... 4.widely used polypropylene filter cloth,which made of polypropylene fiber (PP), can be divided into PP staple filter cloth, PP filament filter cloth, and PP monofilament filter cloth. These products possess ... and beverage ,metallurgy ,Building ,Waste water dealing ,and so on .PP filter cloth series,521,527,534,750A,750B,750AB,4212For the techinical ...