Insulating Glass Units
The properties of NSG TEC™ in Refrigerator Door Applications*:
| Glazing (Room/Cool Side) |
Airspaces (Number) |
Ug-Value |
Room-Side Glass Temp. (C) |
Condensation RH** (%) |
RH Improvement (%) |
Heat Flow Through Glass (W/m²) |
Heat Flow Reduction (%) |
Power Density (W/m²) |
| Clear/Clear |
1 |
2.4 |
20 |
64 |
Base Case |
54 |
Base Case |
0 |
Triple Clear***
|
2 |
2.0 |
21 |
69 |
8 |
46 |
17 |
0 |
NSG TEC™ 15/Clear
|
1 |
1.7 |
22 |
73 |
14 |
38 |
30 |
0 |
* Room-side temperature = 27˚C, refrigeration temperature = 4˚C.
** Condensation along the room-side glass surface away from the frame when the relative humidity (RH) within the room is greater than the value noted.
*** No power.
The properties of NSG TEC™ in Freezer Door Applications*:
| Glazing (Room/Cool Side) |
Airspaces (Number) |
Ug-Value |
Room-Side Glass Temp. (C) |
Condensation RH** (%) |
RH Improvement (%) |
Heat Flow Through Glass (W/m²) |
Heat Flow Reduction (%) |
Power Density (W/m²) |
| Triple Clear*** |
2 |
1.9 |
15 |
48 |
Base Case |
87 |
Base Case |
0 |
NSG TEC™ 70/Clear/Clear
|
2 |
1.7 |
24 |
81 |
70 |
82 |
6 |
82 |
NSG TEC™ 70/NSG TEC™ 15
|
1 |
1.6 |
25 |
87 |
82 |
75 |
14 |
82 |
NSG TEC™ 70/NSG TEC™ 15/Clear
|
2 |
1.5 |
25 |
90 |
88 |
73 |
17 |
82 |
* Room-side temperature = 27˚C, freezer temperature = −20˚C.
** Condensation along the room-side glass surface away from the frame when the relative humidity (RH) within the room is greater than the value noted.
*** No power.
Notes: All glass 3.2 mm; Airspace 12 mm for doubles, 6 mm for triples; Airspace filled with air; All simulations utilizing LBL Windows 5.2; Demist heater power of 100 Watts (82 W/m²); Input voltage = 120 volts; Units 800 mm × 1,700 mm, bus bars along 800 mm dimensions.