Description
To find a high-performance silicon dioxide (SiO2) powder for UV paint, you'll want to focus on several key characteristics
that contribute to the effectiveness of the paint under UV exposure. Here's what to look for:
UV Transparency: The SiO2 powder should be highly transparent to UV light to ensure that the UV reactive components
in the paint formulation can be activated effectively. Look for SiO2 particles with minimal absorption or scattering of UV
radiation.
Particle Size: Fine particle size is crucial for uniform dispersion in the paint and to avoid altering its appearance or
texture. Smaller particles tend to provide better transparency and clarity in the paint film.
Surface Modification: Surface-treated SiO2 particles can improve compatibility with other paint components, enhance
dispersibility, and prevent issues such as agglomeration or settling in the formulation. Surface modification can also
influence adhesion and durability of the paint.
UV Stability: The SiO2 powder should be UV stable to ensure that the paint film maintains its performance and
appearance when exposed to UV radiation. UV-stabilized SiO2 particles help prevent degradation or discoloration of the paint
over time, especially in outdoor applications.
Chemical Compatibility: Ensure that the SiO2 powder is compatible with other components in the paint formulation to avoid
adverse reactions or changes in paint properties. Compatibility testing is essential to assess interactions with UV reactive
pigments, binders, solvents, and additives.
Dispersion Stability: The SiO2 powder should disperse uniformly in the paint formulation to achieve consistent UV responsiveness
and overall coating performance. Good dispersion stability prevents issues like settling, agglomeration, or uneven distribution
of UV reactive components in the paint.
Optical Clarity: SiO2 particles should maintain the optical clarity of the paint film to ensure that UV-induced effects are visible
without interference or distortion. Optically clear SiO2 powders contribute to a visually appealing finish and enhance the visibility
of UV-reactive effects.
Regulatory Compliance: Ensure that the SiO2 powder meets relevant regulatory standards and safety requirements for use in
UV paint formulations, particularly concerning chemical composition, toxicity, and environmental impact.
Consulting with suppliers for product recommendations and conducting compatibility testing can help determine the best SiO2
powder for your UV paint formulation. By selecting a high-performance SiO2 powder, you can achieve vibrant UV effects and
ensure the durability and longevity of the paint under UV exposure.
Chemical Data
| Item Type | SS-U70 |
| Content of sio2(dry basis) %, | ≥99.0 |
| Porosity ml/g | 1.8-2.0 |
| Oil absorption, g/100g , g/100g | 230-270 |
| Particle Size, um(Malvent,D50) | 6-7 |
| Loss on drying(105℃,2Hrs) | ≤5.0 |
| Ignition loss(1000℃,2Hrs) | ≤13.0 |
| Whiteness | ≥90.0 |
| PH(5% Liquor) | 6-7 |
| Surface Treatment | Organic |
Characters
1. white color, texture is relatively light, fluffy.
2. No effect on the drying characteristics of the coating, no effect on the recoating of the coating. Smooth coating
and wear resistance
3. Excellent thixotropy, thickening and anti-sinking
Application
Including UV curtain coating, roller coating, spraying coating.
UV wood coating, UV floor coating, UV plastic coating, UV ink.
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
