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Selection and function of high temperature resistant pigments


Release time:

2018-01-01

Pigments not only play the role of coloring in high temperature pigments, but also play a reinforcing role in the base material. Common pigments are mostly inorganic compounds, such as titanium dioxide, carbon black, iron oxide red, chrome green, ultramarine, chrome yellow, etc. Organic pigments toluidine red, phthalocyanine blue and phthalocyanine green are also very stable pigments.

Carbon black is the most commonly used pigment in high temperature resistant paint. It has reinforcing effect on most rubber base materials and can greatly improve the physical and mechanical properties of the base materials without any compounding agent. This shows that the base materials and carbon black are only a physical process of lubrication, dispersion and wrapping, and there are chemical bonds in combination, thus increasing the strength of the base materials. Silicates such as high temperature pigment clay, talcum powder and diatomite can be used as fillers for high temperature resistant protective coatings.

Fillers can improve the process performance of the base material, improve the heat resistance, wear resistance and chemical resistance of the coating. At the same time, the filler is cheap, which can reduce the cost of the coating, and can improve the tensile strength and physical and mechanical properties of the coating. high temperature pigment


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