Crack
2014-04-16
Crack here refers to rubber crack occurred on rubber surface, which can be divided into four categories.
There are cracks caused by the physical force and chemical aging crack due to chemical reactions. Composite cracks occurred due to both above reasons.
Reasons:
1.insufficient air pressure, overlarge load and excessive stretching
2 Local stress concentration caused by disconnection
3. Chemical aging due to drugs (polish)
4. Aging caused by ultraviolet, ozone, heat, etc.
