Hence due to its chemical composition, it is often mistaken for the polyester or sometimes the plastic sheets. They are being manufactured in a range of finishes and styles. It is used for a broader meaning. They come in different shapes and thickness. They are Anti static, plain, adhesion treated and coated with barrier.0005” to the 0. Each of them bears some kind of unique property. For all of its uses, its physical property is one of the biggest driving factors. There are a number of their uses. Its thickness varies from the 0. There is a range of finishes as well.014”. They include finishes like white, low, clear and moderate. Almost all of them have their own chemical composition and they have their own particular use. It is basically used to signify any kind of polyester material, which have been cast, polyester color yarn calendared or extruded in a slender as well as broad film. Among them comes the Mylar sheet. There are a number of plastic films, which are in use today. This thickness is very low as compared to what we see today. But this thickness is suitable for the kind of jobs being done by the Mylar sheets. There a number of Mylar sheets available in the market today. It is not even the chemical name of the compound it represents.. Like its finishes, there is different thickness available in the Mylar sheets. These are a mark for growth.It is unique in its chemical composition. These include works like printing, casting; die cutting, barrier shield, defensive overlay clothing and a number of other applications as well. They also include black and haze. Plastic film is not a narrow term. Besides, it is also used in a number of other places. These are used in coil winding, insulations and sometimes in cryogenic window. It is simply a trade name to signify a family of plastics, which are made from the PET or the Polyethylene Terephalate. They all have their own feature.