Products

LEADING FUTURE WEALTH

INSULATED GLASS( DOUBLE GLAZING )

  • Description
  • Parameter
  • Application



How does double glazing work? 

Double glazing from Pharos Glass company consists of two or more panes of glass separated by an aluminum spacer, bonded together to form a completely sealed unit called an Insulating Glass Unit (IGU). Heat and cold pass through single glass,when used in conjunction with low-e and/or reflective glass coatings,IG units become effective means to conserve energy and comply with energy codes. The most common architectural insulating glass unit configuration is 1/4″ glass/ 1/2″ air space/ 1/4″ glass, whereas Pharos units trap a layer of air or Argon gas between two panes, thus creating a kind of blanket that protects the warmth of your interior. This reduces heat transfer from inside to outside (winter), and outside to inside (summer). Compared with standard glass, Pharos double glazing can reduce heat loss by as much as 70%, helping keep your home warmer and reducing energy costs.

Insulated Glass Features: 

 ■ Greatly reduces thermal transfer between indoor and outdoor environments
 ■ Lowers heating and cooling costs
 ■ Creates a more comfortable interior environment for building occupants
 ■ Low-E and/or tinted coatings available to further enhance resistance to heat gain
 ■ Construction features include: desiccant drying agent in the spacer, bent corners and keyed joints, a polyisobutylene primary seal and polysulfide or silicone secondary seal.
 ■ Optional Argon fill to provide superior thermal insulation.
 ■ Laminated or Heat Treated glass for safety and security

How the units are glazed 

If an IG unit sits in water or the seal system is overstressed, there is no unit construction that will deliver long-term performance. Pharos believes that our dual-seal construction is the most versatile IG seal system because of its excellent weather ability. In fact, in both real-world and simulated weathering conditions, Pharos’s dual-seal system outperforms other IG unit constructions.

Pharos Unit Construction 

Pharos IG units consist of two or three lites of glass separated by an inorganic metal spacer (Figures 1-1 and 1-2). Spacer corners are bent to be air/gas tight. The spacer contains desiccants which adsorb the moisture vapor within the airspace. The dual seal construction has a primary seal of polyisobutylene(Butyl) (PIB) and a secondary seal of silicone.


❶ Primary Seal: Polyisobutylene (Butyl) (PIB) minimizes moisture permeation, increases UV resistance, reduces the potential for chemical fog in airspace, and provides the lowest argon permeation of all known sealants.

❷ Secondary Seal: Specially formulated silicone for IG units provides long-term adhesion, UV protection, and greater resistance to the effects of solvents, oils and short-term water immersion. Silicone is recognized as the best sealant for resisting weathering and adhering to glass substrates. Because of its structural properties, silicone provides structural integrity of the IG units.

❸ Spacer: Stainless steel spacer Or Aluminum features a roll form design to provide maximum area for primary and secondary sealant coverage. It provides increased resistance to condensation and less stress on IG seal system. Bentcorners completely seal the spacer periphery to eliminatemoisture vapor transmission into the airspace through corners.

❹ Desiccants: Molecular sieve provides initial frost points below – 85° F. Desiccant assures optimum moisture adsorption while minimizing the effects of geometry and temperature related pressure changes.

Insulating Glass Guide Specifications: 

The following guide specification is recommended for specifying insulating glass units:

Dual Seal
PIB Primary Seal
Silicone Secondary Seal
Bent Corners
Argon Fill


■ T=Transmittance

■ R=Reflectivity

■ SHGC=Solar Heat Gain Coefficient

■ SC=Shading Coefficient


The glass performance data based on USA standard:NFRC 100-2010,European standard:CEN 



Glass Configuration

Visible Light

Solar Energy

U-Values

U-Values

SC

SHGC

STC

LT

LR

DET

ER

EA

Winter

Summer

EN673

(%)

 Outside

(%)

 inside

(%)

(%)

(%)

(%)

(W/m2 K)

(W/m2 K)

(W/m2 K)

G/G(3)

(SF)

(dB)

