vulcanization :

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  • n  process of treating rubber or rubberlike materials with sulphur at great heat to improve elasticity and strength or to harden them

  • Developed for tank treads, the process squirts rubber through tiny holes into molds under high pressure which raises the temperature almost to the vulcanization point, gives a .
  • One hundred years ago last week a persevering Yankee named Charles Goodyear brewed some crude rubber, sulfur and white lead on his kitchen stove, discovered vulcanization.

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