Feature
Silica dioxide (SiO2) powder finds extensive use in the industrial paint industry due to its diverse properties and applications.
Here's how it is utilized:
Matting Agent: SiO2 powder is commonly used as a matting agent in industrial paint formulations to reduce glossiness
and create matte or satin finishes on painted surfaces. It helps control the level of sheen and improves the aesthetic
appeal of the paint.
Anti-Corrosion Properties: Silica dioxide powder can enhance the corrosion resistance of industrial paints when added as
an additive. It forms a protective barrier on metal surfaces, preventing corrosion caused by exposure to moisture, chemicals,
and environmental pollutants.
Reinforcement: SiO2 powder serves as a reinforcing filler in industrial paint formulations, enhancing the mechanical properties
and durability of the paint coating. It improves scratch resistance, abrasion resistance, and impact resistance, making the paint
suitable for harsh industrial environments.
Thickening Agent: In some cases, SiO2 powder is used as a thickening agent in industrial paint formulations to adjust viscosity
and improve the application properties of the paint. It helps prevent sagging, dripping, and running during application, ensuring
uniform coverage and film thickness.
Anti-Settling Agent: SiO2 powder helps prevent settling of pigments and other solid particles in paint formulations, maintaining
stability and homogeneity. It ensures uniform color distribution and prevents pigment separation during storage and application.
Adhesion Promoter: SiO2 powder enhances the adhesion of industrial paint coatings to various substrates, including metals,
concrete, wood, and plastics. It promotes strong bonding between the paint and substrate, improving overall coating performance
and longevity.
Weather Resistance: Industrial paints containing SiO2 powder additives exhibit enhanced weather resistance, providing protection
against UV radiation, moisture, and extreme temperatures. They resist fading, chalking, and degradation, ensuring long-term
durability and color retention.
Scratch and Chemical Resistance: SiO2 powder additives improve the scratch resistance and chemical resistance of industrial
paint coatings, making them suitable for demanding applications where durability and performance are critical.
Overall, SiO2 powder plays a crucial role in formulating high-performance industrial paints with enhanced durability, weather
resistance, and aesthetic properties. Its versatility and compatibility with various paint systems make it a valuable additive in the
industrial paint industry.
Physical and Chemical Data:
Item
| D17
| Heavy metal,mg/kg | ≤0.001 |
Content of sio2(dry basis) %
| 99.3 | Specific Surface Area ,m2/g
| 50-70 |
Bulk Density, g/l
| 130-150 | Particle Size(Malvent D50),um
| 8-10 |
Loss on drying(105℃ ，2Hrs)
| ≤4.0
| Ignition loss(1000℃,2Hrs)
| ≤8.0
|
Salt as Na2SO4, %
| ≤1.0
| PH(5% Liquor)
| 6.5-7.5
|
Application: Used in a wide range of defoamers.
