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    ASTM D4661-18

    Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates
    • 발행일 : 2018-08-01
    • 발행기관 : ASTM
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분야 08.02 : 플라스틱 (Ⅱ)
적용범위

1.1 These test methods determine the total chlorine content of aromatic isocyanates used as polyurethane raw materials. The difference between the total chlorine content and the hydrolyzable chlorine content (see Test Method D4663) is a measure of the amount of o-dichlorobenzene and other ring-substituted chlorinated products that are present. Both procedures are applicable to a variety of organic compounds but the amount of sample used may have to be varied. (See Note 1.)

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Note 1: This standard is identical to ISO 26603.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

국제분류(ICS)코드 83.080.10 : 열경화재
페이지수 5
Edition 18

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM D4661-23상세보기 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates 2023-03-01 표준
2 ASTM D4661-23 REDLINE상세보기 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates 2023-03-01 표준
3 ASTM D4661-18상세보기 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates 2018-08-01 구판
4 ASTM D4661-18 REDLINE상세보기 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates 2018-08-01 구판
5 ASTM D4661-13상세보기 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates 2013-11-01 구판
6 ASTM D4661-09상세보기 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates 2009-02-01 구판
7 ASTM D4661-03상세보기 Standard Test Methods for Polyurethane Raw Materials: Determination of Total Chlorine in Isocyanates 2003-11-01 구판
8 ASTM D4661-98상세보기 Standard Test Methods for Polyurethane Raw Materials Determination of Total Chlorine in Isocyanates 1998-07-10 구판

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