Q Minerals (Xinyi) Co is a leading manufacturer of Fused Silica (Grains & Powder) and Crystalline Silica ( Sand & Powder) which are widely used as raw materials for Investment Casting, Refractory, Technical Ceramics, EMC (filler) etc.
1. Fused Silica(Quartz) Grains, Fused Micro Silica(Quartz) Powder
Grade A: SiO2: 99.9%min
Grade B: SiO2: 99.8%min
Particle size:
A: 5-50mm, 0-0.5mm, 0.5-0.2mm, 0.2-0.1mm, 0.5-1mm
B: -4+10mesh, -10+20mesh, -20+50mesh, -30+50mesh, -50+100mesh, -120F, -200F, -325F, -400F, -600F
Or in accordance with customer's request.
2. Crystalline Silica(Quartz) Sands, Crystalline Micro Silica(Quartz) Powder
High Whitness & Purity Grade: SiO2: 99.5% min-99.98%min
Refined Grade: SiO2: 99.5% min-99.9%min
Particle size:
2-4mesh, 4-10mesh, 10-20mesh, 20-40mesh, 40-80mesh, 80-200mesh, -100mesh, -200mesh, -325mesh, -400mesh, -600mesh
Or in accordance with customer's request.
3. We have Advanced Quality Control /Assurance Equipment for Testing & Analyzing: Sieve analysis, PH, Magnetics, Surface Area, Laser PSD Sizer, Full set of Chemicals Analysis.
4. We also supply following Abrasive Grains: Fused Alumina, Steel Shots & Steel Grits, Garnets from our related companies.

For more details, please contact us.