UV blockers = UV-blocking filter
UV-blocking filters are used, for example, for skin radiotherapy, lighting at film, photo studios or stage and for night lighting.
![UV blockers / UV-blocking filter UB4-420 UV blockers / UV-blocking filter UB4-420](/sites/default/files/styles/fader_mobile/public/2023-08/ub4-420_mg_8821.jpg?itok=ltSvHAWp)
With this UV-blocking filter, the colour rendering in the transmission is unaltered; at best, a very slight yellow colouring can be seen.
![UV blockers / UV-blocking filter UB4-440 UV blockers / UV-blocking filter UB4-440](/sites/default/files/styles/fader_mobile/public/2023-08/ub4-420_mg_8784.jpg?itok=viSHs2gf)
With this type of filters, the light from the blue end of the spectrum is reduced. For example, to protect nocturnal insects.
Glass types and sizes
The UV blockers are offered in the following materials / thicknesses / sizes
In addition, we also provide even smaller filter sizes with less material thickness. We can cut the filters round as well as in any other shape – please see Customised Glass Cutting Service.
All technical data can be found here:
Standard glass thicknesses
Float glass | 2 mm | 3 mm | 4 mm | 5 mm | 6 mm |
Borofloat | 1.1 mm | 2 mm | 3.3 mm | 5.5 mm | 6.5 mm |
Clear glass | 2 mm | 3 mm | 4 mm | 5 mm | 6 mm |
Standard sizes
minimum | in mm range depending on material |
maximum | gross 1,150 x 850 mm / net 1,080 x 800 mm |