LEAD BISILICATE 1250 mesh ultrafine calcined kaolin CAS NO.65997-18-4

It is an important industrial non-metallic mineral, the scientific name is aqueous aluminum silicate (aluminum silicate clay mineral), and the chemical composition is Al2O3 2SiO2 2H2O. It is a light gray fine flake powder, triclinic crystal, with a quasi-hexagonal configuration. The specific gravity is 2.8, the hardness is Mohs 1.0, and the refractive index is 1.56. It is a slightly acidic mineral, but still has good acid and alkaline resistance. In addition to the characteristics of general mineral powder, it has a significant barrier effect on infrared, but it is easy to absorb moisture, and should be dried before use. The calcined kaolin products produced by our company have high whiteness, strong covering power, bright luster, fine particle size, fast adsorption speed, excellent acid and alkali resistance, moderate oil absorption, stable physical and chemical properties, etc., and are a new type of plastic additives. Widely used in papermaking, coatings, inorganic pigments, cable ceramics, medicine, organic polymer industry, grinding wheel, building materials and other industries.

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