Which of the following is the most important rubber compounding ingrad – McqOptions

MCQOPTIONS

1.	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.	hosphorous
B.	arbon black
C.	ine oil
D.	osin
Answer» C. ine oil

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