In the production of tyres, so there are several component parts, starting with the.
1. Natural rubber.
2. Synthetic rubber, which is produced from petroleum. This section helps prevent tire weakens when exposed to hot weather.
3. carbon black or powder slugs to allow the rubber molecules condense. Resistant to wear, including scratches.
4. the canvas or wire helps strengthening steel fiber reinforced.
5. zinc oxide to retard decomposition UV rays beetle.
6. gum rubber with which Shima is flexible, fixed.
7. other chemicals as cadmium, copper, lead, zinc, mercury and other heavy metals, compounds of carbon, Hi dormy Inn Mishima.