80 passive window K ≤ 1.2W/㎡∙ K
Main profile wall thickness: 1.8mm, reinforcement section 3.0mm
Insulation strip: Grid type internal and external threading strip insulation bridge technology, 55mm high-performance nylon fiberglass
Glass: 5mm (Low-e)+12Ar (4SG warm edge)+5mm (Low-e)+12Ar (4SG warm edge)+5mm (white glass)
Waterproof level 6
Airtight grade 8
Wind resistance level 8
Sound insulation 38-42db
Insulation grade 8
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