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ISO/FDIS 4656  橡胶配合剂 - 炭黑 - 测定吸油值( OAN )和压缩试样吸油值( COAN )

标准编号:ISO/FDIS 4656
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中文标准名称:橡胶配合剂 - 炭黑 - 测定吸油值( OAN )和压缩试样吸油值( COAN )
英文标准名称:Rubber compounding ingredients - Carbon black - Determination of oil absorption number (OAN) and oil absorption number of compressed sample (COAN)
标准状态:已作废
代替标准号:ISO/DIS 4656.2
被代替标准号:ISO 4656:2007
语言:英文版, 中文版
标准类别:国际标准化组织ISO
中国标准文献分类法(中标分类CCS):
中国标准文献分类法(中标分类CCS):橡胶和塑料工业 >> 橡胶原料和塑料原料 >> 橡胶合成配料
标准简介:

A note about ISO FDIS documents

This document is a Final Draft International Standard (FDIS) published by ISO. An FDIS is a Draft International Standard that has previously been approved by ISO members, and is issued for a final Yes/No vote within a period of two months from publication. Note that if technical comments are received during this period, they are no longer considered at this stage, but registered for consideration during a future revision of the International Standard. In the rare event of an FDIS not being approved, the FDIS is referred back to the originating Technical Committee for reconsideration in the light of the technical reasons submitted in support of the negative votes received.

Abstract

Oil absorption number (OAN) is a measure of the ability of a carbon black to absorb liquids. This property is a function of the structure of the carbon black. Either dibutyl phthalate (DBP) or paraffin oil is acceptable for use with standard pelleted grades, including N-series carbon blacks found in ASTM D 1765, although OAN testing using paraffin oil on some speciality blacks and powder blacks may result in unacceptable differences as compared to OAN testing using DBP oil. While studies have shown the two oils to give comparable precision, paraffin oil offers the advantage of being non-hazardous.

ISO 4656:2007 specifies a method using an absorptometer for the determination of the oil absorption number of carbon black for use in the rubber industry.

The same method is used for the determination of the oil absorption number of compressed samples of carbon black. The procedure for the preparation of the compressed samples is described in the standard.

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文件大小:268 KB
添加时间:2014/08/25
 
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