... disk filter elements produced by using imported sintered stainless steel fibre felts are suitable for filtrating polymer melts, have the ... . So it can be widely used in petroleum and chemical industry, chemical fiber, medicine, food and so on.The main media ... as: water, ammonia, oil hydrocarbon products;2. Corrosively medium for chemical production, such as: sodium hydrate, caustic soda, sulfuric acid, ...