1.the working temperature is 260-280 deg C,the Max temperature is 300 deg C,
2.the weight is 550-750g/sqm
3.the thickness is 0.80mm
4.Air permeability is 15-35 m3/m2/min(if with PTFE membrane the data would be lower)
5.Breaking strength-MD;>3500
6.Breaking strength-CMD:>3000
7.Finishment: silicon,graphite and telfon treatment.