Custom Flexible Copper Strand Connectors - High Purity & Durable Solutions from China Suppliers and Factory

Introducing our premium flexible copper stranded connection, a top-choice component for various electrical applications. Manufactured in China, our connections are crafted from high-purity copper wires (T1/T2 red copper, ≥99.9% purity) that are precision-twisted into durable circular or rectangular shapes. As a leading supplier, we ensure that our products deliver exceptional flexibility, bend resistance, and reliable conductivity, making them perfect for dynamic, confined, or vibration-prone environments. Our factory guarantees that each connection can be precisely cut and welded to terminals, busbars, or other conductive components, providing secure, low-resistance, and long-lasting connections while maintaining optimal flexibility and mechanical strength. Trust our solutions for all your electrical needs

Product Description

Structural Composition
Conductor High-purity electrolytic copper wire (T1/T2 red copper, purity ≥99.9%).
Structure Precision-twisted multi-strand fine copper wires (0.05–0.3 mm), forming circular, rectangular, or custom cross-sections. Compact, flexible, and highly tensile.
Surface Treatment Bare, tin-plated, or silver-plated for enhanced oxidation resistance, corrosion resistance, and weldability.
Protection PVC/silicone insulation or metal shielding for insulation, EMI resistance, or high-temp performance.
Applications
Power systems, rail traction, automation/robotics, welding/electrolysis equipment, marine engineering, new energy (PV/wind), and building/construction (slip rings, lighting).
Key Features
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High Flexibility Twisted structure enables tight bending and vibration resistance.
Excellent Conductivity Low resistance for stable high-current/signaling.
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Mechanical Strength Withstands tension, compression, and fatigue.
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Fatigue Resistance Reliable under repeated motion.
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Customizable Adjustable cross-section, length, shape, and surface finish.
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Protective Options Insulation, shielding, and high-temp materials available.
Product Specifications
Nominal CSA
(mm²)
Calculated Cross-sectional Area
(mm²)
Structure Nominal Outer Diameter
(mm)
Total Number of Wires Strands × Wires / Nominal Dia.
0.650.6593366*56/0.051.2
0.750.7653906*65/0.051.4
1.000.9895047*72/0.051.7
1.501.4847567*108/0.052.1
2.502.30711767*3*56/0.052.3
4.003.956201612*3*56/0.052.8
6.006.264319219*3*56/0.053.5
10.0010.067513019*3*90/0.054.6
16.0016.014204015*136/0.16.2
25.0025.05731927*3*152/0.18.0
50.0049.013277515*5*37/0.1512.0
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Cross-sectional area and monofilament diameter are tailored to specific project needs (0.05 mm – 0.15 mm). Length and shape can be precision-manufactured according to technical drawings or specific requirements.
❓ Frequently Asked Questions
Q1
What copper purity is used in your flexible copper braided wire?
Our wires use high-purity electrolytic copper (T1/T2 grade) with a purity of ≥99.9%. This ensures maximum conductivity and minimal energy loss.
Q2
What surface treatment options are available?
We provide bare copper, tin-plated copper (for corrosion resistance), and silver-plated copper (for superior high-frequency performance).
Q3
Can the dimensions and shape be customized?
Yes. We offer full customization for CSA, wire diameter, overall shape (circular or rectangular), and custom lengths based on your technical specifications.
Q4
Is insulation or shielding available?
Yes. Optional coverings include PVC or silicone insulation and metal shielding for EMI protection, depending on your application environment.
Q5
What is the range of cross-sectional area (CSA) you offer?
Our standard range covers 0.65 mm² up to 50.00 mm², with custom production available for specialized size requirements.
Q6
What industries commonly use this type of wire?
It is widely used in power distribution, industrial robotics, electric vehicles, marine engineering, and renewable energy systems like solar and wind power.

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