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Glass

Comparison of Insulated Glass Units with 1/2 Space

GLASS SELECTION

U-factor

Shading coeffi.

Solar heat gain coeffi.

Visible light transmission %

UV transmission %

Air

Argon

Clear / Clear

0.47

0.45

0.89

0.78

82

58

Bronze / Clear

0.47

0.45

0.58

0.50

48

19

Green / Clear

0.47

0.45

0.57

0.49

42

22

SCB / Clear

0.47

0.45

0.35

0.31

18

6

Clear / LE Sun2

0.30

0.25

0.55

0.48

70

14

Green / LE Sun2

0.30

0.25

0.42

0.36

60

8

Bronze / LE Sun2

0.30

0.25

0.37

0.32

42

6

SCB / LE Sun2

0.30

0.25

0.21

0.18

17

3

Clear / LE Sun3

0.29

0.24

0.31

0.27

66

5

Green / LE Sun3

0.29

0.24

0.28

0.24

56

4

Bronze / LE Sun3

0.29

0.24

0.25

0.22

38

4

SCB / LE Sun 3

0.29

0.24

0.18

0.15

14

3

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