However, what Plexiglas does regarding ultraviolet light is reduce its intensity. As ultraviolet rays pass through Plexiglas windows, they're refracted and broken up, made less intense so that those on the other side of the window aren't exposed to the full level of the radiation.
Commonly used impact resistant polycarbonate (PC) safety glasses were evaluated for suitability of use in a high power, ultra-violet (UV) laser lab in place of laser eyewear. Product bulletins for the glasses tested all specified 99.9% or greater UV absorbance for their PC materials. Safety glasses from various manufacturers were exposed to When produced by the sun, UV-C does not penetrate the earth's atmosphere. Standard window glass, according to the International Ultraviolet Association, will allow UV-A to pass through while almost 100% of the UV-B and UV-C light is blocked. Therefore, some UV light will enter your home and potentially affect your skin. Another way to hide from thermal imaging is to use a heavy blanket or wool blanket for a quick temporary method of IR concealment. Throw a blanket over yourself. A thick woolen blanket will help defeat thermal imaging. It works surprisingly well. Emergency Wool Blanket.LowE coatings block UV and allow visible light thru and then block infrared as well. On the UV side of the spectrum, we have three "designations" based on the frequency spectrum of the UV: UVC, which is the really short range stuff (past UVC, you run into microwaves). UVB, which is the middle range stuff. UVA, which is the "longwave" UV radiation.However, plexiglass does suffer from some downsides that come from it being plastic. These include static electricity buildup, which can be an annoyance at best or a hazard at worst. UV light exposure can turn some plexiglass polymers yellow, including acrylic. . 336 48 172 201 187 324 327 391 134