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For electrophoretic paint (e-coat) applications, utilizing high-purity silica dioxide (SiO2) is essential to ensure optimal coating
performance and durability. Here are some key considerations when selecting high-purity silica dioxide for electrophoretic
paint:
Purity: Choose a silica dioxide powder with high purity to minimize impurities that could affect coating quality or cause defects
in the e-coat. High-purity silica ensures consistent and reliable performance of the paint formulation.
Particle Size and Distribution: Fine particle size and uniform distribution are crucial for achieving a smooth and even coating
with excellent coverage. Smaller particles contribute to better film formation and adhesion to the substrate.
Surface Modification: Surface-treated silica dioxide particles can enhance compatibility with the e-coat resin and improve
dispersibility, adhesion, and durability of the coating. Surface modification can also influence properties such as gloss, scratch
resistance, and chemical resistance.
UV Stability: Ensure that the silica dioxide powder is UV stable to prevent degradation or discoloration of the e-coat over time
when exposed to sunlight. UV-stabilized silica particles help maintain the appearance and performance of the coating, particularly
for outdoor applications.
Chemical Resistance: High-purity silica dioxide should provide excellent chemical resistance to solvents, oils, acids, and other environmental factors. Enhanced chemical resistance ensures the longevity and integrity of the e-coat in various operating
conditions.
Adhesion Promotion: Silica dioxide additives can help promote adhesion between the e-coat and the substrate, ensuring a
strong and durable bond. Good adhesion properties prevent issues such as delamination or peeling of the coating.
Film Thickness Control: The silica dioxide powder should allow for precise control of film thickness to achieve desired coating
thicknesses and uniform coverage. Consistent film thickness is essential for meeting performance requirements and ensuring
quality in e-coating applications.
Regulatory Compliance: Verify that the silica dioxide powder meets relevant regulatory standards and safety requirements for
use in electrophoretic paint formulations, particularly concerning chemical composition, toxicity, and environmental impact.
| Item | HF-610D | Brand | SKYSIL |
| Content of SiO2,(dry basis) %≥ | 98 | Carbon Content % | 5.5 |
| Porosity ml/g | 2 | Particle Size(Malvent D50),um | 4.0-5.0 |
| Loss on drying (105℃,2Hrs),% | ≤6.0 | PH | 6.0-7.0 |
| Sulfate Content % | ≤0.2 | DOA Absorption g/100g | 230-280 |
| Electrical Conductivity 4%in water, us/cm | ≤200 | Specific surface area(N2) Multipoint, m2/g | 130 |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
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Main Product:
Paint Matting Agent,
Silica Matting Agent ,
Inkjet Receptive Coating,
Nano Alumina,
Teflon Heater,
Anticorrosion Pigments
