Silicon Dioxide Powder For UV Powder Coating

H-907 Silicon dioxide Silica plays an important role in UV coatings. It is a matting agent. Silica has a small particle size, a large specific surface area, strong surface adsorption, high surface energy, high chemical purity and good dispersion performance, so it performs well in UV coatings. In order to obtain a matte or low-gloss coating, it is usually necessary to add a silica matting agent to change the microstructure of the coating film, thereby forming an uneven surface effect. Experimental studies have shown that the content of silica matting agent in the coating is inversely proportional to the gloss of the paint film and directly proportional to the roughness of the paint film. In addition, various types of silica products on the market have differences in physical and chemical indicators, and these differences determine their application areas in UV coatings. At the same time, the surface-modified silica has a more significant matting effect on the coating. The researcher…

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