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Silica powder
The main component of silica micro powder is SiO2, which is processed from natural quartz. The Mohs hardness is 7.0, making it a non-toxic, odorless, and pollution-free inorganic non-metallic material.
Product Overview
1.Physical and chemical properties
The main component of silica micro powder is SiO2, which is processed from natural quartz. The Mohs hardness is 7.0, making it a non-toxic, odorless, and pollution-free inorganic non-metallic material.
KDJ
Test ite | unit | JLH-G0 | JLH-G6 | JLH-G10 | JLH-G15 |
Whiteness，≥ | % | 85 | 88 | 90 | 92 |
Grain size，D50 | μm | 18.0±2.0 | 9.5±1.5 | 5.0±1.0 | 1.6±0.6 |
| SiO₂，≥ | % | 97.0 | 97.0 | 97.0 | 97.0 |
| Al₂O₃，≤ | % | 1.0 | 1.0 | 1.0 | 1.0 |
| Fe₂O₃，≤ | % | 0.3 | 0.3 | 0.3 | 0.3 |
Loss on ignition，≤ | % | 1.0 | 1.0 | 1.0 | 1.0 |
Volatile component，≤ | % | 0.5 | 0.5 | 0.5 | 0.5 |
Product features
3.Product features
The product has a uniform particle size distribution, high whiteness, high hardness, low oil absorption, good temperature resistance, acid and alkali corrosion resistance, excellent dielectric properties, low thermal expansion coefficient, high thermal conductivity, and good suspension performance. During curing, it reduces shrinkage rate, reduces internal stress of components, and prevents cracking.
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