... dust bag material: PP, PE, PPS, P84, PTFE, Glass fiber, Antistatic; Antistatic , PTFE, Fiber glass cement (asphalt ) plant vacuum cleaner dust bag HL FILTER ... °CPeak temperature260°CFinishingPTFE impregnation,Laminating, coating 3. Cement industry bag filters : PTFE needle felt dust bag application : Applicable to high-corrosive ...