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Drop of water on 100% polyester textile. Waterproof/breathable fabrics resist liquid water passing through, but allow water vapour to pass through. Their ability to block out rain and snow while allowing vapour from sweat to evaporate leads to their use in rainwear, waterproof outdoor sports clothing, tents, and other applications.
Duck fabric is woven with two yarns together in the warp and a single yarn in the weft. By treating with wax, duck fabric can be made waterproof (see waxed cotton ). Cotton duck strips were the origin of duck tape, recorded in the Oxford English Dictionary as having been in use since 1899 [ 3 ] (see duct tape ).
Durable water repellents are commonly used in conjunction with waterproof breathable fabrics such as Gore-Tex to prevent the outer layer of fabric from becoming saturated with water. This saturation, called 'wetting out,' can reduce the garment's breathability (moisture transport through the breathable membrane) and let water through.
Gore-Tex is W. L. Gore & Associates's trade name for waterproof, breathable fabric membrane. It was invented in 1969. Gore-Tex blocks liquid water while allowing water vapor to pass through and is designed to be a lightweight, waterproof fabric for all-weather use.
Gannex is a waterproof fabric composed of an outer layer of nylon and an inner layer of wool with air between them. The trapped air is contained in pockets formed by fusing ("spot welding") the two layers at intervals. [ 1 ]
Credit - Photo-illustration by TIME. F orget catching big air on the ski slope or staying upright on an ice rink. If there’s any such thing as a winter superpower, it’s knowing how to dress to ...