1.What Is Mylar? – Definition, Properties, and Applications Mylar is a tough, lightweight plastic film that many industries rely on because of its strength and flexibility. But what exactly is Mylar made of? And how do people use it today? Here at Welleshaft, we’ll explain the basic definition of Mylar, explore its key material features, melting point, and common uses—from food storage to electronics and stencil crafts. 2.Definition and Scientific Background First off, it is a brand name for a type of polyester plastic film made from polyethylene terephthalate (PET). It’s a biaxially oriented polyester — meaning the plastic is stretched in two directions to boost strength and stability. Term Explanation Meaning of […]