Fiber glass woven filter bag  is widely been used in  Cement.Ferrosilicon,Carbon black plant.

 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.