1.Aramid(Nomex) 2.good dust collector 3. PTFE bathing and PTFE membrane 4.special specification ... on the high side, such as tail gas/fume/dust from metallurgical plant, carbon black plant, iron works(blast ... temperature resistance, flame resistance, infusibility. The fiber won't self-ignite, when the temperature up to 400 C, the aramid ... , long service life. Aramid(Nomex) needle felt for dust collector