... Filter Discs have different forms, like round, square, oval and can be made according to customer's requirments.Filtration ... used in rubber, plastics, cereals, absorption, evaporation and filtration process in petroleum, chemical, medicine, metallurgy, machinery, ship ... 00254 mm)Applications of Filter Discs: Filter discs are mainly used in the absorption, evaporation and filtration process in petroleum, ...