... the suspended solids; particulates, rust and other impurities This material is for high quality pp string wound filter cartridge,not ... . back pressure 0.1Mpac. Max. working temp Polypropylene Material 70 Cotton fiber Stainless steel frame 130 Glass fiber Stainless ... steel frame 300 String wound Filter material(Filter Element,Filter Shell,Purifier,Hiross,Strainer,Screener,Filter ...