Feature
Silicon dioxide (SiO2) powder is commonly used in plastics for various purposes due to its versatile properties. Here's
how SiO2 silica dioxide powder is utilized in plastic applications:
Matting Agent: SiO2 powder is often employed as a matting agent in plastic formulations to reduce glossiness and
achieve a matte finish. By scattering light, SiO2 particles create a less reflective surface appearance.
Reinforcement: SiO2 nanoparticles can act as reinforcing fillers in plastic formulations, improving mechanical properties
such as strength, stiffness, and impact resistance. This reinforcement enhances the durability and structural integrity of
plastic products.
Anti-blocking Agent: SiO2 powder can serve as an anti-blocking agent in plastic formulations, preventing surfaces from
sticking together or blocking during storage or handling. This property enhances the usability and quality of plastic products,
particularly films and sheets.
Thickening Agent: SiO2 powder can be used as a thickening agent in plastic coatings and adhesives, helping to control
viscosity and improve application properties. Controlled addition of SiO2 particles ensures proper coating thickness and
uniform coverage.
UV Protection: Certain types of SiO2 particles can provide UV protection to plastics, 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: SiO2 additives can enhance the barrier properties of plastics, reducing permeability to gases, moisture,
and other environmental contaminants. This property improves the performance of plastic products in various applications,
including packaging and automotive components.
Surface Modification: SiO2 powder can be surface-modified to improve its compatibility with plastic matrices and enhance its
dispersibility in formulations. Surface modification also influences properties such as adhesion, surface energy, and hydrophobicity.
Flame Retardancy: Some SiO2-based additives offer flame retardant properties, making them suitable for applications where
fire safety is a concern, such as in electrical enclosures and building materials.
By incorporating SiO2 silica dioxide powder into plastic formulations, manufacturers can achieve desired properties such as matte
appearance, mechanical strength, UV resistance, and barrier performance, enhancing the versatility and value of plastic products
across various industries.
Chemical Data
| Item | SS-326 |
| Content of sio2(dry basis) % | 99.3 |
| Oil Absorption g/100g | 280-350 |
| Particle Size(Malvent D50),um | 6.5-7.0 |
| Loss on drying(105℃ ，2Hrs) | ≤5.0 |
| Ignition loss(1000℃,2Hrs) | ≤12.0 |
| Whiteness | ≥93.0 |
| PH(5% Liquor) | 6-7 |
| Surface treatment | Organic |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
