Here at Indepak, we use a wide variety of thermoplastic materials to create packages, trays and other thermoplastic products. One commonly used material for thermoform molding is polyethylene terephthalate. This plastic, more commonly and easily known as PET, is one of the most widely used thermoplastics on the planet. PET is actually a member of the vast polyester family. While polyester might make you think about clothing, particularly the groovy styles of the late 1960s and 1970s, this family of…