... ,Acrylic,Nomex,FMS, Glassfiber,,PPS(ryton),P84, PTFE.Description:we offer normal and high temperature needle ... ):a. Normal needle felt in Polyester and Polypropyleeb. PTFE Membrane needle feltc. Antistatic needle feltd. water & oil repellent ... resistant needle feltFinishing treatment mainly includes: Singed, calandered, PTFE membrane and heat set. Application: liquid filtration and industrial ...