Back P84 Material: PolyimideSurface treatment: SingedCorresponding models: WRT, BV, CT and HGDApplication: High-temperature dust collection (particle size about 10μm)FeaturesThis filter is for high-temperature dust collection.Collecting efficiency: GoodHeat resistant temperature (F): Normal temperature 240˚C (464˚)Acid-resistant: GoodAlkali-proof: Good