Tubeless tyres are made of ______________ rubber, which is a co-polymer of isoprene & isobutylene?
Correct answer: C. Butyl
- A. Nitrile
- B. Silicone
- C. Butyl
- D. Neoprene
Explanation
Butyl rubber is a copolymer of isobutylene with a small amount of isoprene and has very low gas permeability, making it suitable for tubeless-tyre inner liners. Nitrile and neoprene have different monomer compositions.
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