{"id":609982,"date":"2024-11-05T22:48:58","date_gmt":"2024-11-05T22:48:58","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-248-12021\/"},"modified":"2024-11-05T22:48:58","modified_gmt":"2024-11-05T22:48:58","slug":"iso-248-12021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-248-12021\/","title":{"rendered":"ISO 248-1:2021"},"content":{"rendered":"<p>This document specifies two methods for the determination of volatile-matter content in raw rubbers by using a hot mill or an oven.<\/p>\n<p>These methods are applicable to the determination of the volatile-matter content in the \u201cR\u201d group of rubbers listed in ISO\u00a01629. These are rubbers having an unsaturated carbon chain, for example natural rubber and synthetic rubbers derived at least partly from di-olefins. These methods can also be applicable to other raw rubbers, but in these cases it is necessary to demonstrate that the change in mass is due solely to loss of actual volatile matter and not to rubber degradation.<\/p>\n<p>The hot-mill method is not applicable to natural rubber, to synthetic rubbers which are too difficult to handle on a hot mill or to synthetic rubbers in powder or chip form.<\/p>\n<p>The two methods do not necessarily give identical results. Therefore, in the case of dispute, the oven method, procedure\u00a0A, is the reference method.<\/p>\n<p>NOTE\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 The applicability of each test method to various types of rubber is summarized in Annex\u00a0A.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Rubber, raw \u2014 Determination of volatile-matter content \u2014 Part 1: Hot-mill method and oven method<\/b><\/p>\n<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\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2021-06<\/td>\n<td>18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":609992,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1172,2634],"product_tag":[],"class_list":{"0":"post-609982","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-040-10","7":"product_cat-iso","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\/609982","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\/609992"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=609982"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=609982"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=609982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}