Are any of our optical films, including our various diffuser film and paper, approved for direct food contact? No. Grafix stocks other types of film products that are, including acetate, specific brands andgrades of polyester film, HDPE and polypropylene. Other types food-safe films are available as a custom order; larger production minimums may apply.
Are our circular/bulk diffuser films suitable for outdoor use? No, not as a first surface. If exposed to the elements, our circular/bulk diffuser film diffusion surface(s) will be negatively impacted If you need to put this material outside, it must be contained in something else that will keep it from being exposed to excessive UV … Read more
Are our asymmetric diffuser films suitable for outdoor use? No, not as a first surface. If exposed to the elements, our asymmetric diffuser film will degrade over time. If you need to use this material outside, it must be contained in some-thing else that will keep it from being exposed to excessive UV and moisture.
What is the heat resistance of circular light diffuser film? Circular light diffuser film is designed for use in environments below 85C/185F. At higher temperatures, the matte surface could yellow, or lose some of its ink adhesion properties. At really high temperatures (above 150C), it begins to lose its orientation; it will become wavy and … Read more