____________________ of rubber decreases after its vulcanisation?
Correct answer: B. Tackiness
- A. Resistance to the action of organic solvent
- B. Tackiness
- C. Maximum service temperature
- D. Tensile strength
Explanation
Vulcanisation forms sulphur cross-links between rubber chains, reducing their stickiness or tackiness. It generally increases tensile strength, solvent resistance, and usable temperature range.
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