... 425um≤3%-53um≤3%(32-425)um+425um≤3%-32um≤2%(32-53)um≤8%(250-140)um+250≤3%- ... 74um≤10%* Granularity: Or according to customer specific requirements. Applications: 1. In the organic silicon industry, the industrial silicon powder is ... heat resistance, electrical insulation, corrosion resistance, watertightness and other characteristics. 2. Industrial silicon powder is made into single crystal silicon, and ...