Appearance：The surface and section of Industrial silicon should be clean. It is not allowed to have slag inclusions, powdered silicon bonding and other foreign materials in the non-smelting process.
Particle size：Industrial silicon is supplied in blocks or pellets. The particle size is less than 10mm and the size is less than 5%. If other particle sizes are required, Customized production is available according to customer needs.
Chemical composition (mass fraction)/%
Nominal silicon content, not less than
The content of major impurity elements is not greater than
1、Once requirements for the trace element content in Industrial silicon, Customized production is available according to customer needs.
2、The nominal silicon content should be no less than 100% minus the total content of iron, aluminum and calcium.