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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.
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 ]
The fabric was first stretched on a tenter frame and sized with animal gelatine. The oil was then applied and allowed to cure between coats. As the cure relies on oxidation by the air, thin coats and long cure times between are required. [1] [2] Overlaps between sheets of fresh oilcloth would amalgamate naturally when pressed together.
The modern oilskin garment was developed by a New Zealander, Edward Le Roy, in 1898. Le Roy used worn-out sailcloth painted with a mixture of linseed oil and wax to produce a waterproof garment suitable to be worn on deck in foul-weather conditions. Oilskins are part of the range of protective clothing also known as foul-weather gear.
Bananatex is a natural cellulosic biodegradable "technical" canvas fabric made of Abacá banana plant fibres (also known as Manila hemp). [1] [2] The plants are grown in the Philippines as part of a sustainable forestry project in Catanduanes. Bananatex was developed and is distributed by the Swiss canvas goods company QWSTION and is used in ...
Kapok is a fibrous material classified along with cotton, as plant hairs or seed fibres, unicellular fibres that develop on the inside of the fruit bags. The kapok fibres are 10 to 35 mm ( 3 ⁄ 8 to 1 + 3 ⁄ 8 in) in length and are brittle due to lignification, and only spinnable when blended with other fibres, usually cotton.
Unlike most "waterproof breathable" fabrics, Analogy can pass out liquid water as well as vapour. Unlike a conventional waterproof fabric, Analogy would fail a hydrostatic head test (if used to seal the bottom of a tube containing water, only a very short column could be supported). However, like fur, Analogy causes water to flow away from the ...
Row cover is a lightweight synthetic, such as clear plastic (polyethylene) or spunbonded polyester called horticultural fleece. Plastic covers are elevated above plants on a supporting framework such as wire hoops to form a low tunnel. (Plastic placed directly on the ground is mulch.) Fleece covers can be placed directly on plants or on ...