Vulcanization

Vulcanization is a range of processes for hardening rubbers. The term originally referred exclusively to the treatment of natural rubber with sulfur and heat, which remains the most common practice. It has also grown to include the hardening of other (synthetic) rubbers via various means.

Examples include silicone rubber via room temperature vulcanising and chloroprene rubber (neoprene) using metal oxides.

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Source: Wikipedia · Image: Wikimedia Commons · Public domain

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