Tinted plastic film for building windows; polyurethane film for use as building insulation; polyurethane films for use in sealing and insulating buildings; rigid polyester films for use on windows; multilayer polyurethane films for use in sealing and insulating; insulator film, namely, polyurethane film for use as building insulation, and plastic films for electrical insulation; plastic film for packing, cushioning or stuffing purposes, namely, shrink films; tinted polyurethane film for use o...