Filmquest: Premier global supplier of Questar polyester film polyester film, mylar film, pet film, PET plastic supplier, polyester coating, substrate converter, adhesive laminating, foil film, fabric slitting, embossed liners, aluminum film, industrial film specialty applications, electrical imaging, electronics imaging, Filmquest supplies Questar™ polyester film (PET film) in slit-to-width rolls, cut sheets, and fabricated components. Our complete production facilities make our lead times far shorter than polyester film manufacturers and keep our prices low.