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Which percentage of sulphur is used in t...

Which percentage of sulphur is used in the vulcanization of rubber?

A

`"05%"`

B

`"03%"`

C

`"30%"`

D

`"55.0%"`

Text Solution

Verified by Experts

The correct Answer is:
A
Vulcanization is a process in which natural rubber is treated with 4-5% sulphur and certain organic compounds which accelerate the reaction between the rubber and sulphur. It introduces sulphur bridges between polymer chains thereby increasing its tensile strength, elasticity and resistance to abrasion.
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