Aokai PTFE hi quality sang tak siamtu duh ber a ni . expansion joint fabric material s a product range leh theihna zau tak nei , non-metallic Kan product line-ah hian PTFE cast film laminated fabrics, multi-reinforcement nei 100% PTFE films, woven leh non-woven insulation materials hmanga laminated PTFE fabrics, leh PTFE coated fabrics te a tel a ni.Kan expansion joint fabrics hian gas barrier property danglam tak a nei a, corrosive environment leh temperature na takah pawh an dam khawchhuak thei a ni.