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.
Notts County FC is the oldest Football League club, and Sheffield FC is the oldest football club. The Football Association Laws of 1863 regulated the game in and around London but in the provinces clubs continued to follow their local rules for some time.The most important of these regional variants was at Sheffield.otts County FC is the oldest Football League club, and Sheffield FC is the oldest football club. The Football Association Laws of 1863 regulated the game in and around London but in the provinces clubs continued to follow their local rules for some time.