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प्रश्न
How is natural rubber vulcanized?
लघु उत्तरीय
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उत्तर
Vulcanization is carried out by heating natural rubber with 3-5% sulphur at 110°C for about 20-30 minutes. During this process, sulphur forms cross-links between adjacent hydrocarbon chains present in natural rubber. The rubber thus obtained is called vulcanized rubber.
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