Polybutylene terephthalate (PBT) is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries.It is a thermoplastic (semi-)crystalline polymer, and a type of polyester.olybutylene terephthalate is used for housings in electrical engineering, but also in automotive construction as plug connectors and in households for example in showerheads or irons.
Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time. Golf is the oldest sport in Europe, so old that the first golf balls were made out of cloth, before our society had the technology to maufacture them out of wood, which then progressed to today's metal cord exterior dimple design.
World's oldest race celebrates 500 years. World's oldest race celebrates 500 years. It is a race which has been run every year for five centuries on the strict instructions of the king, interrupted only by plague and war. And yesterday, perhaps the most modest prize in racing was claimed by a lean, wasp-waisted boxer - a hand-knitted pair of red socks.