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| Plastic Profile | Visible wall thickness 2.8mm; outer frame profile 93mm, sash profile 76mm; comply with GB/T8814-2017 Type-A PVC-U profile. V-welding process; mullion with mechanical screw connection & sealing plug to improve connection strength and waterproof performance; carbon-ceramic water-based paint coating |
| Steel Reinforcement | ≥2.0mm hot-dip galvanized steel liner, DX51D+Z material, zinc coating 275g/m², 48-hour salt spray test |
| Aluminum Surface Treatment | Imported AkzoNobel powder coating with 10-year warranty, electrostatic spraying process |
| Standard Colors |
PVC-U profile: Midnight Black, Ink Grey, Deep Mist Grey, Rich Tea Brown, Rice Beige, Fresh Green Outer aluminum: Satin Grey, Wild Goose Brown, Midnight Black, Misty Blue, Rich Tea Brown, Cloud White |
| Glass | Standard: 5GL clear+14Ar+5G clear+14A+5G clear triple-glazed double-cavity insulating glass; outward-in: tempered offline Low-E glass + argon gas filling + tempered clear glass + bendable aluminum spacer bar, film surface on the second side. Sash glass pre-installed in factory; fixed glass supplied loose for on-site installation |
| Hardware | Standard TOR hidden multi-point anti-burglary hardware, anti-theft lock block, standard stroke limiter |
| Handle | Custom Senying Hoppe high-grade handle. Optional TOR base-free handle (black); optional Roto base-free handle (matte black, pearl coffee, graphite grey, note required for drawing) |
| Screen Window | Not included |
| Frame-sash Sealing Strip | 5-channel EPDM sealing strips. Miter welding for screen-sash corner; group-injection welding for main frame sealing; miter bending for other joints |
| Glass Sealing Strip | EPDM sealing strip with miter-bending process |
| Glass Accommodation Range | Straight-slant edge profile: opening sash 39-54mm, fixed sash 40-51mm |
| Performance Parameters | Water tightness Grade 6 (ΔP ≥ 700Pa), Air tightness Grade 8 (q1 ≤ 0.5m³/(m·h)), Wind resistance Grade 9 (P3 ≥ 5000Pa), Heat transfer coefficient K value 1.2W/(m²·K) |
| Glass Inner & Outer Sealing Gasket | Water-expansion gaskets for fixed glass perimeter |
| Rebate Acceptance Range | Standard straight edge profile (fixed rebate: 30-33, 43-46mm; opening sash rebate: 30-33mm); Decorative strip rebate range (fixed rebate: 30-33, 43-46mm; opening sash rebate: 30-33mm) |
| Insulation & Sound Ratings | Water tightness Class 6 (ΔP ≥ 700Pa), Air tightness Class 8, Wind-load resistance Class 9 (P ≥ 5000Pa), Sound insulation Class 3-4 (30db ≤ Rw+Ctr < 40db), Thermal transmittance: 1.3W/(m²·K) < K < 1.7W/(m²·K) |