... are high temperature, corrosion resistance, dimensional stability. Glass fiber fabric filter bags are high temperature, corrosion resistance, dimensional ... advantages, and its operating temperature resistance is higher than normal fiber filter.specificationCMN-FEMN-Fweight: g/ m29501000air permeability : L ... -treatmentPTFE (Ptfe treatment)PTFE (Ptfe treatment) glass fiber nonwoven filter bag