You don't want to stare at UV-C...it will blind you. I bought safety glasses. I also cover the unit when in use:
Box sign.jpg <https://drive.google.com/file/d/1Us4seFRgzn1g4xknbJW2VQ86OL7uEM5f/view?usp=drive_web> On Thu, Apr 16, 2020 at 10:46 PM Terry Blanton <hohlr...@gmail.com> wrote: > The NIH article states that masks are damaged by chemical agents. I first > heard of the Swedes sterilizing masks with 254 nm light. Then found the > NIH article and decided to build my own. I ordered the parts from Amazon a > few weeks back and had it up and running last week. Two sources means you > don't have to turn the masks. > > I am building a second one with a single 18" tube this weekend using a > standard fixture. The 6 inch small tubes are no longer available. I got > the tube in today. > 18 inch uv.c.jpg > <https://drive.google.com/file/d/1YgniUQP0q3H7Tm9PiFDwdt6uYjqdt0y-/view?usp=drive_web> > I have run tests on cheap dust masks. After 24 hours exposure, the only > obvious damage is a weakening of the elastic. Looks like about 20%. The > control is on the right. Each are filled with equal weights. > >
