Performance Data of Low Iron Float Glass

Thickness

(mm)

visible light Transmittance Visible light Reflectivity Shading Coefficient U value Sound Insulation UV Penet ration
Short Wave Long wave Total (W/m2K) Rm (dB) Rw (dB)
3 91.50% 8% 1.05 0.01 1.05 5.8 26 30 76%
3.2 91.50% 8% 1.03 0.01 1.05 5.8 26 30 75%
4 91.40% 8% 1.03 0.01 1.05 5.8 27 30 73%
5 91% 8% 1.03 0.01 1.03 5.8 29 32 71%
6 91% 8% 1.02 0.01 1.03 5.7 29 32 70%
8 91% 8% 1.01 0.01 1.02 5.7 31 34 68%
10 91% 8% 1.01 0.02 1.02 5.6 33 36 66%
12 91% 8% 1 0.02 1.01 5.5 34 37 64%
15 90% 8% 0.99 0.02 1 5.5 35 38 61%
19 90% 8% 0.97 0.02 0.99 5.5 37 40 59%
22 89.60% 8% 0.95 0.02 0.97 5.5 38 43 58%
25 89% 8% 0.93 0.02 0.95 5.5 39 45 56%