... tailings , sludge , kaolin , activated carbon, coke powder and other end , Powder , waste, waste residues, are widely used in refractory ... powder metal powder (iron powder, aluminum powder, copper powder, lead powder, etc.) , metallurgical additives, sponge iron, etc., without adding any binder ... supress all kinds of mineral powder, metal powder, coal powder, coke powder and other materials to make ...