Vulcanized rubber manufacturing technology is about minimizing creep and permanent set due to the effects of low temperatures and incomplete elasticity.The choice of natural rubber as the cushioning material of the body must have good mechanical properties, i. H. Strain properties that have low elasticity and loss of hysteresis in critical low density areas. Deformation of the stress-strain curve, resulting in low heat generation and creep performance with "good" tolerance. It is resistant to heat, bending and abrasion, but due to the expansion effect of certain common liquids (such as petrol, benzene and lubricants) it can easily be damaged in mechanical environments and industrially. Although of poor quality, these disadvantages can be overcome by adding additives in most applications.