Aluzinc Sandwich Panel

The Aluzinc Sandwich Panel combines an insulating mineral wool core with aluminum-zinc alloy coated steel facings for industrial and commercial construction. The core, made from processed basalt rock fibers with density ranging from 100 to 140 kg/m³, bonds to corrosion-resistant Aluzinc metal facings through high-strength adhesives.

The panel delivers fireproof classification with its non-combustible core, acoustic insulation for noise reduction, and thermal conductivity of approximately 0.043 W/mK for energy efficiency. Available thicknesses range from 50 mm to 200 mm, with standard widths of 950 mm, 1000 mm, and 1150 mm, and customizable lengths up to 12,000 mm. Steel facing thickness spans 0.4 mm to 0.8 mm.

The Aluzinc coating and stable rock wool core provide long-lasting durability unaffected by temperature or humidity changes, ensuring consistent thermal performance and reduced energy consumption. Fire resistance and moisture resistance enhance suitability for demanding environments including industrial buildings, warehouses, logistics centers, and agricultural facilities.

Manufacturing involves automated production lines where roll-formed metal sheets bond with precisely cut core material, with rock wool fibers oriented perpendicular to metal surfaces for optimized performance. Installation requires proper fastening to building structures with sealed joints to maintain thermal and acoustic integrity.

Aluzinc Sandwich Panel Supplier for Superior Building Solutions

RaxPanel was established in 2002 and is a direct manufacturer based in Hebei, China, specializing in custom composite panel solutions. Our Aluzinc Sandwich Panel, composed of high-quality aluzinc-coated steel sheets and a durable core, is engineered for superior fireproof performance and excellent thermal insulation. Thanks to its fast and flexible installation system, the construction period can be shortened by more than 40%, making it ideal for prefabricated buildings such as:

  • Industrial warehouses
  • Commercial facilities
  • Cleanroom partitions

With 20+ years of experience and a production capacity of 1500+ m² daily, we serve clients in 30+ countries, ensuring product stability through rigorous in-house R&D and high-standard manufacturing processes. All raw materials and production adhere to international quality standards, guaranteeing a product life time of over 25 years. You can confidently purchase our products, knowing they combine innovation, reliability, and cost efficiency.

Parameter Specification
Core Material Mineral Wool (Basalt Rock)
Core Density 100 – 140 kg/m³
Panel Thickness 50, 75, 100, 150, 200 mm
Standard Width 950, 1000, 1150 mm
Panel Length Up to 12,000 mm (customizable)
Facing Material Aluzinc Coated Steel Sheet
Steel Thickness 0.4 – 0.8 mm
Thermal Conductivity (λ) 0.043 W/mK
Fire Resistance Classification A1 (Non-combustible)
Acoustic Insulation ~30 dB
Areal Weight 15.50 – 36.50 kg/m² (varies by thickness)
Application External Walls, Internal Partitions, Roofing Systems
Installation Vertical or Horizontal on Single/Multi-Span Structures
Moisture Resistance Non-absorbent, resistant to humidity

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    Frequently Asked Questions

    What is an Aluzinc Sandwich Panel?

    An Aluzinc Sandwich Panel is a building material composed of two layers of high-quality colored coated steel plates, with a core insulation material. The outer layers are typically made from galvanized aluminum zinc color steel sheet, offering durability and corrosion resistance. These panels are designed for use in external walls, partition walls, and roofs, providing excellent thermal insulation, fireproofing, and sound insulation properties.

    What are the key advantages of using Aluzinc Sandwich Panels?

    Aluzinc Sandwich Panels offer cost savings and durability due to their stable structure unaffected by temperature or humidity changes. They provide superior fire safety with non-combustible properties, excellent sound insulation reducing external noise, and enable fast construction, shortening project timelines by over 40%. Additionally, they have a long life span of up to 25 years, thanks to automated production and quality materials.

    What thicknesses and dimensions are available for Aluzinc Sandwich Panels?

    Aluzinc Sandwich Panels are available in thicknesses of 50mm, 75mm, 100mm, 125mm, and 150mm. The effective width is typically 1000mm, with options for 950mm or 1150mm. Length is customizable, though usually limited to less than 12000mm for transportation. Steel thickness options range from 0.3mm to 0.8mm.

    How do Aluzinc Sandwich Panels perform in terms of fire resistance?

    Aluzinc Sandwich Panels are rated non-combustible and provide excellent fire resistance. The core material, often rock wool, has fibers resistant to high temperatures, limiting fire spread. They meet fire resistance classifications such as EI 90 / E 120 and E 120 / EW 60, enhancing building safety and compliance with fire protection standards.

    What applications are Aluzinc Sandwich Panels suitable for?

    These panels are ideal for industrial buildings, warehouses, logistic centers, commercial offices, food industry facilities, agricultural objects, and sports halls. They can be installed vertically or horizontally on single- or multi-span structures for external walls, internal division walls, roofs, and ceilings, offering both functional performance and an aesthetic finish.

    How is the installation process for Aluzinc Sandwich Panels?

    Installation is fast and flexible, with panels produced in accordance with building layout drawings. They feature hidden joints for a seamless look and are fixed using screws with neoprene gaskets to prevent leaks. The construction period can be reduced by more than 40%, making them ideal for prefabricated and rapid-build projects.

    What maintenance and storage guidelines should be followed for these panels?

    For long-term storage, panels should be kept indoors or, if outdoors, stacked clear of the ground and covered with a weather-proof sheet. They require minimal maintenance but should be inspected regularly for damage. Cleaning can be done with mild soap and water; avoid harsh chemicals to preserve the surface coating.

    How can you ensure a stable, long-term supply for our large-scale manufacturing operations?

    As a direct manufacturer with over 20 years of experience, we maintain a daily output of 1500+ m² from our production base in Hebei, China. Our in-house R&D and automated production processes ensure consistent quality and reliable supply chain stability, serving clients globally. We prioritize long-term partnerships with OEMs, offering bulk pricing and deep customization to meet your production schedules and innovation goals.

    What level of customization and technical support do you provide for architects and engineers specifying materials?

    We specialize in custom composite panel solutions, providing detailed technical data sheets (TDS), CAD models, and performance test reports to support specifiers. Our in-house design and production capabilities allow for tailored solutions in thickness, steel type, and finish, ensuring compliance with regulatory standards and design requirements. We collaborate closely with technical teams to deliver materials that meet precise project specifications.

    Do you offer support for contractors and fabricators needing fast, reliable delivery and installation guidance?

    We focus on manufacturing and supply only, ensuring high-quality, durable panels with clear technical and installation guides. Our efficient production and logistics processes enable on-time delivery, helping contractors and fabricators reduce project timelines. While we do not provide installation services, our products are designed for ease of assembly, with resources available to support your team in achieving efficient, code-compliant results.

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