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 • 188.81K Points
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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

(D) Rosin

Correct answer : Option (B) - Carbon black

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