Silica Flour HIM2
High Purity Silicone dioxide
Technical Grade
Silica flour is a finely ground form of crystalline silica (silicon dioxide, SiO₂), typically derived from high-purity quartz sand or quartzite. It is processed into an ultrafine powder with a consistent particle size, making it a valuable material for various industrial and manufacturing applications.
Key Properties of Silica Flour
- Chemical Composition: Primarily silicon dioxide (SiO₂),
- Appearance: White or off-white powder.
- Particle Size: Very fine, usually measured in microns, allowing for precision applications.
- High Purity: Often used when purity and chemical stability are critical.
- Thermal Stability: High melting point and resistance to heat make it suitable for high-temperature applications.
- Hardness: Silica's hardness provides strength and durability in composite materials.
Common Uses of Silica Flour
1. Industrial Applications
- Foundry Work: Used in molds and cores for casting metals due to its thermal stability and ability to maintain precise shapes at high temperatures.
- Abrasives: Utilized in polishes, sandpapers, and cleaning compounds for its hardness and fine particle size.
2. Construction Materials
- Concrete and Cement: Acts as a filler and enhances the durability, strength, and workability of concrete and specialty cements.
- Grouts and Mortars: Improves density and reduces shrinkage in formulations.
3. Glass and Ceramics
- Glass Manufacturing: A key raw material for producing high-quality glass, including flat glass, container glass, and specialty glasses.
- Ceramics and Refractories: Used in the production of tiles, bricks, and other ceramic products, enhancing thermal resistance and durability.
4. Paints and Coatings
- Filler and Extender: Silica flour improves the durability, weather resistance, and texture of paints and coatings. It also helps control viscosity and provides a smooth finish.
5. Rubber and Plastics
- Reinforcing Agent: Added to rubber and plastic formulations to improve mechanical properties, such as tensile strength and abrasion resistance.
6. Oil and Gas Industry
- Drilling Fluids: Used as a weighting material in drilling fluids to control pressure and stabilize wellbores.
- Cementing Applications: Enhances the strength and stability of well cement in high-temperature environments.
7. Chemical Industry
- Catalyst Support: Serves as a stable and inert medium for catalysts in chemical reactions.
- Silicon-Based Products: Used in the synthesis of silicones and other silicon-based compounds.
Properties of Silica Flour :
SILICA FLOUR – HIM 2
Other Names - Silicone Dioxide, Quartz
CAS No - 14808-60-07
SiO2 - 99.7% typical
Al2O3 - 0.1% typical
TiO2 - 0.02% typical
Fe2O3 - 0.03% typical
CaO - 0.006% typical
K2O - 0.01% typical
Na2O - 0.006% typical
Moisture:- <1.0%
Granulometry:
Residue on 53μm - 2,5% typical
d50:- 17μm typical
Click here for the Specification sheet