GB/T 28957.1-2023: Road vehicles - Test dust for filter evaluation - Part 1: Silicon dioxide test dust

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Scope

This document specifies the particle size distribution limits and chemical composition of the
four grades of test dust manufactured using Arizona desert sand and the two types of test dust
from the BF silicon dioxide series.
This document is applicable to the performance measurement of filters for road vehicles, as
well as the performance measurement of filters for general-purpose internal combustion
engines, and the study of wear of bearings, sealing elements and other components.
This document does not apply to the calibration of particle counters. If there is a demand in this
regard, refer to GB/T 18854.

Basic Data

Standard ID	GB/T 28957.1-2023 (GB/T28957.1-2023)
Description (Translated English)	Road vehicles - Test dust for filter evaluation - Part 1: Silicon dioxide test dust
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	T10
Classification of International Standard	43.060.20, 43.060.40
Word Count Estimation	23,259
Date of Issue	2023-11-27
Date of Implementation	2024-08-01
Older Standard (superseded by this standard)	GB/T 28957.1-2012
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration