3 ms·
Borosilicate glass does let UV-B pass. https://en.m.wikipedia.org/wiki/Borosilicate_glass https://en.m.wikipedia.org/wiki/Borosilicate_glass Quite a bit more
by hutzlibu 3y ago
Borosilicate glass does let UV-B pass.
https://en.m.wikipedia.org/wiki/Borosilicate_glass https://en.m.wikipedia.org/wiki/Borosilicate_glass
Quite a bit more expensive, though. And even better would be pure SiO2, fused quartz/silica.
https://en.m.wikipedia.org/wiki/Fused_quartz https://en.m.wikipedia.org/wiki/Fused_quartz