Shanxi quality calcined kaolin, flint of sand, sand grain size (factory outlets)

Of sand, sand grain size is flint, calcined kaolin particles after crushing processed powder. Because of its high volume density, physical and chemical indicators of stability, fire resistance and good characteristics and therefore manufacturing castable refractory bricks, spray paint, ceramics, construction materials, precision casting and other high-quality refractory materials. General Specifications: 0-1,1-3,3-5,5-8, etc., but also according to customer requirements.