85 extremely narrow passive window K ≤ 1.4W/㎡∙ K
Main profile wall thickness 1.8mm, local wall thickness 3.0mm, Jieyang customized 45mm insulation strip
5G+12Ar+5G+12A+5GLow-e (mm) 4SG insulated tempered glass
Waterproof level 6
Airtight grade 8
Wind resistance level 9
Sound insulation 37dB
Insulation grade 7
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