Insulated Composite Sliding Two-row Double Window |
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Specification | Glass(mm) | Thermal Transmittance (W/㎡·k) | Air Tightness | Window Grade |
---|---|---|---|---|
230mm | 22mm Internal: Low-E 5 + Argon 12 + Regular 5
External: Low-E 5 + Argon 12 + Regular 5 |
0.976 | 0.83 | 2 rating |