Insulating Glass Performance Data - Low E on Clear (Coated Surface #3) (1) (A)
(1" I.G. units constructed 1/2" airspace and two 1/4" lites)
Clear/Tint
Outbourd
Lite |
Transmittance
Average |
Reflectance
Average |
(C)
N. America
(ASHRAE) |
(D)
Shading
Coefficient |
(E)
Solar
Heat Gain
Coefficient |
(F)
Relative
Heat
Gain |
Daylight
% |
Solar
% |
(B)
UV
% |
Daylight
% |
Solar
% |
Air-Filled
UNIT |
Argon-Filled
UNIT |
Summer |
Winter |
Summer |
Winter |
Clear |
72 |
51 |
38 |
17 |
15 |
0.36 |
0.33 |
0.30 |
0.28 |
0.76 |
0.65 |
157 |
Gray |
37 |
27 |
14 |
7 |
7 |
0.37 |
0.33 |
0.31 |
0.28 |
0.45 |
0.39 |
95 |
Bronze |
45 |
32 |
16 |
9 |
9 |
0.36 |
0.33 |
0.31 |
0.28 |
0.52 |
0.45 |
110 |
Solex |
63 |
33 |
20 |
14 |
9 |
0.36 |
0.33 |
0.31 |
0.28 |
0.50 |
0.43 |
106 |
LOF
Blue Green |
62 |
34 |
21 |
14 |
9 |
0.36 |
0.33 |
0.31 |
0.28 |
0.52 |
0.45 |
108 |
Ford
Blue |
45 |
29 |
21 |
9 |
8 |
0.36 |
0.33 |
0.31 |
0.28 |
0.48 |
0.41 |
100 |
LOF
EverGreen |
54 |
24 |
10 |
12 |
7 |
0.37 |
0.33 |
0.31 |
0.28 |
0.39 |
0.34 |
84 |
PPG
SolarGreen |
55 |
24 |
11 |
12 |
7 |
0.37 |
0.33 |
0.31 |
0.28 |
0.40 |
0.34 |
84 |
PPG
Azurlite |
58 |
25 |
19 |
13 |
8 |
0.36 |
0.33 |
0.31 |
0.28 |
0.40 |
0.34 |
85 |
PPG
Graylite |
11 |
15 |
5 |
5 |
6 |
0.37 |
0.33 |
0.32 |
0.28 |
0.31 |
0.27 |
68 |
PPG Sungate 300, 500, and AFG Comfort E coatings are also available.
(1) Based on LOF Low E
Insulating Glass Performance Data - Low-E on Clear Glass (Coated Surface #3) (1) (A)
(1" I.G. units constructed 1/2" airspace and two 1/4" [6mm] lites)
REFLECTIVE
OUTBOARD
LITE |
Coated
Surface |
Transmittance
Average |
Reflectance
Average |
(C)
N. America
(ASHRAE) |
(D)
Shading
Coefficient |
(E)
Solar
Heat Gain
Coefficient |
(F)
Relative
Heat
Gain |
Daylight
% |
Solar
% |
(B)
UV
% |
Daylight
% |
Solar
% |
Air-Filled
UNIT |
Argon-Filled
UNIT |
Summer |
Winter |
Summer |
Winter |
Eclipse
Clear |
1
2 |
33
33 |
31
31 |
7
7 |
47
42 |
34
29 |
0.36
0.36 |
0.33
0.33 |
0.30
0.30 |
0.28
0.28 |
0.49
0.50 |
0.43
0.43 |
104
106 |
Eclipse
Blue-Green |
1
2 |
28
28 |
18
18 |
7
7 |
46
33 |
31
18 |
0.36
0.36 |
0.33
0.33 |
0.30
0.31 |
0.28
0.28 |
0.31
0.33 |
0.27
0.29 |
68
72 |
Eclipse
Gray |
1
2 |
16
16 |
17
18 |
2
2 |
45
13 |
31
11 |
0.36
0.37 |
0.33
0.33 |
0.31
0.32 |
0.28
0.28 |
0.30
0.33 |
0.26
0.28 |
65
71 |
Eclipse
Bronze |
1
2 |
19
20 |
19
19 |
3
3 |
47
19 |
33
15 |
0.36
0.37 |
0.33
0.33 |
0.30
0.31 |
0.28
0.28 |
0.33
0.35 |
0.28
0.31 |
71
76 |
Eclipse
Gold |
1
2 |
NA
27 |
NA
21 |
NA
2 |
NA
44 |
NA
33 |
NA
0.36 |
NA
0.33 |
NA
0.30 |
NA
0.28 |
NA
0.36 |
NA
0.31 |
NA
77 |
Solarcool
Gray |
1
2 |
14
15 |
13
14 |
5
5 |
37
11 |
31
10 |
0.36
0.37 |
0.33
0.33 |
0.31
0.32 |
0.28
0.28 |
0.26
0.29 |
0.22
0.25 |
57
63 |
Solarcool
Bronze |
1
2 |
17
18 |
16
16 |
5
5 |
37
14 |
32
13 |
0.36
0.37 |
0.33
0.33 |
0.30
0.31 |
0.28
0.28 |
0.30
0.32 |
0.26
0.28 |
65
70 |
Solarcool
Azurlite |
1
2 |
22
22 |
9
9 |
5
6 |
37
20 |
30
10 |
0.36
0.37 |
0.33
0.33 |
0.31
0.32 |
0.28
0.28 |
0.18
0.21 |
0.16
0.18 |
42
47 |
Solarcool
Graylite |
1
2 |
4
5 |
8
9 |
1
1 |
36
5 |
31
7 |
0.36
0.37 |
0.33
0.33 |
0.31
0.33 |
0.28
0.28 |
0.20
0.23 |
0.17
0.20 |
45
51 |
Sunglass
Reflective
Blue |
1
2 |
15
16 |
13
13 |
5
5 |
39
15 |
33
13 |
0.36
0.37 |
0.33
0.33 |
0.31
0.32 |
0.28
0.28 |
0.25
0.27 |
0.21
0.24 |
54
60 |
PPG Sungate 300, 500, and AFG Comfort E coatings are also available.
(1) Based on LOF Low E
