Standard No.:	HG/T 4670-2014
English Name:	Determination of black speck and impurity in flame retardant for plastic modification
Chinese Name:	改性塑料用阻燃剂黑点和异色点的测定
Chinese Classification:	G31    Basic standards and general methods for synthetic resin and plastic
Professional Classification:	HG    Professional Standard - Chemistry
ICS Classification:	83.040.30 83.040.30    Auxiliary materials and additives for plastics 83.040.30
Issued by:	MIIT
Issued on:	2014-10-14
Implemented on:	2015-4-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	60.0
Delivery:	via email in 1~3 business day

本标准规定了改性塑料用粉体阻燃剂原料中黑点和异色点的两种测定方法：
--方法A：湿筛法，适用于粘性粉体阻燃剂；
--方法B：干筛法，适用于非粘性粉体阻燃剂。
本标准适用于改性塑料用粉体阻燃剂中黑点和异色点的测定。