Polybutylene Terephthalate (PBT) is a semi-crystalline, white or off-white polyester similar in both composition and properties to polyethylene terephthalate (PET). It has somewhat lower strength and ...

30, making WinTech a wholly owned subsidiary of Polyplastics. Polyplastics said it wants to enhance its presence in the PBT and glass-fiber PET markets. WinTech, based in Tokyo, formed in 2000 ...