Standard No.:	GB/T 21992-2008
English Name:	Polyvinyl chloride resins for Paste - Determination of number of impurities particles and foreign particles
Chinese Name:	糊用聚氯乙烯树脂 杂质与外来粒子数的测定
Chinese Classification:	G32    Synthetic resin and plastic
Professional Classification:	GB    National Standard
ICS Classification:	83.080.20 83.080.20    Thermoplastic materials 83.080.20
Issued by:	AQSIQ; SAC
Issued on:	2008-6-4
Implemented on:	2008-12-1
Status:	superseded
Superseded by:	GB/T 12004.1-1989 Determination of impurities particles number in polyvinyl chloride paste resins
Superseded on:	1990-11-1
Superseding:	GB/T 12004.1-1989 Determination of impurities particles number in polyvinyl chloride paste resins
Language:	English
File Format:	PDF
Word Count:	1500 words
Price(USD):	85.00
Delivery:	via email in 1~3 business day

本标准于１９８９年首次发布。本标准代替ＧＢ／Ｔ１２００４．１—１９８９《聚氯乙烯糊树脂中杂质粒子数的测定》。本标准规定了糊用聚氯乙烯树脂中杂质与外来粒子数的测定原理、所用仪器和材料、操作步骤及结果表示等内容。本标准与ＧＢ／Ｔ１２００４．１—１９８９主要差异如下：
———修改了标准名称；
———删除了邻苯二甲酸二辛酯用绸布过滤的要求（１９８９年版４．１）；
———增加了邻苯二甲酸二辛酯的质量要求（本版３．６）。