Product Description
Silicon dioxide (SiO2) is commonly used in plastic paint coatings for various purposes due to its unique properties. Here's
how silicon dioxide is utilized in plastic paint coatings:
Matting Agent: Silicon dioxide is often used as a matting agent in plastic paint coatings to reduce glossiness and achieve a
matte or satin finish on the surface. Fine particles of silicon dioxide scatter light, resulting in a less reflective appearance.
Reinforcement: Silicon dioxide nanoparticles can act as reinforcing fillers in plastic paint coatings, improving mechanical properties
such as hardness, scratch resistance, and abrasion resistance. This reinforcement enhances the durability and longevity of the
painted plastic surfaces.
Thickening Agent: Silicon dioxide can serve as a thickening agent in plastic paint formulations, helping to control viscosity and
improve application properties. Controlled addition of silicon dioxide particles ensures proper coating thickness and uniform
coverage.
Surface Modifier: Surface-modified silicon dioxide particles can enhance the adhesion of the paint to the plastic substrate,
improving coating performance and durability. Surface modification also influences compatibility with the resin system and other
additives in the paint formulation.
Anti-blocking Agent: Silicon dioxide can act as an anti-blocking agent in plastic paint coatings, preventing coated surfaces from
sticking together or blocking during storage or handling. This property improves the usability and quality of the painted plastic
surfaces.
UV Protection: Certain types of silicon dioxide particles can provide UV protection to plastic paint coatings, helping to prevent
color fading, degradation, and other forms of damage caused by exposure to sunlight. This is particularly important for outdoor applications.
Barrier Properties: Silicon dioxide additives can enhance the barrier properties of plastic paint coatings, reducing permeability
to gases, moisture, and other environmental contaminants. This property improves the performance of the coated plastic surfaces
in various applications.
Surface Smoothing: Silicon dioxide particles can help smooth out imperfections on the surface of plastic paint coatings, resulting
in a more uniform and aesthetically pleasing finish.
By leveraging these properties, silicon dioxide enhances the performance, durability, and aesthetic appeal of plastic paint coatings, making them suitable for a wide range of applications in industries such as automotive, construction, electronics, and consumer goods.
Chemical Data
| Item Type | SS-326 |
| Content of sio2(dry basis) % | 99.3 |
| Oil Absorption g/100g | 280-350 |
| Particle Size(Malvent D50),um | 3.5-4.0 |
| Loss on drying(105℃ ，2Hrs) | ≤5.0 |
| Ignition loss(1000℃,2Hrs) | ≤12.0 |
| Whiteness | ≥93.0 |
| PH(5% Liquor) | 6-7 |
| Surface treatment | Organic |
Applications:
1) Wood coating
2) Plastic Coating
3) Ink
4) Industrial Coating
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
