PBT is the abbreviation of Polybutylene Terephthalate, which is a high-performance engineering plastic material. PBT has excellent heat resistance, chemical resistance, mechanical properties and electrical insulation properties, and is widely used in electronics, automobiles, electrical appliances, textiles and machinery.

You can buy PBT materials in the following places:

1. Online stores: Many plastic material suppliers and handicraft suppliers offer PBT materials for sale on their online platforms. You can find and compare prices and product selections from different suppliers through search engines or online marketplaces such as Amazon and AliExpress.

2. Plastic material suppliers: You can contact local or regional plastic material suppliers to find out about the availability and price of PBT materials. They usually have a variety of specifications and brands of PBT available, and can provide technical support and consultation.

3. Plastic processing plants: Sometimes, plastic processing plants also sell raw materials, including PBT. You can directly contact local plastic processing factories and ask them if they have PBT materials for sale.

Before purchasing PBT materials, you can consider factors such as specifications, brands, and quality that match your needs. In addition, make sure to communicate with suppliers about details such as price, shipping methods, and payment terms to better meet your needs.