... .The dedusting efficiency is up to 99.9%, powder density <=100mg/m3 3.24 cartridge,360m2 This company produces, with different ... 2mg/m3, and the dust-exhausting density is less than 100mg/m3Dust-removing system including the dust collector, fan and blower ... . The dedusting efficiency is up to 99.9%, powder density≤100mg/m3, much stricter than the national standard (GBJ4-73). The ...