1)High purity ,no dust
2)SiO2>99.5%,snow white
3)800/1000/1500/2000/2500/3000/4000/6000mesh
raw silicon dioxide
1)Specifications:
silica powder is a high quality quartz smelting process through a unique form processing,
ts crystal structure orderly transition from disorder to order ,products with high whitness,
stable chemical property,uniform particle size distribution,better mobility, coefficient and
good electromagnetic radiation and excellent characteristics.
2)application:
widely used in aerospace,electronic epoxy encapsulation, precision casting,coating,
painting,printing ink,tire and rubber,silica rubber,engineering plastic,sealant,adhesive,
dental materials,cosmetic,high-grade electronic,high-grade ceramic,special ceramics,
special refractory materials,shielding materials,burnish polishing materials and so on.
3)Technical standard:
Chemical Composition | Physical Property | ||
SiO2(%) | ≥99.50 | Whiteness(%) | ≥92 |
Fe2O3(%) | <0.02 | refractive index | 1.49 |
Al2O3(%) | <0.02 | MoHS hardness | 6.6 |
TiO2(%) | <0.01 | Density(g/cm3) | 2.35 |
H2O(%) | <0.10 | PH | 7±0.2 |
Na+(ppm) | ≤3.00 | / | / |
Cl-(ppm) | ≤2.00 | / | / |
