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Surpassing Traditional Standards

Changran Technology utilizes the world-leading Carbon Alloy Aluminum-Based patent technology. We exclusively supply next-generation Graphene-Aluminum Alloy rods. This innovative material perfectly balances conductivity, tensile strength, and corrosion resistance, offering a disruptive alternative to copper for new energy vehicles, high-efficiency motors, and aerospace applications.

Zhejiang Changran Technology Co., Ltd.
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1. Core Process Technology

Enhanced Coating Adhesion: By adopting a novel graphene-aluminum-based alloy conductor material, the bonding force between the coating and the wire core is significantly improved, greatly enhancing the adhesion between the coating and the conductor and increasing the cable's durability.

Graphene Dispersion Technology: Ultrasonic dispersion technology is used to disperse graphene, improving its dispersion effect. This technological innovation is crucial for the preparation of graphene-based aluminum alloy enameled wires, enhancing cable performance.

Composite Process of Alloy Materials: Through melt casting technology, a variety of functional metal materials are melted into graphene-aluminum based alloy materials to achieve different tensile properties, ductility properties and electrical conductivity properties.

2. Performance Comparison
Conductivity:  Mechanical Properties:  Density:
Copper's resistivity is about half that of aluminum, resulting in better conductivity for copper-based electromagnetic wires of the same specifications, reducing power loss during transmission. However, by increasing the diameter of the aluminum wire, the conductivity of aluminum-based electromagnetic wires can be improved to some extent, meeting the needs of some applications where conductivity requirements are not extremely high. Copper has a higher elongation and tensile strength than aluminum, making it less prone to breakage during processing and use. However, aluminum-based magnet wire manufacturers can use aluminum alloy conductors to increase tensile strength and improve manufacturing processes to reduce breakage rates. Aluminum has a specific gravity about one-third that of copper, giving aluminum-based magnet wire a significant weight advantage. For products requiring lightweight construction, such as some motors in home appliances and automobiles, using aluminum-based magnet wire can reduce product weight.

3. Cost Comparison
Raw Material Costs:  Production and Processing Costs:
Electrolytic copper is typically several times more expensive than aluminum, making aluminum-based enameling wire significantly cheaper. For enameling wire manufacturers, this reduces working capital tied up; for motor manufacturers, using aluminum wire motors also reduces capital tied up. Aluminum has relatively low hardness, so the energy consumption and equipment wear required during processing may be relatively small. However, the production process of aluminum-based electromagnetic wire is somewhat complex. For example, special treatment is required to prevent oxidation, which may increase costs when producing high-requirement products.
4. Application Areas Comparison
Aluminum-based Electromagnetic Wire: Copper-based Electromagnetic Wire: 
It is mainly used in electrical products that are cost-sensitive, have weight requirements, and have relatively low power and low energy consumption, such as household appliances such as air conditioner fan motors, microwave oven transformers, refrigerator compressors, and washing machine motors, as well as low-voltage or dry-type transformers and small industrial motors. It is mainly used in motors with high requirements for conductivity and mechanical properties and high power, such as ultra-high voltage transformers, rail transit traction transformers and motors, some high-performance motors in automobiles, and some high-performance household appliance motors such as vacuum cleaner motors and air conditioner compressor motors.
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