What are the applications of tire rubber in car tires?

The application of tire rubber in automotive tires is very extensive, mainly reflected in the following aspects:

1、 Raw materials and types of tire rubber

In the manufacturing process of car tires, the main raw materials used include natural rubber, synthetic rubber (such as styrene butadiene rubber, butadiene rubber, etc.), as well as tire reclaimed rubber and tire rubber powder.

Tire reclaimed rubber is processed from waste tires and can be reused in tire manufacturing to improve the process performance of the rubber material while reducing production costs.

Tire rubber powder is used to crush waste tires into small particles, which can also be re added to tire production.

2、 Application of tire rubber in various parts of car tires

Tire tread

The tread is the part of the tire that comes into direct contact with the ground, requiring good wear resistance, puncture resistance, and grip performance.

High strength tire tread reclaimed rubber, fine particle tire reclaimed rubber, or tire rubber powder can be mixed into car tire tread rubber to improve wear resistance and reduce costs.

The combination of natural rubber and synthetic rubber (such as styrene butadiene rubber and butadiene rubber) is also a common raw material for tire treads to cope with different road conditions.

Tire body

The tire body is the main structural part of a tire, which plays a role in supporting and bearing loads.

Tire recycled rubber or fine tire rubber powder can be mixed into the tire body rubber to reduce production costs.

The carcass of radial tires is mostly composed of single-layer steel cord fabric, and the addition of tire rubber powder or recycled rubber will not reduce its strength.

Tire sidewall

The sidewall is the outer part of a tire that requires good flexural flexibility and aging resistance.

More tire reclaimed rubber or tire rubber powder can be added to the sidewall rubber of tires to reduce raw material costs.

For radial tires for cars, the amount of tire rubber powder in the sidewall rubber can reach a high level.

Tire bead

The tire bead is the part where the tire comes into contact with the wheel rim and is required to withstand various interaction forces.

A large amount of tire reclaimed rubber can be mixed into the bead rubber to improve cost-effectiveness.

In radial tires, tire bead components such as steel wire rings and triangular rubber cores can also be added with appropriate amounts of waste tire rubber powder.

Inner tube and padding

Inner tubes are used to maintain tire pressure and are required to have excellent airtightness, good elasticity, tear resistance, and fatigue resistance.

Ultra fine tire reclaimed rubber or butyl reclaimed rubber can be mixed into the inner tube to improve the process performance of the rubber material and reduce costs.

Pad tape is a solid circular adhesive tape installed between the inner tube and the wheel rim, requiring the rubber material to have good heat aging resistance. Recycled tire rubber can replace some of the original rubber in the production of automotive tire pads.

3、 Environmental Protection and Sustainable Development of Tire Rubber

The recycling of tire rubber helps to reduce the pollution of waste tires to the environment and achieve the recycling of resources.

With the improvement of environmental awareness and technological progress, the recycling rate of tire rubber continues to increase, contributing to the sustainable development of the tire manufacturing industry.

In summary, tire rubber is widely used in automotive tires, which not only improves tire performance and cost-effectiveness, but also contributes to environmental protection and sustainable development.