Introducing our premium 99.99% Pure Copper Flat Bar, engineered for high-performance applications where exceptional electrical conductivity, thermal management, and reliability are non-negotiable. Designated as Grade T1, this non-alloy copper bar boasts a minimum copper content (Cu) of 99.99%, ensuring superior performance for critical infrastructure like power stations and demanding sectors like aerospace transportation.
Manufactured with precision in Jiangsu, China, under the trusted Sylaith brand, this square-shaped copper bar is available in a versatile range of sizes, with thickness from 1mm to 20mm, breadth from 10mm to 300mm, and lengths customizable from 1000mm to 6000mm. The standard specification of 85mm (breadth) x 10mm (thickness) x 5000mm (length) is ideal for busbar systems in power distribution. With a polished yellow-red surface and full support for processing services including bending, welding, cutting, and punching, this bar offers both outstanding material quality and fabrication flexibility. We ensure fast delivery (8-14 days), seaworthy packing, and a customer-friendly MOQ of just 1 Kg.

Key Specifications Table

This ultra-pure copper bar is the material of choice for applications demanding peak efficiency and durability:

• Power Generation & Distribution: Ideal for busbars, grounding bars, switchgear components, and transformer connections within power stations and electrical substations due to its minimal electrical resistance.

• Aerospace & Transportation: Used in critical aerospace wiring, grounding systems, and components for aircraft and high-speed rail where weight-to-conductivity ratio and reliability are vital.

• High-Frequency & Precision Equipment: Serves in RF components, waveguides, and other electronics where high purity ensures optimal signal integrity.

• Renewable Energy Systems: Essential for efficient power conduction in solar farm junction boxes and wind turbine electrical systems.

• General Heavy Electrical Engineering: Perfect for fabricating high-current conductors, heat sinks, and custom electrical contacts.

The primary function of this pure copper bar is to provide an extremely low-resistance path for electrical current (electrons). The 99.99% purity is critical because impurities significantly increase electrical resistivity. In power stations, this minimizes energy loss as heat (I²R loss), improving overall system efficiency and stability. Its excellent thermal conductivity also helps dissipate heat generated by high currents. In aerospace, these properties ensure reliable operation of electrical systems under varying pressures and temperatures, while its malleability allows for precise forming into complex components without cracking.