... PET,PP,Acrylic,PPS,Nomex,P84,PTFE,FMS,Glassfiber Felt Material: Polyester fiberWeight (g): 500 Thickness ... <55% Finishing: Singed, Canlendered, heat setting,etc.Operating Temperature (C): Continues: 135 Instant: 150The weight (200~4000 ... needle felt), which with the property of smooth surface, water repelled, easy cake release, high filter efficiency, save energy, long life. Polyester Needle Punched Felt ...