GR70XL Maximize Natural Light Insulated Large Format Casement Windows
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GR70XL Maximize Natural Light Insulated Large Format Casement Windows

Wall thickness:1.8mm
Open fan size & weight
Width:450mm≥850mm
Weight:≤70KG
Height:≥1450mm
Hardware brand:SUNGYE
Glass configuration:5G+18A+5G
Frame width:60.5mm
Sash width:80mm
U-Factor(u.s/1-P):0.26
Solar Heat Gain Coefficirnt:0.32
Visible Transmittance:0.53
Condensation Resistance:70
Sir Infiltration(cfm/ft2):0.012
Availability:
Quantity:
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  • GR70XL

  • SUNGYE

GR70XL Maximize Natural Light Insulated Large Format Casement Windows


       Standard aluminum frame with thermal break, double-pane glass, 70mm profile. 90° opening, basic drainage system. Cost-effective solution for residential use.



Product characteristics


1. Aerospace-Grade Aluminum Frame
Thermally broken 6063-T5 alloy resists corrosion and extreme temperatures (-40°C to 120°C) for decades.

2. Advanced Thermal Insulation
Triple EPDM seals and multi-chamber design achieve U-value ≤1.4 W/m²K, slashing energy costs.

3. Enhanced Security Locking
6-point stainless steel locks with PAS 24:2016 certification deter forced entry attempts.

4. Customizable Aesthetic Options
50+ RAL colors, dual-tone frames, and optional decorative glazing bars for versatile integration.

5. Low-Maintenance Eco Design
Self-cleaning coating and recyclable materials ensure 20+ years of hassle-free, sustainable operation.



Casement Windows Casement Windows
Casement Windows Casement Windows
Casement Windows



Here’s a structured breakdown of Sungye GR70XL Aluminum Casement Windows with key selling points and detailed explanations:


1. Ultra-Strong 6063-T6 Aluminum Profile

Robust aerospace-grade alloy ensures structural integrity for high-rise installations.
The GR70XL uses 6063-T6 aluminum, heat-treated for enhanced tensile strength (≥245 MPa) and corrosion resistance. Its reinforced corners and 2.5mm wall thickness withstand wind loads up to 3,500 Pa, ideal for coastal or extreme climates. Precision-milled grooves ensure seamless hardware integration, while anodized/powder-coated finishes prevent UV degradation.


2. Climate-Adaptive Thermal Break

Multi-chamber design with TPE insulation achieves U-value ≤1.2 W/m²K.
Featuring a 34mm thermal barrier and dual TPE (Thermoplastic Elastomer) seals, the GR70XL minimizes heat transfer. Independent testing confirms condensation resistance at -30°C and thermal stability up to 80°C. The staggered chamber layout disrupts thermal bridging, reducing HVAC costs by ~25% in energy-efficient buildings.


3. Military-Grade Security System

Integrated 8-point locking meets BS PAS 24:2016 anti-burglary standards.
Stainless steel shoot bolts engage simultaneously into reinforced strike plates, resisting 2,500N of force. Tamper-proof hinge shields and interlocking sash-frame geometry block crowbar attacks. Optional smart locks with IP66-rated sensors enable remote monitoring, aligning with commercial security protocols.


4. Acoustic Performance (Rw 45dB)

Laminated glass + dual-seal design cuts urban noise by 80%.
The GR70XL pairs 6mm laminated glass (PVB interlayer) with asymmetric EPDM gaskets, achieving Rw 45dB sound reduction. Frequency-specific damping neutralizes traffic/aircraft noise (tested per EN ISO 10140). Optional argon-filled triple glazing boosts Rw to 50dB for hospitals or studios.


5. Customizable Aesthetic Flexibility

40+ RAL colors, dual-tone finishes, and modular glazing bars.
Architects can specify interior/exterior color combinations (e.g., woodgrain inside, metallic outside) for biophilic design. Slim 70mm sightlines maximize views, while optional lead-free faux muntins replicate historic styles. Pre-engineered CAD templates ensure quick adaptation to curved or angled openings.


6. Eco-Certified Sustainability

100% recyclable materials + ISO 14025-compliant lifecycle assessment.
Sungye’s closed-loop production reclaims 98% of aluminum scrap. Low-VOC powder coatings and GREENGUARD Gold certification ensure indoor air safety. The GR70XL exceeds EN 14001 standards, with a 50-year lifespan and 90% post-consumer recyclability, reducing embodied carbon by 40% vs. conventional frames.


7. Hassle-Free Maintenance

Self-cleaning Nano-X coating repels dust, rain, and salt deposits.
The hydrophobic outer layer uses photocatalysis to break down organic debris, requiring only annual rinsing. Stainless steel hardware resizes friction-free for 20+ years. Pre-lubricated rollers and adjustable hinges enable DIY alignment without disassembly.


Each feature is engineered to address architectural, environmental, and user-centric demands, positioning the GR70XL as a premium solution for residential and commercial projects.



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