Standard No.:	GB/T 28957.2-2012
English Name:	Road vehicles—Test dust for filter evaluation—Part 2:Aluminium oxide test dust
Chinese Name:	道路车辆 用于滤清器评定的试验粉尘 第2部分：氧化铝试验粉尘
Chinese Classification:	T10    Automotive engines in general
Professional Classification:	GB    National Standard
ICS Classification:	43.060.20 43.060.20    Pressure charging and air/exhaust gas ducting systems 43.060.40    Fuel systems 43.060.20
Source Content Issued by:	AQSIQ;SAC
Issued on:	2012-12-13
Implemented on:	2013-7-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	200.0
Delivery:	via email in 1~3 business day

GB/T28957的本部分规定了用于滤清器评定的五种无机试验粉尘的颗粒尺寸分布。
这些粉尘一般用于以重量法评定内燃机燃油滤清器和机油滤清器各种不同试验方法的试验。
试验粉尘也可以用于其他方面,例如需要不同的已知坚硬磨料的颗粒尺寸分布情况下的磨损试验。