air filter cloth 1. 500gsm polyester need punched felt 2. water and oil repellent, anti-static air filter cloth /anti static filter fabric/anti static filter cloth/ Anti-static filter media  air filter cloth1. 500gsm polyester need punched felt2. water and oil repellent, anti-static3. works well Sffiltech manufactured polyester anti static filter cloth specification as below:1. Good performance in flour powder industry2. Good performance in chemical dust collection3. Good Performance in coal powder industry4. Wire antistatic (the scrim has the conductive yarn blending)5. Blending conductive fiber in the felt(3-5%)  

Item		Polyester antistatic needle felt
Material		PET / Wire scrim	PET&Conductive fiber
Weight(g/m2)		500	500
Thickness(mm)		1.80	1.80
Air per(m3/m2·min)		15	15
Tensile (N/5×20cm)	Warp	>800	>800
	Weft	>1200	>1200
Elongation(%)	Warp	<35	<35
	Weft	<55	<55
Burning (Mpa/min)		2.40	2.40
Working tem(degree)		≤130	≤130
Surging tem(degree)		150	150
Surface resistivity (Ω)		4.8×109	4.8×109
Volume resistivity(Ω)		8.7×109	8.7×109
Friction PotentialMax(V)		250	250
Friction Potential (Avg)(V)		183	183
Anti acid		good	good
Anti alkali		medium	medium
Anti friction		better	better
Finishment		Singed&Calendered	Easy dedusting

                           

We supply air dust filter bag and filter fabrics, including

PTFE.P84.Fiberglass.Basalt.Aramid.PPS.FMS.Polyester.Acrylic and  fiberglass compound products .Besides singed. calendered.heat set treatment.We also support water and oil repellent.PTFE coating.and Teflon special treatment.