Definition of "polybutylene" []

• Polybutene (noun)

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• "The part, made of relatively pliable polycarbonate polybutylene terephthalate (PC/PBT) plastic performs as designed."
• "The part, made of relatively pliable polycarbonate polybutylene terephthalate PC/PBT plastic performs as designed."
• "The Tan Through range uses a common yarn, polybutylene terephthalate known as PBT, a synthetic material with an elastic stretch that does not contain any lycra."