Silica Powder, Ground Silica, 10 Micron
High-purity crystalline silica, 99.2% SiO₂, 10-micron median size.
SKU: MUS40
Silica Powder, Ground Silica, 10 Micron (MUS40)
MUS40 is a high-purity, high-quality natural crystalline silica powder with at least 99.2% SiO₂ content. This ground silica sand features a controlled particle size distribution with a median size of 10 microns, low moisture content, and inert chemical properties. MUS40 is ideal as a filler or extender for applications such as paints, coatings, sealants, silicone rubber, and epoxy formulations.
Product Specifications
| Chemical Composition | |
| SiO₂ (Silica) | 99.5% |
| Fe₂O₃ (Ferric Oxide) | 0.024% |
| Al₂O₃ (Aluminum Oxide) | 0.30% |
| TiO₂ (Titanium Dioxide) | 0.01% |
| CaO (Calcium Oxide) | 0.02% |
| MgO (Magnesium Oxide) | 0.01% |
| Na₂O (Sodium Oxide) | 0.01% |
| K₂O (Potassium Oxide) | 0.01% |
| Loss on Ignition | 0.01% |
| CAS Number | 14808-60-7 |
Physical Properties
| Median Particle Size | 10.5 microns |
| Specific Gravity | 2.65 |
| Tapped Density | 65 lbs./ft³ |
| Loose Density | 50 lbs./ft³ |
| Oil Absorption | 22 |
| Mohs Hardness | 7.0 |
| Reflectance | 90% |
| Yellowness Index | 4.0 |
| % Thru 325 Mesh | 99.2% |
Applications and Benefits:
- Filler for paints and coatings
- Extender for sealants and adhesives
- Additive for silicone rubber and epoxy
- High reflectance and inert properties
- Controlled particle size distribution for improved performance
Caution:
Store in a dry location. Avoid inhalation of dust. Use protective gear when handling.