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Aluminum Silicon Powder for Brazing Paste - China Suppliers and Factory for High-Performance Alloys

TJWX, a leading factory in China, boasts over a decade of expertise in developing aluminum-based alloy powders. Our silvery-gray atomized alloy powders are crafted through cutting-edge melting processes in high-temperature, high-pressure furnaces, yielding highly active materials with an extensive surface area. As reliable suppliers, we offer diverse atomization equipment configurations suitable for both R&D and mass production, ensuring our customers benefit from flexible manufacturing solutions. With the capability to reach an impressive annual output of 4,000 metric tons for bulk orders, we are dedicated to meeting the demands of our clients. For detailed technical specifications, please contact info@hnjwx.com

    Manufactured through sealed atomization, classification, blending, and sieving processes. Rigorous quality control ensures uniform particle distribution and chemical consistency. The powder demonstrates low mass density, efficient heat transfer capabilities, outstanding mechanical strength, and durable wear resistance.

    Product Specifications & Series

    Product Series
    4xxx Series 7xxx Series
    Product Particle Size
    0 ~ 10 µm 100 mesh 70 ~ 80 µm

    Physical Properties

    • Appearance: Spherical
    • Melting Point: Alloy/powder size dependent
    • Density: 2.699 g/cm³ (varies by alloy/particle size)
    • Odor: None
    Incompatibilities: Hydrous/acidic/alkaline/halogen environments. Prevent airborne dust dispersion and static accumulation.

    Quality Assurance & Compliance

    Compliance Standards
    • Quality System: GB/T19001:2016 / ISO9001:2015
    • Environment: GB/T 24001:2016 / ISO14001:2015
    Quality Assurance Testing
    • • ICP analysis verifies aluminum ingot purity
    • • Laser diffraction determines particle dimensions
    • • Moisture analyzer detects H₂O content
    • • Oxygen tester measures O₂ concentration

    Application & Industry Fields

    Core Application

    Brazing and soldering paste

    Applicable Fields
    Automobile
    Aircraft
    Mechanical Engineering
    Electrical Parts

    Packaging & Supply Chain Logistics

    • Packaging: 25Kg/Iron drum, 200Kg/Iron drum with pallet
    • Volume: 16 tons, 18 tons (Per 20FCL)
    • Transportation: By road, by air or by sea
    • Capacity: 1,000 tons annually
    • Delivery Time: DG inspection, About 2~3 months
    Contact US

    If you are interested in any of these products, please feel free to let us know by emailing us at info@hnjwx.com. We will be happy to provide you with more detailed information upon receipt of your detailed specifications.

    We have a dedicated team of R&D engineers who can meet all your needs. We look forward to receiving your inquiry soon and hope to work with you in the future. Welcome to visit our website for more details.

    Frequently Asked Questions (FAQ)

    Q: What product series and particle sizes are available?

    We supply 4xxx and 7xxx product series with particle sizes available in 0~10µm, 100mesh, and 70~80µm.

    Q: What are the primary applications and applicable industries?

    The powder is primarily used in brazing and soldering paste, serving industries such as automobile, aircraft, mechanical engineering, and electrical parts.

    Q: How is product quality verified and controlled?

    Quality is verified through ICP analysis (aluminum ingot purity), laser diffraction (particle dimensions), moisture analyzers (H₂O content), and oxygen testers (O₂ concentration), under GB/T19001:2016 / ISO9001:2015 and GB/T 24001:2016 / ISO14001:2015 standards.

    Q: What are the packaging options and shipping capacity?

    Packaging is available in 25Kg/Iron drums and 200Kg/Iron drums with pallets. Shipping volume is 16 to 18 tons per 20FCL, with transport options by road, air, or sea.

    Q: What is the annual production capacity and delivery lead time?

    We maintain an annual capacity of 1,000 tons. Delivery time is approximately 2 to 3 months including DG inspection.

    Q: What storage conditions and handling precautions are required?

    Avoid contact with hydrous, acidic, alkaline, and halogen environments. In handling, prevent airborne dust dispersion and static accumulation.

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