Publikuar
This standard specifies the determination of visible light transmission for transparent materials by using a photometer employing a defined light source and a photocell matched to the response of the human eye.
Because the materials under test are basically colourless, certain deviations from ideal conditions, indicated in the test, are allowable.
Directives related to this standards.
Rregullorja (BE) Nr. 305/2011 e Parlamentit Evropian dhe e Këshillit e datës 9 Mars 2011 që parashtron kushtet e harmonizuara për tregtimin e produkteve të ndërtimit dhe shfuqizimin e Direktivës së Këshillit KEE/89/106
PUBLISHED
SSH EN 2155-5:1989
60.60
Standard published
29 dhj 2006