Standard No.:	GB/T 4616-2008
English Name:	Plastics - Phenolic moulding materials - Determination of acetone-soluble matter (apparent resin content of material in the unmoulded state)
Chinese Name:	塑料　酚醛模塑料　丙酮可溶物（未模塑态材料的表观树脂含量）测定
Chinese Classification:	G31    Basic standards and general methods for synthetic resin and plastic
Professional Classification:	GB    National Standard
ICS Classification:	83.080.01 83.080.01    Plastics in general 83.080.01
Issued by:	AQSIQ; SAC
Issued on:	2008-8-4
Implemented on:	2009-4-1
Status:	valid
Superseding:	GB/T 4616-1984 Phenolic moulding materials;Determination of acetone soluble matter(apparent resin content of material in the unmoulded state)
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	70.00
Delivery:	via email in 1~3 business day

本标准代替GB/T 4616-1984《酚醛模塑料丙酮可溶物》（未模塑态材料的表观树脂含量）的测定》。
本标准规定了重量法测定丙酮在其沸点附近从酚醛模塑料粉末中抽提的可溶物的含量。
本标准仅适用于以线型酚醛树脂为基材的模塑料，而不适用于以甲阶酚醛树脂为基材的模塑料，因为后类树脂不能完全溶于丙酮。
本标准与GB/T 4616-1984主要不同如下：
——标准名称改为与ISO标准一致；
——增加了“规范性引用文件”一章；
——增加了“术语和定义”一章；
——编辑性修改。