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Christopher Columbus was the first man to bring rubber balls to Europe! Rubber will rot slowly. It will change with the outside temperature and become brittle in cold weather and sticky in hot weather. So it could not be put to any use in such varying climates.
Many inventors tried to make rubber weather proof! This would render rubber a stronger and a more reliable material!
One of them was Charles Goodyear, who spent seven long years trying to make rubber stronger, by boiling it with different substances. But he could not get the right combination!
In 1839, a concoction of rubber and sulfur fell from his hands by chance, on a hot stove. They melted and combined to form strong rubber.
Sulfurized rubber steamed at 132 degrees Celsius-under pressure for several hours-resulted in weather proofing rubber.
Sulfurized rubber steamed at 132 degrees Celsius-under pressure for several hours-resulted in weather proofing rubber.
Visalakshi Ramani