... the selected fiber, can be divided into PET fabricsseries, PP fabrics series, PA fabrics series, PV fabrics series, ... of polypropylene fiber (PP), can be dividedinto PP staple fabrics, PP long thread fabrics, and PP monofilament fabricsand PP double layer fabrics. ... absorption. The finishing treatment of calenderingwill make filter cloth reach highest filtration efficiency, good cake discharge,good ...