... quality of the equipment requires some water filter. Nominal(µm)0.50.81351020305080100Original(µm)3-85-1010-2020-3025-4030-5035 ... .04.55.16.57.4NoteThe table above is under pressure 0.015MPa ,length of 250mm polypropylene filter flow rate,thereinto,cotton ... fiber is 0.6 times than that of table,polyacrylonitrile fiber is1.3 ...