PET 4000 is a type of polymer known as polyethylene terephthalate, commonly used in various applications, including packaging and textiles. It is recognized for its strength, durability, and resistance to moisture, making it ideal for products like plastic bottles and food containers. The PET 4000 variant is specifically designed for enhanced performance in certain industrial applications. It can be processed at higher temperatures and offers improved mechanical properties, which makes it suitable for use in engineering plastics and other specialized products.