Textile Reinforced Air Hose. Construction: Tube: NR & SBR synthetic rubber, black color. Reinforcement:1ply or 2ply high tensile polyester thread braiding Cover: NR & SBR synthetic rubber, smooth or wrapped surfac, black, yellow, red available Application: Mainly used for conveying of air, inert gas and water in mining, construction, engineering, shipbuilding, steel production etc.