ZSWL – powder felt metal film adopts advanced preparation technology, with high precision, high permeability, corrosion resistance, high temperature resistance filtration performance, filtration accuracy up to 0.1μm, exhaust particulate emissions <5mg/m³, dust removal efficiency up to 99.999%. Compared with metal fiber felt and powder felt filter materials in the same industry, its special asymmetric structure makes the residual resistance of ZSWL-metal powder felt film <500Pa and the cleaning period >100s; Advanced film making process, the powder felt metal film can withstand high temperature up to 700C, and has excellent corrosion resistance under various corrosion conditions.