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[Sympatex Technologies] A registered trademark of a nonwoven polyester membrane. Sympatex is advertised as waterproof and windproof but breathable. The stretchable, non-porous fabric is permeable to moisture but not liquids. For use, Sympatex is laminated to a backing fabric. A lining is then added (sandwiching the Sympatex in the middle) to produce a lightweight combination for use in outdoor clothing, gloves, footwear, and other accessorites.

Physical and Chemical Properties

Melting Point above 220 C
Density 1.27 g/ml

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