Features: 1) Material: PTFE, fiberglass 2) Weight: 800gsm 3) Thickness: 2.3mm 4) Tensile strength (N/(5cm x 10cm)): warp: 3260; weft: 3300 5) Tensile elongation: warp: <35%; weft: <55% 6) Permeability (L/┫s): 150 ~ 350 7) Working temperatu