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  HGP Industries Inc.   Heat Treated and Insulating  

Insulating Glass Performance Data on Low-E Clear Glass (Coated Surface #3) (1)(A)

   

Heat Treated and Insulating

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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



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