Which of the following is the most important rubber compounding ingredient 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

Which of the following is the most important rubber compounding
ingredient 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
by

1 Answer

Answer :

(B) Carbon black
by

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