Thermal Insulation & Low U-Value: Engineered by combining offline bend-temperable Low-E coatings with specialized Argon gas filling, dropping the structural U-value to 1.4 - 2.8 W/(m²·K) for maximum energy efficiency.
Flawless Multi-Pane Radius Match: Processed via advanced synchronous horizontal roll-bending technology, minimizing structural arc deviation between the inner and outer glass panes to eliminate seal stress and long-term delamination.
High-Performance Acoustic Attenuation: Formulated as a structural acoustic barrier, delivering a noise reduction rating of 30-40 dB—ideal for urban commercial curtain walls and echoing airport atriums.
Dual-Layer Primary & Secondary Seals: Secured utilizing premium primary PIB (isobutylene) tape combined with heavy-duty structural silicone or polysulfide perimeter sealing to completely eliminate moisture ingress and condensation.
Safe Honeycomb Fragmentation: Delivers 3-5 times the mechanical impact and wind-load resistance of standard annealed glass, fracturing into safe, blunt honeycomb-like granules in the rare event of structural over-stress.
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Are you designing a sweeping geometric glass curtain wall, a massive spherical commercial atrium, or a modern high-performance skylight canopy? Shandong Weihua Glass manufactures premium, industrial-grade Custom Curved Tempered Insulated Glass Units (Bent Double Glazing) engineered precisely to satisfy demanding structural engineering submittals, strict green building energy codes, and ambitious architectural aesthetics.
Standard straight glazing lacks the fluid lines required for fluid modern design, while ordinary monolithic bent glass leads to high solar heat gain and thermal energy leaks. Weihua's automated facility resolves this bottleneck. By processing high-performance, temperable Low-E coatings inside synchronized horizontal bending-tempering furnaces, we construct hermetically sealed dual or triple-pane insulated blocks that balance panoramic optical clarity with world-class thermal insulation and structural wind-load physics.
Engineering Feature | Specification Metrics & Options |
Typical IGU Build Matrix | 5mm + 12A + 5mm | 6mm + 12A + 6mm | 8mm + 12A + 8mm | 10mm + 12A + 10mm (Custom multi-layer bent laminated combinations available on engineering demand) |
Spacer Configurations | Air Gap (A): 9A, 12A, 15A, 16A, 19A, 20A Spacer Types: Premium Aluminum Spacers with Molecular Sieve Desiccant / Warm Edge Spacers |
Gas Filling Upgrades | Standard Dry Air Filtration or Heavy-Duty Argon (Ar) Gas Injection for advanced insulation |
Thermal Metric (U-Value) | 1.4 - 2.8 W/(m²·K) (Optimized via Low-E film selection and Argon density) |
Acoustic Mitigation | STC Rating: 30 - 40 dB Noise Reduction (Upgradable via asymmetric laminated glass pairings) |
Bending Radius ($R$) Limit | Minimum Radius (R ): ≥ 1000 mm - 1500 mm (Dependent on total glass thickness) |
Maximum Dimensions | Up to 2440mm X 5000 mm (Jumbo architectural sizing) |
Quality Certifications | Stamped and fully compliant with CE (EN1279 / EN12150), SGCC (ANSI Z97.1), ISO9001 |
To streamline your procurement scheduling and prevent common structural field failures, Weihua strictly implements three proprietary manufacturing safeguards:
Coating Placement Optimization: Our engineers position the bend-temperable Low-E layer precisely on Surface #2 or Surface #3 inside the cavity. This protects the thin silver coating from oxidation while intercepting maximum infrared radiation before it penetrates the building interior.
Thermal & Wind-Stress Mitigation: Curved insulated units undergo complex internal gas volume changes due to environmental temperature swings, which can cause "pillowing" (bulging) or pane-touching. Weihua utilizes specialized structural mechanics software to calculate the optimal spacer thickness and glass thickness ratio based on your regional wind load and climate history.
Arc Deviation Control: A mismatched arc between the two curved glass sheets creates permanent internal stress on the spacer, leading to premature perimeter seal failure, gas escape, and internal fogging. Weihua controls radius conformity within a strict tight tolerance, eliminating stress buildup and guaranteeing a crystal-clear, moisture-free service life for decades.
Zero-Failure Structural Layout Matching: Our technical engineering division translates your complex 3D Rhino models or structural facade CAD drawings into precise bending matrix coordinates. This guarantees that the inner and outer glass curvatures are flawlessly synchronized, preventing structural stress buildup and ensuring rapid, drop-in alignment with your exterior aluminum mullion systems.
Advanced Coated Glass Thermal Control: Bending Low-E glass requires specialized, temperable silver layers and micro-adjusted furnace temperatures to prevent coating oxidation or cracking along deep curves. Weihua’s cleanroom processing safeguards the thin-film matrix, providing identical Shading Coefficients (SHGC) and U-values across both your flat and curved facade elevations.
Zero-Fogging Double-Seal Guarantee: Recognizing that internal condensation or gas leaks lead to catastrophic project liabilities, Weihua enforces strict robotic dual-edge sealing. By applying primary non-reactive PIB bounds followed by heavy-duty structural silicone, we isolate the internal molecular sieves from exterior humidity, ensuring a clear, fog-free lifespan.
Engineered Timber Crating for Heavy IGUs: Curved insulated glass packages are bulky, asymmetric, and uniquely susceptible to dynamic load shifts during sea transit. We design and manufacture heavy-duty, reinforced steel-banded L-frame timber crates outfitted with multi-layered shock-absorbing foam blocks, ensuring zero movement across global maritime freight routes.
