Definition of inner tube

The inner tube is a circular elastic tube with a tire valve to maintain the internal pressure of the tire. The valve is used to inflate and maintain a certain pressure in the inner tube. The inner tube should have good air tightness, heat resistance, elasticity, aging resistance and small permanent deformation. It is generally made of butyl rubber. The inner tube is an air-bearing container for air-filled vibration reduction. It is used as an auxiliary air-bearing container in the inner cavity of the tyres of car, motorcycle, bicycle and manpower wheel. It can be divided into natural rubber inner tube and butyl rubber inner tube according to the main material contained. Another new product is pure butyl rubber inner tube, such as "Baolujie" pure produced by Zhengzhou Aode rubber, Butyl rubber inner tube products: refers to the use of butyl rubber, butyl recycled rubber as the main raw materials, adding EPDM and fillers, additives, anti-aging agents and other accessories, according to a certain proportion of formula, after mixing, mixing, extrusion, vulcanization and finalization, processed into various types of automotive inner tube products.