... temperature(°C) 230acid resistancegoodalkali resistanceexcellentabrasion resistanceexcellentfinish treatmentsingeing,calendering or Teflon coating Company introdution Yancheng Boing Filter Co., Ltd. ... Now there are more than 300 staff members with rich experience. We take pride to be ... P84, nomex , acrylic, polyester, fiberglass needle felt or other compounded needle felt as per requirement.some filter ...