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Customized Thermal Break Aluminum Window Profiles from China Suppliers - High-Quality Factory Extrusions

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Alloy: Our products are crafted from high-strength 6063-T5 aluminum alloy (or 6061-T6 upon request), a heat-treatable material known for its excellent strength-to-weight ratio, making it a top choice among China’s leading suppliers.

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Extrusion Process: Manufactured using advanced horizontal extrusion presses and precise die technology, our factory ensures tight dimensional tolerances (within ±0.1mm), consistent wall thickness, and smooth, defect-free surfaces that meet the highest industry standards.

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Performance: Our windows achieve a remarkable thermal transmission coefficient (Uf) as low as 1.2 W/(m²·K), effectively minimizing thermal conductivity and condensation while significantly enhancing energy ratings, which is a key aspect for both consumers and China’s suppliers.

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Structural & Functional Design: Featuring secondary chambers, our designs deliver superior structural rigidity, efficient drainage/ventilation pathways, and secure placement of gaskets and glazing beads, ensuring reliability under various conditions.

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Engineered to withstand high wind loads and resist water penetration and air infiltration, our products readily meet major international certification standards (e.g., AAMA, CWCT, EN), solidifying our reputation as a trusted manufacturer and supplier in China.

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    Specifications

    Item Premium thermal break aluminum window profile
    Brand Aolijie
    Material 6063 \ 6061 \ 6060
    Temper T5/T6
    Thickness 0.8–5.0mm
    Length 6m (customizable)
    Surface Treatment Mill finish \ Power coating \ Anodizing \ Electrophoresis \ Fluorocarbon coating \ Wood grain, etc.
    Color According to customer requirements (customizable)
    Service Support Drilling \ Milling \ Cutting \ Welding \ Bending \ Assembling \ CNC
    Packing Details Inside: packed with protective film to protect each piece
    Outside: wrap to be bundles by shrink plastic bag
    Delivery Time Die developing and sample testing: 7–10 days
    Mass production completed: 15–30 days
    MOQ 500kg
    Thermal Break Aluminum Window Profile 1
    Thermal Break Aluminum Window Profile 2

    Surface Treatment

    Surface Treatment Options for Aluminum Window Profile

    Product Application

    Premium Inward Casement Window Profile Sample Durable Aluminum Alloy 1
    Premium Inward Casement Window Profile Sample Durable Aluminum Alloy 2
    Premium Inward Casement Window Profile Sample Durable Aluminum Alloy 3
    Premium Inward Casement Window Profile Sample Durable Aluminum Alloy 4
    🌡️ Thermal Break Technology

    The key innovation lies in the thermal break — a polyamide barrier inserted between the inner and outer aluminum frames. This design effectively interrupts heat transfer, dramatically improving thermal insulation. It reduces energy costs by keeping interiors cooler in summer and warmer in winter, and significantly minimizes condensation.

    🪟 Casement Operation

    The side-hinged opening mechanism provides a perfect seal. When closed, the window presses tightly against the frame, offering excellent air and water tightness for superior weatherproofing and noise reduction. This full, unobstructed opening also allows for optimal ventilation and ease of cleaning.

    Customized Thermal Break Aluminum Window Profile Detail
    ? Frequently Asked Questions
    Q What is a thermal break in aluminum window profiles, and why does it matter?
    A thermal break is a polyamide (PA66) barrier inserted between the inner and outer aluminum sections of a window frame. It interrupts the conduction of heat or cold through the metal, significantly improving the window's insulation performance. This reduces heating and cooling costs, prevents condensation, and enhances overall comfort in the building.
    Q What aluminum alloys are used, and what are their advantages?
    The profiles are manufactured from 6063, 6061, and 6060 aluminum alloys in T5/T6 temper. These alloys offer an excellent balance of strength, corrosion resistance, and workability. T5/T6 temper treatments further enhance hardness and structural integrity, making them ideal for long-lasting window and door applications.
    Q What surface treatment options are available for the aluminum profiles?
    A wide range of surface treatments is available, including mill finish, powder coating, anodizing, electrophoresis, fluorocarbon (PVDF) coating, and wood grain finish. Colors can be fully customized to match your architectural or design requirements.
    Q Can the profiles be customized in terms of dimensions and processing?
    Yes. Standard lengths are 6 meters, but custom lengths are available. Thickness ranges from 0.8mm to 5.0mm. In addition, a full range of processing services is offered, including drilling, milling, cutting, welding, bending, assembling, and CNC machining, to meet specific project requirements.
    Q What is the minimum order quantity (MOQ) and what are the lead times?
    The minimum order quantity is 500kg. For new die development and sample testing, the lead time is 7–10 days. Mass production orders are typically completed within 15–30 days, depending on order volume and complexity.
    Q How are the aluminum profiles packaged to ensure safe delivery?
    Each profile is individually wrapped with a protective film to prevent surface scratches during transit. Profiles are then bundled together and wrapped in shrink plastic bags for secure, damage-free delivery. This dual-layer packaging ensures the profiles arrive in perfect condition.
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