4 ms·
I haven’t read the article. UVA and uvb are hardly blocked by pure glass. You can get films which let in almost all light and block almost all uv. 3M has a ran
by arresin 2y ago
I haven’t read the article. UVA and uvb are hardly blocked by pure glass. You can get films which let in almost all light and block almost all uv. 3M has a range.