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Which Aluminum Plate for Circuit Board Substrate is Best?

2025-07-14

PCB, also known as printed circuit board, is an indispensable component in electronic products such as household appliances, radios, mobile phones, computers, and digital devices. Among various types of PCBs, aluminum-clad boards are highly favored due to their unique performance advantages. A PCB aluminum substrate consists of a circuit layer, a thermally conductive insulating layer, and a metal base layer. The metal base layer, typically made of aluminum plate for circuit board substrate, serves as a supporting structure, requiring high thermal conductivity and suitability for conventional machining processes like drilling, punching, and cutting. Commonly used materials include 1xxx series pure aluminum plates.

1060 Aluminum Plate: High Purity and Excellent Workability

With an aluminum content of 99.6%, the 1060 aluminum plate offers high elongation, moderate tensile strength, excellent conductivity, and superior formability, making it ideal for conventional processing such as stamping and stretching. Mingtai Aluminum’s 1060 plates undergo special stress-relief treatment to minimize deformation during cutting. Available in thicknesses ranging from 0.1mm to 500mm and widths from 100mm to 2650mm (in sheet or coil form), Mingtai provides stable long-term supply to global clients, making it a top choice for PCB base materials.

1100 Aluminum Plate: Perfect Balance of Corrosion Resistance and Thermal Conductivity

The 1100 aluminum plate contains approximately 99.00% aluminum, offering exceptional corrosion resistance, electrical conductivity, and thermal conductivity. Its low density and high plasticity allow it to be processed into various shapes. Mingtai’s 1100 plates, with widths up to 2650mm and thicknesses of 500mm, also feature stress-relief treatment for distortion-free cutting. As one of the few manufacturers capable of producing ultra-wide and ultra-thick plates, Mingtai provides robust support for large-scale PCB production.

Unique Advantages of Aluminum Plates in PCBs

Aluminum plates, as PCB substrates, are highly valued not only for their physical properties but also for their superior heat dissipation. During operation, PCBs generate significant heat, which can compromise device stability and lifespan if not dissipated promptly. The high thermal conductivity of aluminum ensures efficient heat transfer, maintaining optimal circuit performance.

Mingtai Aluminum: Your Trusted Supplier for PCB Base Materials

With over 20 years of expertise in aluminum sheet, strip, and foil processing, Mingtai Aluminum delivers mature technology, stable performance, and competitive pricing for PCB substrates like 1060 and 1100 plates. Offering end-to-end, integrated services, Mingtai provides 24/7 online quotes—simply share your product model, specifications, temper, and quantity for a swift response.

For details on 1-8 series aluminum products and pricing, contact: +8617737126910. Choose Mingtai Aluminum for efficient and reliable aluminum plate for circuit board substrate solutions!

Aluminum plate for circuit board substrate

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