Hemisphere Embossed Aluminum Coil

2025-11-19

Hemisphere embossed aluminum coil is an aluminum coil with a hemispherical raised pattern on its surface. Due to its unique pattern and good performance, it has been widely used in many fields. Hemisphere embossing aluminum coil also known as hemispherical patterned aluminum coil, pearl-patterned aluminum coil, its surface features numerous small, hemispherical or pearl-like raised bumps.

Common materials and specifications of hemisphere embossed aluminum coil:
Commonly used materials include 1060, 1050, 3003, and 5052. Thickness is generally between 0.2-1.0mm, with 0.4mm, 0.5mm, and 0.6mm being common. Width is typically ≤1000mm, and length can be customized according to customer requirements. It is available in sheet or coil form.
Processing technology: Typically, the master coil is processed through leveling, embossing, inspection, winding, and packaging. The embossing machine is made of high-strength forged steel, producing full and uniform embossed patterns.

Performance characteristics of hemisphere embossing aluminum coil:
Lightweight: Aluminum has a low density; pure aluminum has a density of 2.71kg/m³, only one-third the density of steel, making it easy to handle and install.
Corrosion resistance: The surface of the aluminum coil is covered with a dense and hard oxide film, which resists the corrosion of various substances. This corrosion resistance can be further enhanced through chemical treatment or anodizing.
Moderate strength: Through proper alloying and annealing, hemispherical embossed aluminum coils possess sufficient strength, with a tensile strength generally ranging from 65-95 MPa and an elongation greater than 22%, without brittleness, making them suitable for stamping.
High reflectivity: Industrial pure aluminum has a reflectivity of over 80% for infrared and visible light. The higher the aluminum content, the higher the reflectivity and the better the corrosion resistance.
Good thermal and electrical conductivity: Pure aluminum has an electrical conductivity equivalent to 62% of copper and a thermal conductivity equivalent to 60% of copper, while its density is only 30% of copper, resulting in excellent thermal and electrical conductivity.
Good ductility: Pure aluminum and wrought aluminum alloys have good ductility, allowing for stamping, stretching, deep drawing, and other pressure processing, enabling the production of various shapes and very thin products.
High recycling rate: Waste can be directly fed into the furnace. Recycling aluminum saves 95% of energy compared to smelting aluminum, making it highly valuable for recycling.

Applications of hemisphere embossed aluminum coil:
Automotive industry: A common material for engine compartment and exhaust pipe covers, it can also be used to produce stamped parts for automotive engine heat shields, automotive radiators, etc.
Insulation engineering: Can be used for pipe insulation, tank insulation, etc. Embossed aluminum coils reduce light pollution, and their good thermal conductivity helps dissipate heat.
Anti-slip applications: The small spherical patterns on the surface provide excellent anti-slip properties, suitable for applications requiring anti-slip properties such as truck beds, cold storage floors, workshop floors, and elevators.
Architectural decoration: Can be used for interior and exterior building decoration. Its beautiful appearance and unique patterns offer strong decorative appeal, while the hemispherical protrusions also provide cushioning and wear resistance.

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