1.stablized quality 2.on time delivery 3.fast response to cusomer's requiry 4.rich experienced experts's assistance PPS and PTFE needle felt filter bag  air filtration baghouse dust collector  Product: PPS, PTFE Needle Felt Fiber: PPS + PTFEScrim: PTFE filamentWeight(gsm) : >600Thickness(mm) : 2.0Width(mm) : 2000Finish Treatment: PTFE treatmentAir Permeability( mm/s ) : 130 ~ 160Tensile Strength(N/5*20):(Warp)  >1000Tensile Strength(N/5*20):(Weft)  >1500Tensile Elongation(%): (Warp): < 20Tensile Elongation(%): (Weft) : < 40Temperature(Degree Celsius): Continue:  190Temperature(Degree Celsius):Instant :  210