UNITECH FILTERS provide polyester/cotton fabrics which is special designed for electrolytic industries adopted as diaphragm bags(such as diaphragm bags for electrolytic Nickel plants), the fabrics adopted well-chosen polyester-cotton yarn, then woven by top-ranking heavy-duty rapier looms, after the special finish treatment, with the properties of high tensile strength, equal permeability, low resistance, high electrolytic efficiency, good acid and alkali resistance, easy install, low price, longer using life.