... binder, no smell, 4.Apply for HEPA, PTFE Air Purifier Media - Non Woven Supporting Layer Filter Fineness: 5 umEfficiency: 97%Application ... : home air purifier system, HEPA media, PTFE membrane. etcTechnical data of YMD80HG: SquArticleUnitTDS1Grammageg/m280±52Thicknessmm0.40 ... Contain%——8Heat Resistance °C≥1309Filtration Efficiency%≥97 Air Purifier Media YMD80HG