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Gore-Tex is W. L. Gore & Associates's trade name for waterproof, breathable fabric membrane. It was invented in 1969. 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.
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.
W. L. Gore & Associates, Inc. is an American multinational manufacturing company specializing in products derived from fluoropolymers. It is a privately held corporation headquartered in Newark, Delaware. It is best known as the developer of waterproof, breathable Gore-Tex fabrics.
Also known as JIS L 1099 is similar to the ASTM E96-BW test method. A desiccant, potassium acetate, is put into a cup and sealed with a piece of ePTFE (Teflon/Stedfast/Gore-Tex film). The fabric to be tested is then placed over the cup with the fabric side to the cup. The cup is then inverted into a pan of water.
The parka and trousers (which have been adapted to the civilian outdoor clothing market) are themselves constructed in a three-layer fashion consisting of an outer layer of abrasion-resistant taslan nylon, an intermediate layer of durably waterproof, windproof, and Gore-Tex membrane (protected with a layer of nylon tricot and originally in a ...
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.
The first report of using Gore-Tex to make waterproof, breathable garments appeared in a market report, April 13, 1972. [5]: 107 The manufacturing process was patented in 1972. [16] The first commercial sales of Gore-Tex were made in 1976 when Early Winters, Ltd., began making and selling Gore-Tex tents. The next year Early sold Gore-Tex rainwear.
Sympatex is a type of fabric that is branded as waterproof but "breathable", made or licensed by Sympatex Technologies GmbH a company founded in 1986. [ 2 ] [ 1 ] The fabric features a waterproof, windproof and breatheable membrane that is laminated to fabrics either on its inner surface or sandwiched between two fabric layers (often marketed ...