Style: US style /European style
Upvc profile: 2.0mm,2.2mm,2.5mm,2.8mm,3.0mm thickness avaiable
Profile surface color: white UV coating mainly, double-color coextrusion profile, laminated wooden-color film and other option available
Color: customize available
Chamber Structure: 4-6 Chamber;
Standard: A
Heat preservation: k≤1.54w/m2•k(GB/T8484-2008)
Sound Insulation: Rw≥35dB(GB/T8485-2008)
air-tightness: Grade 6(GB/T7106-2008)
Water Sealing Property:Grade 5(GB/T7106-2008)
Wind Pressing Resisting: Grade 6(GB/T7106-2008)
