What is the percentage of sulfur used in vulc | vedclass

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(D) Vulcanization is a chemical process for converting natural rubber or related polymers into more durable materials by the addition of sulfur or oth

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$30$

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(D) Vulcanization is a chemical process for converting natural rubber or related polymers into more durable materials by the addition of sulfur or other equivalent curatives. For standard vulcanized rubber used in tires,the sulfur content is typically around $3-5 \%$. However,for hard rubber (ebonite) used in battery casings,a much higher concentration of sulfur is required to provide the necessary rigidity and chemical resistance. This type of rubber typically contains approximately $30 \%$ sulfur.

What is the percentage of sulfur used in vulcanized rubber for battery casings (in $\%$)?

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