China Factory For Silica Free Powder - Fused Silica Powder First Grade, aslso Called Silicon Dioxide, with High Purity and Whiteness Sio2 99.9% as Refractory Raw Materials (325 Mesh, 200 Mesh,120Mesh) – Sainuo
China Factory For Silica Free Powder - Fused Silica Powder First Grade, aslso Called Silicon Dioxide, with High Purity and Whiteness Sio2 99.9% as Refractory Raw Materials (325 Mesh, 200 Mesh,120Mesh) – Sainuo Detail:
I.Characteristics
1. Near zero thermal expansion, extremely low thermal conductivity.
2. Excellent thermal stability.
3. High purity (the SiO2 content is above 99.8%).
4. Chemical properties are stable.
5. General mechanical production, particle size for angle type.
II. Main Areas of Application
The Fused silica powder mainly used in electronic sealing,paint,coating,Silican rubber,investment casting and high-grade electrical insulation and so on. High grade quartz nozzle,Filling materials including epoxy resin casting, electronic sealing,paint, coating,etc.
III. Basic Parameters
Bulk Density :2.2 g/m3
Hardness :7
Softening Point :1700°C
Melting Point :1750°C
Coefficient of Thermal Expansion :0.1
PH value :6
IV. Chemical Composition
Guaranteed Value | Typical Values | |
SiO2 | 99.7%min | 99.91% |
Al2O3 | 500ppmmax | 360ppm |
Fe2O3 | 500ppmmax | 150ppm |
V. Availability Specifications
1. Block 0-60 mm
2. Granular
8-5mm | 5-3mm | 3-1mm | 1-0mm |
20-40 mesh | 40-70 mesh | 70-120 mesh | 0.1-0.2mm |
We are a quartz company which is one of the leading producing,grinding,crushing and exporting of quartz materials in Xuzhou China.
We have over 10 years production experience in precision casting and refractory materials.
We also offer a modified specification upon client requirement,Can be produced customized size and specifications to customer granularity requirements,
◆Products feature
1.With lower dielectric constant; Higher purity, better electrical insulation performance, high whiteness; Very low coefficient of thermal expansion;
2.More stable chemical properties,excellent acid and alkali resistance, corrosion resistance, weather resistance.
Product detail pictures:
Related Product Guide:
Our team through qualified training. Skilled professional knowledge, powerful sense of support, to satisfy the support desires of consumers for China Factory For Silica Free Powder - Fused Silica Powder First Grade, aslso Called Silicon Dioxide, with High Purity and Whiteness Sio2 99.9% as Refractory Raw Materials (325 Mesh, 200 Mesh,120Mesh) – Sainuo , The product will supply to all over the world, such as: Germany, Thailand, Tunisia, We have more than 8 years of experience in this industry and have a good reputation in this field. Our products have won praise from customers worldwide. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.
By Bruno Cabrera from Rotterdam - 2018.06.03 10:17
The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.
By Maureen from Seychelles - 2017.02.18 15:54