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1. Product Overview

Copper-aluminum composite materials are used. The main material specifications include copper-aluminum ratios of 40/60, 50/50, and 60/40, as well as other customized specifications. The product thickness is 0.05-1mm and the width is 1-10 mm, combining light weight and high conductivity.

2. Material specifications

Main copper-aluminum ratio: 40/60, 50/50, 60/40

Thickness tolerance: ±0.003 mm

Width tolerance: ±0.015 mm

Structural form: cold rolled composite, support R angle customization

3. Performance indicators

Electrical conductivity: ≥65 %IACS

Tensile strength: ≥120 MPa

Elongation: ≥10 %

Surface roughness: Ra ≤0.4 μm

Oxidation stability: ≥ 100 h at 100 °C without discoloration

4. Typical Applications

PCB shielding interconnect

Lightweight energy busbar

High frequency signal cable

Flexible electronic and medical component connectors

5. Packaging information

Plastic or steel shaft packaging, 10KG-200KG/roll, with anti-oxidation packaging, suitable for feeding automatic welding equipment.