This European Standard was approved by CEN on 12 September 2002. Supersedes EN 170: 1992. The European Standard EN 170:2002 has status of the Standard of Republic Serbia. 20 p. This European Standard specifies the scale numbers and transmittance requirements for filters for protection against ultraviolet radiation.
The other applicable requirements for these types of filters and the frames/mountings to which they are intended to be fitted are given in EN 166.