... you Polyester,PP,Acrylic,PPS,Nomex,P84,PTFE Nomex Filter Bag (NMX500N) Nomex needle punched felt characteristics: High temperature(204-240), anti-acid, anti ... anti-abrasion, but it easily be hydrolyzed in the condition of high temperature, which mostly applied in pitch mix gas, ... gas in steel factory in steel factory, gas, tail gas of white char, kiln applicatons, electric cooker high temperature gas, ...