It takes high purity natural silica as raw material and then grinder it into quartz powder.

It takes high purity natural silica as raw material and then grinder it into quartz powder. It is raw material for drawing with tank furnace and for synthesis of CaSiO3 and electronical seal filling.

SiO2 content: ≥99.3%

Granularity: 325mm

Permeability: 99%