Ultrathin (0.0007 mm/0.0000275 in.) PET film for use by design engineers and model makers is gaining popularity as window material for models.
It has good gas-barrier and chemical-resistant (except to alkalis) properties. Traditionally, PET film of greater thickness has been used in the manufacture of electrical capacitors, in graphics, as film base, and for recording tapes.
Goodfellow Corp., 237 Lancaster Ave., Suite 252, Devon, PA 19333, (800) 821-2870, goodfellow.com