Feature
When selecting a chemical grade SiO2 powder for ink coatings, several factors need consideration to ensure it meets the
requirements of the application. Here's what to consider:
Purity: Look for high-purity SiO2 powder suitable for ink coatings. The purity of the powder ensures minimal impurities that
could affect the quality and performance of the coating.
Particle Size: Consider the particle size distribution of the SiO2 powder. Fine particles are often preferred for ink coatings as
they provide smoother finishes and better dispersion within the ink formulation.
Surface Area: The surface area of the SiO2 powder can influence its effectiveness as a Matting Agent or additive in ink coatings.
Higher surface area particles may offer better matting efficiency and improved performance.
Surface Modification: Surface-treated SiO2 powders are often used to improve dispersion and compatibility with ink formulations.
Surface treatment can enhance stability, reduce agglomeration, and improve overall performance in the coating.
Matting Efficiency: Determine the desired level of gloss reduction or matting effect required for the ink coating. Select a SiO2
powder with matting properties that match the desired finish and aesthetic requirements.
Compatibility: Ensure that the SiO2 powder is compatible with other components of the ink coating formulation, including binders,
solvents, pigments, and additives. Compatibility testing may be necessary to ensure optimal performance and stability.
Rheological Properties: Consider the impact of the SiO2 powder on the rheological properties of the ink coating. The powder
should not significantly alter viscosity, flow behavior, or application properties of the coating.
Adhesion and Durability: Evaluate the effect of the SiO2 powder on adhesion, scratch resistance, and durability of the ink coating.
The coating should adhere well to the substrate and withstand handling, abrasion, and environmental factors.
Supplier Reputation: Choose a reputable supplier known for providing high-quality SiO2 powders and technical support. Supplier expertise can help you select the most suitable powder for your ink coating application and offer guidance on formulation
optimization.
Examples of SiO2 powder suppliers for ink coatings include Evonik Industries, Cabot Corporation, and Wacker Chemie AG.
Consult with these suppliers to find a SiO2 powder that meets your specific requirements for purity, particle size, surface
modification, matting efficiency, compatibility, and performance in ink coatings. Additionally, conduct thorough testing to
evaluate the suitability and performance of the selected SiO2 powder in your ink coating formulation.
| Item | SS-630L | Brand | SKYSIL |
| Content of SiO2,(dry basis) %≥ | 99 | Porosity,ml/g | 1.8-2.0 |
| Oil absorption ml / 100g | 270-320 | Particle Size(Malvent),um | 5.0-5.5 |
| Loss on drying (105℃,2Hrs),% | ≤5.0 | PH | 6.0-7.0 |
| Ignition Loss(1000℃,2Hrs),% | ≤7.0 | Whiteness≥ | 90 |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
