Q minerals (xinyi) Co., Ltd., 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 (malvern mastersizer 2000 analysizer ): Sieve analysis, pH, magnetics, surface area, laser psd sizer, full set of chemicals analysis.

For more details, please contact me.