... from 1 to 100um General:Our string wound filter cartridges are structured loose outer layers and tight inner ... chemical compatibility. The main advantage of the string wound filter cartridge is its exceptionally high structural strength, therefore, ... :Organic solvent,water,oil,alkalinity solvent,beverage pharmaceuticalsB. Polypropylene:Water,dilute acids,oxidizing agents,plating solutionC. Glass fiber ...