SICIS Vetrite Certificates ISO UNI EN Standards

Test report No. 383266 dated 26 May 2021 Page 4 of 6 Results Radiation At the end of the test, no faults in the item were noted. Light transmittance The following table gives spectral transmittance values for type 1 glass with SEETHROUGH substrate before and after the radiation test and the deviation from the initial measurement as a percentage. Light transmittance before and after the radiation test CLEAR glass Light transmittance before the radiation test Light transmittance after the radiation test Deviation from the initial measurement as a percentage [%] [%] [%] Measuring point 1 87,8 87,6 0,23 Measuring point 2 87,8 87,6 0,23 Measuring point 3 87,8 87,6 0,23 Average 87,8 87,6 0,23 Light transmittance before and after the radiation test WHITE glass Light transmittance before the radiation test Light transmittance after the radiation test Deviation from the initial measurement as a percentage [%] [%] [%] Measuring point 1 17,1 14,8 13,45 Measuring point 2 17,1 15,2 11,11 Measuring point 3 17,1 15,2 11,11 Average 17,1 15,1 11,89 Light transmittance before and after the radiation test MAGENTA glass Light transmittance before the radiation test Light transmittance after the radiation test Deviation from the initial measurement as a percentage [%] [%] [%] Measuring point 1 32,8 33,1 0,91 Measuring point 2 32,7 33,2 1,53 Measuring point 3 32,7 33,2 1,53 Average 32,7 33,2 1,32 Light transmittance before and after the radiation test YELLOW glass Light transmittance before the radiation test Light transmittance after the radiation test Deviation from the initial measurement as a percentage [%] [%] [%] Measuring point 1 75,4 74,8 0,79 Measuring point 2 75,4 74,8 0,79 Measuring point 3 75,4 74,8 0,79 Average 75,4 74,8 0,79

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