Polypropylene/PP filter mesh ISO 9001:2008 Certified management system by SGS Excellent feature of acid and alkali-resistance acid and alkali-resistance Polypropylene filter meshISO 9001:2008 Certified management system by SGSExcellent feature of acid and alkali-resistanceMeet FDA StandardWe offer polypropylene fabric in a broad range of meshes, openings and thread diameters. Due to maximum ...