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Waterproof and moisture permeable 3L composite fabric  

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Waterproof and moisture permeable 3L composite fabric

Polytetrafluoroethylene, or PTFE, is a synthetic material which can be expanded to form a porous membrane that can be laminated to fabric for its waterproof, windproof and heat resistant properties, ideal for firefighter apparel, sports and leisurewear garments and military gear.