buffing wheel vs polishing wheel Blue polishing buff wheel, polishing kit, suitable for polishing wax, steel, wood, etc., used in conjunction with our company's white polishing solid compound. By friction and heat increase, the material's hardness is reduced, resulting in a bright and mirror polished product, making it more beautiful。 If the degree of plastic deformation is not sufficient, it is necessary to search for polishing wheels with higher hardness and polishing liquid compound with coarser particles, with stronger cutting force, until the entire surface becomes a smooth mirror surface.