Simple past tense and past participle of vulcanise.(verb)
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Use "vulcanised" in a sentence
"Paul loves fake snow lawns, arcs of twinkling lights, pulsating 100-watt stars of Bethlehem, vulcanised rubber magi scenes and the yuletide honk of a thousand car horns passing by, their drivers gawping and muttering, "Jesus, it that a Ferris Wheel?""
"I stripped off my overcoat, snapped the vulcanised neck and wrist cuffs of the tanned twill and rubber suit I was wearing beneath it, slipped an oxygen apparatus over my shoulders, tightened the straps, took the nose and eye piece in one hand and coat, pants and hat under the other arm and stepped gingerly over the side into the rubber raft the crew had already slipped over the side."
"To the back of the reflector Craig attached two other flexible wires which led to a couple of dry cells and a cylinder with a broadened end, made of vulcanised rubber."