2 0 1 3 P R O D U C T G U I D E VIRACON PRODUCT GUIDE 2013 ...

PERFORMANCE DATA TABLES
VE1-42 INSULATING SILK-SCREENED GLASS (TABLE 5)
The table compares silk-screen patterns in a white (V175) ceramic frit and a warm gray (V933) ceramic frit with a VE-42 (Low-E) coating.
Viraspan
Color
Silk-screen
Coverage
Transmittance
Visible Solar U-V
Reflectance
Exterior Interior Solar
U-Value
Winter Summer
Shading
Coefficient
Relative
Heat Gain
SHGC
LSG
European
U-Value
37% 24% 16% 19% 14% 21% .31 .29 .36 77 .31 1.20 1.6
V175 20% 32% 20% 12% 22% 16% 22% .31 .29 .32 68 .28 1.14 1.6
V933 20% 31% 20% 13% 18% 14% 19% .31 .29 .32 68 .27 1.15 1.6
V175 30% 29% 19% 11% 24% 16% 22% .31 .29 .30 64 .26 1.12 1.6
V933 30% 27% 18% 11% 18% 15% 18% .31 .29 .29 63 .25 1.08 1.6
V175 40% 26% 17% 9% 25% 17% 23% .31 .29 .28 60 .24 1.08 1.6
V933 40% 24% 16% 9% 17% 15% 17% .31 .29 .27 58 .23 1.04 1.6
V175 50% 23% 15% 8% 27% 18% 23% .31 .29 .26 55 .22 1.05 1.6
V933 50% 21% 14% 8% 17% 15% 17% .31 .29 .25 54 .21 1.00 1.6
V175 60% 20% 13% 6% 28% 19% 24% .31 .29 .23 51 .20 1.00 1.6
V933 60% 17% 12% 6% 16% 15% 16% .31 .29 .23 49 .20 .85 1.6
The performance data for Tables 1-5 applies to insulating glass units constructed with two plies of 1/4” (6 mm) clear glass, a 1/2” (13.2 mm) air space
and a white (V175) or warm gray (V933) silk-screen pattern and a VE (Low-E) coating on the second (#2) surface.
Silk-screened glass requires heat treating.
VRE1-59 INSULATING SILK-SCREENED GLASS (TABLE 6)
The table compares silk-screen patterns in a white (V175) ceramic frit and a warm gray (V933) ceramic frit with a VRE-59 (Radiant Low-E) coating.
Viraspan Silk-screen Transmittance
Reflectance
U-Value Shading Relative
European
Color Coverage Visible Solar U-V Exterior Interior Solar Winter Summer Coefficient Heat Gain SHGC LSG U-Value
53% 28% 17% 30% 19% 38% .30 .27 .39 81 .33 1.60 1.5
V175 20% 45% 24% 14% 31% 23% 36% .30 .27 .34 72 .29 1.55 1.5
V933 20% 43% 23% 14% 27% 20% 33% .30 .27 .33 71 .29 1.48 1.5
V175 30% 41% 22% 12% 32% 24% 35% .30 .27 .32 67 .27 1.52 1.5
V933 30% 39% 21% 12% 25% 21% 31% .30 .27 .31 66 .27 1.44 1.5
V175 40% 37% 20% 10% 32% 26% 34% .30 .27 .29 62 .25 1.48 1.5
V933 40% 34% 18% 10% 24% 21% 28% .30 .27 .28 60 .24 1.42 1.5
V175 50% 33% 17% 9% 32% 28% 33% .30 .27 .27 58 .23 1.43 1.5
V933 50% 29% 16% 9% 22% 22% 26% .30 .27 .26 55 .22 1.32 1.5
V175 60% 29% 15% 7% 33% 29% 32% .30 .27 .25 53 .21 1.38 1.5
V933 60% 24% 13% 7% 21% 22% 23% .30 .27 .23 50 .20 1.20 1.5
VIRACON // INSULATING GLASS
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