Crystalline Silica Powder
Made from natural quartz through fine grinding and classification, featuring high purity, high whiteness, uniform particle size and stable chemical properties. Widely used in coatings, rubber, plastics, adhesives and other fields.
| SiO₂ Content | ≥99.5% |
|---|---|
| Whiteness | ≥92 |
| Particle Size (D50) | 2-45μm |
| Mohs Hardness | 7 |
| Density | 2.65 g/cm³ |
| Moisture | ≤0.1% |
| Oil Absorption | 25-35 g/100g |
| PH Value | 6.5-7.5 |
| Loss on Ignition | ≤0.3% |
| Conductivity | ≤50 μs/cm |
| Model | Mesh | D50 | Purity | Applications |
|---|---|---|---|---|
| SA-90 | — | 90 μm | ≥99.5% | Coarse FillingThermal Pads |
| SA-45 | — | 45 μm | ≥99.5% | Thermal PadsPotting Compounds |
| SA-20 | — | 20 μm | ≥99.5% | Thermal GelsPotting Compounds |
| SA-10 | — | 10 μm | ≥99.5% | Electronic PackagingPotting Compounds |
| SA-5 | — | 5 μm | ≥99.5% | Electronic GradeThermal Gels |
Spherical alumina is high-purity spherical alumina powder with excellent thermal conductivity, insulation and wear resistance.
Standard D50 from 5μm to 90μm. Choose based on thermal conductivity requirements.
Mainly used in thermal pads, thermal gels, potting compounds and electronic packaging.
Spherical particles give higher filling rate, better thermal pathways and lower viscosity, significantly boosting thermal conductivity.