Porcelain sand filter material widely used in single layer in multi-layer filter, mechanical filter, filter, filter medium.Its raw material is made of high quality kaolin, binder, pore forming agent, by the high temperature burn into white appearance, hard texture, uniform particles, the pore developed, void fraction, roundness full new filter material, is quartz sand, anthracite, upgrading of the traditional filter, such as the product, can satisfy the various components of complex industrial waste water and urban sewage depth processing.