Buna-S is also called____________________?
Correct answer: B. SBR
- A. Polyurethane
- B. SBR
- C. Teflon
- D. Bakelite
Explanation
Buna-S is the conventional name for styrene-butadiene rubber, abbreviated SBR. It is a copolymer of butadiene and styrene, widely used in tyres.
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