Mastication of rubber means_______________?
Correct answer: A. Its softening
- A. Its softening
- B. A treatment to retard its deterioration due to oxidation
- C. Improving its curing rate
- D. Depression of its freezing point
Explanation
Mastication is the mechanical working of raw rubber to break down its long chains and reduce viscosity, making it softer and easier to process. It is not the curing or oxidation-protection treatment.
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