DS DS/EN ISO 13468-1
DS DSEN SO 13468-1 1996-NOV-29 Plastcs - Determnaton of total lumnous transmttance of transparent materals - Part 1 Sngle-beam nstrument
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This standard covers the determination of total luminous transmittance of visual light of planar transparent and substantially colourless plastics, by using a photometer, employing a defined light source and a photodetector corresponding to the CIE standard. This standard can not be applied to plastics which contain fluorescent materials.