"<h3>ASTM D7253-16<\/h3>\n<h4>Redline Standard: Standard Test Method for Polyurethane Raw Materials: Determination of Acidity as Acid Number for Polyether Polyols<\/h4>\n<div>\n<h4>ASTM D7253<\/h4>\n<p><strong>Scope<\/strong><\/p>\n<div class=\"SectionLevel2\">\n<p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.1<\/span>&nbsp;This test method measures the acidic constituents in polyether polyols and reports the results as acid number. The typical acid number range is 0-0.1 mg KOH\/g sample. (See <span class=\"Body-link1 cdone\">Note 1<\/span>.)<\/p>\n<\/p><\/div>\n<div class=\"SectionLevel2\">\n<p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.2<\/span>&nbsp;The values stated in SI units are to be regarded as standard.<\/p>\n<\/p><\/div>\n<div class=\"SectionLevel2\">\n<p class=\"caveat cdone2\"><span class=\"Head3 cdone\">1.3<\/span>&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<div style=\"text-align:left\" class=\"NoteLevel1\">\n<p><span class=\"note cdone\" style=\"text-transform: uppercase\">Note 1:<\/span>&nbsp;<span class=\"note cdone\">There is no known ISO equivalent to this standard.<\/span><\/p>\n<\/p><\/div>\n<p><strong>Keywords<\/strong><\/p>\n<p>acidity; acid number; hydroxyl number; polyether polyols;<\/p>\n<p><strong>ICS Code<\/strong><\/p>\n<p>ICS Number Code 83.080.20 (Thermoplastic materials)<\/p>\n<p><strong>DOI:<\/strong> 10.1520\/D7253-16<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p><b>D7253-16 Standard Test Method for  Polyurethane Raw Materials: Determination of Acidity as Acid  Number for Polyether Polyols (Redline)<\/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>2016<\/td>\n<td>3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":162612,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1179,2637],"product_tag":[],"class_list":{"0":"post-162604","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-080-20","7":"product_cat-astm","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/162604","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\/162612"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=162604"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=162604"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=162604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}