What happens to dead rubber

Equipment

What happens when a rubber is dead? Why does it lose all its grip? Does it get oxidised with time?

Hi Chandrachur,

I am not sure of the chemical change in the rubber. Someone may be able to help here.

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The sponge gets flattened and cannot provide bounce.

The rubber loses tackiness because of exposure to air and eventual smoothening of the grip

And the pimples inside may break or burst resulting in little to no catapulting effect

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