E-PTFE membrane 1. High breathability and waterproof 2. Can laminate with polyester or nylon fabric for rain wear clothing DENTIKĀ® PTFE membraneWe make the diameter of the micro-pore of the membrane between 100nm-500nm using special processing technique. And there are more than 1 billion micro-pores per square centimeter. That makes the membrane both waterproof and breathable. Following the ...