Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness?

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Ram Sharma

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📊 Polymer Technology

Q. Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness?

(A) Phosphorous
(B) Carbon black
(C) Pine oil
(D) Rosin

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✅ Correct Answer: (B) Carbon black

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