TPU, thermoplastic polyurethane elastomer, is a kind of MDI , TDI, macromolecule polyol and chain extender co-reaction polymerized polymer material. Due to its excellent wear resistance, corrosion resistance and high tensile strength, TPU is widely used in film sheets, adhesives, shoe materials, cables and other fields.
At present, mainstream bicycle inner tube tires mainly use synthetic butyl rubber and Natural latex rubber as a material. However, in recent years, TPU inner tubes have gradually entered the public eye. For example, at the China Bicycle Exhibition held in Shanghai in early May, many manufacturers displayed TPU inner tubes, including Maijin Technology and Ridenow.
Source: Ridenow official website
Compared with rubber inner tube, TPU inner tube has the following Several advantages: First, TPU is non-toxic and odorless. The production process of rubber tires will release harmful exhaust gas, which will cause damage to the human respiratory system, circulatory system and nervous system. TPU itself is a non-toxic and odorless material that can be plasticized by heating and dissolved by solvents, and the final product made usually does not need to be vulcanized and cross-linked. Secondly, the recovery rate of waste rubber tires is low, only about 50%. The scale of enterprises that can recycle waste tires is small, and some enterprises are affected by local environmental protection policies, and the annual device load rate is not high. At the same time, the industry has low profits and cannot have enough funds to upgrade technology, resulting in the development of the waste tire recycling industry has been relatively slow. However, as a new type of environmentally friendly material, TPU can be recycled and reused, which is environmentally friendly. At present, some bicycle brands have also launched 100% recyclable TPU inner tubes. Finally, from the perspective of riding experience, the TPU material is lighter and more durable, which improves the foot feel, anti-puncture performance, starting acceleration and rapid acceleration capabilities.
As more and more manufacturers and bicycle brands launch TPU Inner tube, this innovative material is gradually receiving public attention and recognition. It not only changed the traditional concept of the inner tube industry, but also brought more choices and possibilities to cycling.
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