(1)、thickness:1.6-1.8mm(2)、g:500g/m2(3)、permeability:100-200dm3/m2/s(4)、longitude :700N/5×20cm(5)、latitude :1100N/5×20cm(6)、ntensity of stretch and break:<10%(7)、ntensity of stretch and break:<10%(8)、temperature:130℃(9)、filtration wind speed:1.0-1.5m/min(10)、post-treatment:singeing 、