... and minerals and other raw materials made of fluffy short, thin fibers. 70 years of the 20th century is widely used ... ore, bauxite as raw materials, high temperature melting, fibrosis, made of inorganic fibers. Slag wool is industrial slag such as blast ... main raw material, after remelting, fibrosis, made of inorganic fibers. The two fiber-processing, can be made into plates, tubes, felt, ribbons, ...