Up to 30 different kinds of rubber, fillers and other ingredients are used in your tyre’s rubber. The ingredients are mixed in giant blenders to create a black, gummy compound that will be sent on for milling.
The cooled rubber is cut into strips that will form the basic structure of the tyre itself. At the milling stage, other elements of the tyre are prepared, some of which are then coated in another type of rubber.
It’s now time to make the tyre – from the inside out. The textile elements, steel belts, beads, ply, tread, and other components are placed in a tyre-building machine. The result is a ‘green tyre’ – a tyre that is beginning to look finished.
The green tyre is then vulcanised with hot moulds in a curing machine, compressing all parts of the tyre together and giving the tyre its final shape, including its tread pattern and manufacturer’s sidewall markings.
Trained inspectors using special machinery will now carefully check each tyre for the slightest blemish or imperfection before it can be shipped for sale. In addition to that, a selection of tyres are pulled from the line for x-raying to check for potential internal weaknesses or failures. Our quality control engineers also randomly select tyres off the line and cut them open to ensure they meet Dunlop standards.