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BS ISO 12103 Road vehicles Test dust for filter车辆灰尘测试用于评估滤膜

发布时间: 2011-03-12 17:01 来源:贝克曼库尔特商贸(中国)有限公司

下载地址:BS ISO 12103 Road vehicles Test dust for filter车辆灰尘测试用于评估滤膜


2 Test dust description Test dusts according to this part of ISO 12103 are manufactured from Arizona desert sand. Arizona desert sand is a naturally occurring contaminant consisting primarily of silicon dioxide with smaller amounts of other compounds. It is collected from a select area of Arizona desert, jet-milled and classified to specific particle size. 4 Particle size distribution Particle size distribution is determined using a Coulter1) Multisizer IIeTM particle size analyser. Table 2 specifies cumulative volume particle size limits for ISO-specified test dusts made from Arizona desert sand.

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