Place of Origin : Zhangzhou,China  
                                                         
Fused Silica 
Fused Silica is made from high purity silica, using unique fusion technology to ensure the highest quality. 
Chemical Analysis:
Content	Grits	Powder
SiO2	99.9%min	99.8%min
AL2O3	40ppm max	100ppm max
Fe2O3	20ppm max	60ppm max
Na2O	20ppm max	50ppm max
K2O	15ppm max	50ppm max
Available Grit Sizes:
Grits: 0.5-1mm,0.2-0.1mm,0-0.5mm,0.5-1mm,1-3mm,3-5mm,5-8mm,3-10mm
Powder: 4/10mesh,10/20mesh,20/50mesh,30/50mesh,120,200,325mesh.