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International Standard Category: Plastics pipes and fittings for non fluid use

GB/T 18251-2000    Method for the assessment of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds
聚烯烃管材、管件和混配料中颜料或炭黑分散的测定方法;
Category No.:83.140.30 Valid Status:superseded
Issued Organization:CBTS Issued Date:2000-1-1
Implemented Date:2001-5-1 Abolished Date:2020-03-01
Superseded Standard.:GB/T 18251-2019 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds
Superseded Date:2020-3-1
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