3mm float Clear glass

90

8

8

85

8

7

5.91 

5.33 

5.83 

1.00 

0.88 

29

4mm float Clear glass

90

8

8

84

8

8

5.88 

5.30 

5.80 

0.99 

0.87 

29

5mm float Clear glass

90

8

8

83

8

9

5.84 

5.27 

5.70 

0.98 

0.86 

30

6mm float Clear glass

89

8

8

80

7

13

5.81 

5.24 

5.70 

0.97 

0.84 

31

8mm float Clear glass

88

8

8

77

7

16

5.74 

5.19 

5.70 

0.94 

0.82 

33

10mm float Clear glass

87

8

8

74

7

19

5.67 

5.13 

5.60 

0.92 

0.80 

34

12mm float Clear glass

86

8

8

72

7

21

5.61 

5.07 

5.50 

0.90 

0.78 

36

15mm float Clear glass

85

8

8

69

7

24

5.51 

4.99 

5.40 

0.87 

0.76 

38

3mm Clear+0.38PVB+3mm Clear

89

8

8

73

8

19

5.75 

5.19 

5.67 

0.91 

0.79 

35

4mm Tempered Clear Glass+0.38PVB

+4mm Tempered Clear Glass

88

8

8

70

8

22

5.68 

5.13 

5.61 

0.88 

0.77 

35

5mm Tempered Clear Glass+0.76PVB

+5mm Tempered Clear Glass

86

8

8

67

7

26

5.56 

5.03 

5.49 

0.86 

0.75 

36

5mm Tempered Clear Glass+1.52PVB

+5mm Tempered Clear Glass

85

8

8

66

7

27

5.45 

4.94 

5.39 

0.86 

0.75 

38

5mm Tempered Clear Glass+1.9PVB

+5mm Tempered Clear Glass

84

8

8

64

7

29

5.39 

4.89 

5.34 

0.84 

0.73 

39

5mm Tempered Clear Glass+2.28PVB

+5mm Tempered Clear Glass

84

8

8

63

7

30

5.34 

4.85 

5.29 

0.83 

0.73 

40

6mm Tempered Clear Glass+0.76PV

B+6mm Tempered Clear Glass

85

8

8

65

7

28

5.50 

4.98 

5.43 

0.85 

0.74 

38

6mm Tempered Clear Glass+1.52PVB

+6mm Tempered Clear Glass

84

8

8

64

7

29

5.39 

4.89 

5.33 

0.84 

0.73 

39

6mm Tempered Clear Glass+1.9PVB

+8mm Tempered Clear Glass

83

8

8

63

7

30

5.33 

4.84 

5.28 

0.83 

0.73 

40

6mm Tempered Clear Glass+2.28PVB

+9mm Tempered Clear Glass

82

8

8

62

7

31

5.28 

4.80 

5.23 

0.83 

0.72 

41

Glass Configuration

Visible Light

Solar Energy

U-Values

U-Values

SC

SHGC

STC

LT

LR

DET

ER

EA

Winter

Summer

EN673

(%)

 Outside

(%)

 inside

(%)

(%)

(%)

(%)

(W/m2 K)

(W/m2 K)

(W/m2 K)

G/G(3)

(SF)

(dB)

4mm Tempered Clear Glass+9A

+4mm Tempered Clear Glass

82

15

15

69

14

17

2.87 

3.00 

3.00 

0.87 

0.76 

33

4mm Tempered Clear Glass+12A

+4mm Tempered Clear Glass

82

15

15

69

14

17

2.73 

2.87 

2.84 

0.87 

0.76 

33

5mm Tempered Clear Glass+12A

+5mm Tempered Clear Glass

80

14

14

66

12

22

2.71 

2.86 

2.83 

0.85 

0.74 

34

5mm Tempered Clear Glass+12Ar(Argon)

+5mm Tempered Clear Glass

80

14

14

66

12

22

2.55 

2.72 

2.66 

0.85 

0.74 

34

5mm Tempered Clear Glass+12A

+5mm Low-E(EA)glass 

75

18

17

56

14

30

1.90 

1.92 

1.90 

0.80 

0.70 

34

5mm Tempered Clear Glass

+12Ar(Argon)+5mm Low-E(EA)glass

75

18

17

56

14

30

1.62 

1.63 

1.59 

0.81 

0.70 

34

5mm Ocean blue glass +12Ar(Argon)

+5mm tempered clear glass 

54

10

14

41

8

51

2.55 

2.72 

2.66 

0.59 

0.52 

34

5mm  Ocean blue glass+12Ar(Argon)

+5mm Low-E(EA) glass 

50

11

16

34

9

57

1.62 

1.63 

1.59 

0.54 

0.47 

34

5mm blue star gray tinted

+12Ar(Argon)+5mm Clear

43

9

13

38

8

54

2.55 

2.72 

2.66 

0.57 

0.49 

34

5mm blue star gray tinted+12Ar(Argon)

+5mm Low-E(EA)glass 

40

10

16

32

9

59

1.62 

1.63 

1.59 

0.51 

0.45 

34

5mm  Ocean blue reflective+12A

+5mm  Clear glass

19

23

49

21

16

63

2.36 

2.47 

2.44 

0.37 

0.32 

34

5mm Ocean blue reflective 

+12Ar(Argon)+5mm  Clear glass

19

23

49

21

16

63

2.15 

2.28 

2.22 

0.36 

0.31 

34

6mm Clear+9A+6mm Clear glass 

80

14

14

64

12

24

2.84

2.97

2.97 

0.84 

0.73 

34

6mm Clear+12A+6mm Clear glass 

80

14

14

64

12

24

2.70 

2.84 

2.81 

0.84 

0.73 

35

6mm Ocean blue glass+12Ar (Argon)

+6mm  Clear glass

49

8

13

36

7

57

2.53 

2.70 

2.65 

0.55 

0.48 

35

6mm Ocean blue glass+12Ar (Argon)

+6mm Low-E(EA) glass 

50

11

15

33

9

58

1.62 

1.63 

1.59 

0.54 

0.47 

35

6mm blue star gray tinted+12Ar(Argon)

+6mm Clear glass 

40

8

13

35

8

57

2.53 

2.70 

2.65 

0.53 

0.46 

35

6mm blue star gray tinted+12Ar(Argon)

+6mm Low-E(EA)glass 

45

9

14

30

8

62

1.62 

1.62 

1.59 

0.49 

0.43 

35

6mm blue star gray Reflective+12A

+6mm Clear glass 

19

14

32

22

13

65

2.66 

2.80 

2.77 

0.40 

0.35 

35

6mm blue star gray Reflective

+12Ar(Argon)+6mm Clear glass 

19

14

32

22

13

65

2.48 

2.65 

2.59 

0.39 

0.34 

35

According to the standard, U value in winter with U (winter and summer) night at U (Xia Zhou) two parameters to measure, when not specifically indicate when the U value is U (winter).




tempered_insulated_low_e_strong_style_color_b82220_glass_strong_for_building.jpg


curtain-glass-manufacturer.jpg


201610109151122.jpg


3269-8694549.jpg

Copyright©Shanghai YY Home Buliding Material Co., Ltd. All rights reserved. Powered by Timi.