Emergency Management First Aid Mylar Blankets How Mylar Blankets Work - Not For Insulation | July 26, 2022 Sometimes called an Emergency Thermal Blanket, Space Blanket, Silver Foil Blanket. Pictured above: Â NASA Hubble Space Telescope Do Mylar Blankets Actually Work? Mylar is a trademarked polyester resin owned by DuPont, a global leader in polyester films. Mylar is heat-resistant and it is aluminized making it UV-resistant and having reflective properties. It is true, that the mylar material was designed by NASA (in collaboration with other manufacturing companies) in the 1950s
