Centrifugal Molding is a process similar to centrifugal casting, except that the materials employed are dry sinterable powders, which are fused by the application of heat to the rapidly rotating mold. Centrifugal molding machine has a main structure which supports, so that they can rotate about a substantially vertical rotation axis, a lower plate for supporting a centrifugal molding die and an upper plate. Centrifugal molding involves a spinning mold and is used in manufacturing cylindrical products such as tanks or pipes. Centrifugal molding also generates significantly less emissions during polymerization. Centrifugal molding systems are commonly used in the filtration industry to make the paper-to-housing seal on various types of filter products, including HEPA and respirator filters. It is also used for spin molding elastomers to filter media housings.