Thickness(mm) 1.9± 0.3 Air permeability: 2Pa/cm2 Operating temperature(º C)<110 Bursting strengh(200x50mm) Longitude(N)850 Latitude(S)1300 Filter precision: 5~50u Residence of acid or alkali: Strong acid and alkali Disposal of surface: Bosseyed or double-faced singeing and calendering
