Standard No.:	GB/T 20167-2012
English Name:	Physical test method of rare earth polishing powder - Determination of burnishing mass and scratch - Gravimetry
Chinese Name:	稀土抛光粉物理性能测试方法 抛蚀量和划痕的测定 重量法
Chinese Classification:	H65    Rare metals and their alloys
Professional Classification:	GB    National Standard
ICS Classification:	77.120.99 77.120.99    Other non-ferrous metals and their alloys 77.120.99
Source Content Issued by:	AQSIQ;SAC
Issued on:	2012-11-5
Implemented on:	2013-5-1
Status:	valid
Superseding:	GB/T 20167-2006 Physical test method of rare earth polishing powder - Determination of burnishing mass - Gravimetric analysis method
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	104.0
Delivery:	via email in 1~3 business day

本标准规定了用双面研磨机测定稀土抛光粉的抛蚀量和划痕的方法。
本标准适用于以铈基稀土为主的稀土抛光粉抛蚀量和划伤率的测定。测定范围分别为:抛蚀量0.05mg/(cm2·min)~0.25mg/(cm2·min)、划伤率0%~100%。