Quartz use in Paint & Coating Industry
According to the BIS specifications (IS: 67 - 1979) the material should be of two types, namely, crystalline and amorphous. The material shall contain not less than 98% SiO2 and it shall be in dry powder form. Lead constant is SiO2 shall not exceed 0.03%. Color and particle shape shall match with the approved sample.
High Purity Silica Powder is used in paint industry & coating for the purpose of Wood Finish, Primers, Undercoat, Water based paints, Distemper, Chemical resistance Coating, Floor Coating, Epoxy coating etc. Further, silica is also used in the construction chemicals as well as recommended for texture coating & exterior finishing.
Quartz powder specifications
high content of SiO2 99.8% and above.
Sizes: 200 mesh, 300 mesh, 325 mesh, 400 mesh and upto 1000 mesh
Fe2O3 content: 0.002% or 0.008%
Al2O3: nil or maximum upto .005%
Other Specification of Quartz powder:
Oil Absorption value: 20%
Specific gravity: 2.65
Refractive Index: 1.55
Loss on Ignition: 0.3%
pH of 10% aqueous solution: 7
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