Basic Info.

Product Description

Type f6 f6+ f7 f8 f9 f9+ description unit 60-65% ashrae 70-75% ashrae 80-85% ashrae 90-95% ashrae 80% dop 90% dop thickness mm 0.32±0.02 0.32±0.02 0.32±0.02 0.32±0.02 0.32±0.02 0.32±0.02 basis weight g/m2 70±5 70±5 70±5 70±5 70±5 70±5 efficiency0.3µm ,5.33cm/s % =15 =25 =50 =60 =80 =90 air resistance0.3µm ,5.33cm/s pa =10 =15 =35 =50 =90 =110 tensile strength md kn/m =1.0 =1.0 =1.0 =1.0 =1.0 =1.0 cd kn/m =0.5 =0.5 =0.5 =0.5 =0.5 =0.5 stiffness mg =1000 =1000 =1000 =1000 =1000 =1000 ignition loss % =10 =10 =10 =10 =10 =10 water repellency mmh2o =250 =250 =250 =250 =250 =250 experiment condition and test methods: thickness—100kpa , gb/t 451.3-2002 basis weight—gb/t 451.2-2002 efficiency—0.3µm ,5.33cm/s,tsi8130, niosh 42 cfr part 84 air resistance—0.3µm ,5.33cm/s,tsi8130, niosh 42 cfr part 84 tensile strength—gb/t 453-2002 stiffness—tappi t543 the specification is only for consideration.