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Strict quality control
Quality control is integrated into every stage of production, from raw material inspection to finished product delivery. Advanced testing equipment and standardized management systems help ensure stable performance and consistent product quality.
Advanced production capability
Our factory is equipped with precision extrusion presses, automatic silk wrapping machines, enameling machines, and professional paper wrapping equipment. This automated production capacity allows us to handle different specifications efficiently while maintaining reliable consistency.
Clear communication & reliable delivery
We provide transparent quotations with clear cost structures and no hidden charges. Production schedules are planned according to order quantity and technical requirements, helping customers manage purchasing and project timelines more effectively.
Customer-oriented technical support
We respond quickly to customer concerns regarding processing precision, material performance, environmental compliance, and delivery requirements. Technical documents, testing reports, and practical solutions for customized or urgent orders are provided to support confident purchasing decisions.
High dielectric strength
Paper-covered wire is renowned for its exceptional dielectric strength—the ability to resist electrical breakdown under high voltage stress. This property allows the insulation to effectively isolate conductors even in high-potential environments, minimizing the risk of arcing or short circuits.
Lightweight and flexible design
One of the standout physical characteristics of paper-covered wire is its lightweight construction. The thin paper insulation adds minimal bulk, preserving the wire’s flexibility without compromising mechanical strength.
Superior heat dissipation
Paper insulation exhibits excellent thermal conductivity compared to denser materials like rubber or PVC. It allows heat generated during electrical operation to dissipate more efficiently, preventing localized hot spots that can degrade insulation over time.
Moisture and environmental resistance
While raw paper is hygroscopic, paper-covered wires are typically treated with moisture-resistant compounds such as insulating varnishes, waxes, or synthetic oils. These treatments significantly reduce water absorption and protect against humidity, condensation, and chemical exposure.
Cost-effective insulation solution
Compared to advanced synthetic insulators like Teflon, silicone rubber, or polyimide films, paper-covered wire offers a significantly lower cost per unit while still delivering high performance. The raw materials—primarily cellulose fiber—are abundant and inexpensive, and the manufacturing process is well-established and scalable.
|
Parameter |
Details |
|
Material |
Copper (Round Wire) |
|
Insulation Structure |
Multi-layer insulation paper + Transformer oil compatibility |
|
Core Advantages |
High-purity copper core for energy saving, voltage resistance, flexible temperature rating, easy processing, low cost, corrosion and moisture resistance, long service life, economical and environmentally friendly |
|
Applicable Scenarios |
Oil-immersed transformers, reactors, high-voltage motors, wind turbines, current transformers, and other power equipment, suitable for various operating conditions and winding requirements |
Transformers and coils
Paper covered wires are used extensively in the construction of transformers and coils. These wires are wound around the magnetic core to create a coil that is used to convert voltage and current to different levels. The paper insulation helps to insulate the coil from the core, preventing electrical arcing and improving the efficiency of the transformer.
Electrical motors
PCW is also used in the construction of electrical motors. These wires are wound around the motor's stator, providing a protective insulation layer that helps to reduce the risk of electrical shorts and other electrical problems.
Electrical generators
Similar to electrical motors, paper covered wires are used in the construction of electrical generators. These wires are wound around the rotor and stator, providing insulation and helping to improve the efficiency of the generator.
Audio cables
Paper covered wires are also used in the construction of audio cables. These wires provide excellent insulation that helps to reduce interference and improve sound quality. The paper insulation also helps to prevent the cable from becoming brittle and breaking over time.
Lighting
PCW is also used in the construction of lighting fixtures. These wires are used to connect the light bulb to the electrical source, providing a durable and flexible connection that can withstand the high temperatures and vibrations associated with lighting.
Automotive industry
Paper covered wires are also used in the automotive industry. These wires are used to connect the battery, starter, and other electrical components in a vehicle. The paper insulation helps to protect the wires from the harsh conditions of the engine compartment, preventing damage and reducing the risk of electrical shorts.
As one of the leading paper-covered wire manufacturers and suppliers in China, we also support customized service. Please feel free to buy bulk paper-covered wire made in China here and get quotation from our factory. Quality products and low price are available.
paper covered wire, Paper Covered Round Copper Magnet Wire, Paper Covered Round Aluminum Magnet Wire(0/10)
