... oval and can be made according to customer's requirments.Filtration Rating: 12 to 1, 000 microns.Weave: :Plain ... :mainly used in rubber, plastics, cereals, absorption, evaporation and filtration process in petroleum, chemical, medicine, metallurgy, machinery, ship, ... discs are mainly used in the absorption, evaporation and filtration process in petroleum, chemical, medicine, metallurgy, machinery, ship ...