Silica - Paint industry
Silica (Silicon dioxide) is known for its many applications in the industry. In particular, with current paint products, Silica brings many features to the product such as:
1. Filler to improve physical properties
Silica is used as a filler to:
- Increase hardness, impact resistance, abrasion resistance of the paint film.
- Reduce film shrinkage, making the paint more durable when dry.
- Stabilize the structure of the paint film in different environmental conditions.
2. Thixotropic agent
Silica in the form of fumed silica (silica fume) is used to:
- Increase the structural viscosity of the paint → the paint film does not sag during construction.
- Helps the paint to be thicker but still easy to stir.
- Creates thixotropic properties: the paint is thin when stirred, thick when standing still.
3. Increases opacity and light dispersion
Nano Silica in the form of superfine particles is used in:
- Matte paint – helps control gloss.
- Semi-matte, satin paint – creates a smooth surface feel.
- Anti-glare paint for wood, metal, interior.
4. Increase chemical resistance - weather resistance
Chemically inert and UV resistant silica helps:
- Increase resistance to aging and chalking.
- Increase heat resistance (good for powder coating and heat-resistant paint).
- Support to protect the binder from UV rays.
5. Improve anti-slip ability
Large size or granular silica is used in:
- Anti-slip paint for industrial floors, stairs, ships.
- Create surface roughness.
6. Stabilize glue, good dispersion
Nano silica helps:
- Stabilize water and solvent systems.
- Limit separation and pigment sedimentation.
- Increase dispersion for color.
7. Increase coverage and reduce costs
As a filler:
- Reduce the amount of binder or TiO₂ needed → helps to reduce costs.
- Improve coverage due to good light dispersion.
For further advice on suitable Silica codes in paint products, please contact:
HUST MEN JSC
Hotline: 093.323.1996
Mail: admin@hustmen.com