Explore our industrial-grade, certified enameled wire portfolio designed for global distributors and manufacturing plants demanding zero-defect performance.
Understanding the physics, polymer chemistry, and mechanical properties of 3.55mm Peea-130 Polyetherimide Covered Enameled Aluminum Wire.
The 3.55mm Peea-130 Polyetherimide Covered Enameled Aluminum Wire represents a breakthrough in composite wire design. The core utilizes high-purity electrical EC-grade aluminum (minimum 99.7% purity) which delivers excellent conductivity with a weight savings of up to 60% compared to equivalent copper configurations. The insulating envelope consists of Polyetherimide (PEI) resin, a high-performance amorphous thermoplastic polymer containing ether links and imide groups.
PEI insulation provides superior mechanical toughness, high dielectric strength, exceptional resistance to chemicals, and a wide operating temperature envelope. The Peea-130 designation indicates an optimized Class 130 insulation class, meticulously engineered to withstand continuous operating temperatures while resisting thermal shock, degradation from solvent exposure, and mechanical stress during high-tension automatic coil winding procedures.
| Parameters | Value / Specifications |
|---|---|
| Conductor Diameter | 3.55mm (Nominal Tolerance ±0.03mm) |
| Insulation Type | Polyetherimide (PEI) Covered / Enameled |
| Thermal Class | Peea-130 (Class 130 Continuous Operating) |
| Conductor Material | 99.7% High Conductivity EC-Grade Aluminum |
| Tensile Strength | ≥ 85 MPa (Annealed State) |
| Breakdown Voltage | Customizable based on Grade 1, 2, or 3 thicknesses |
| Reference Standards | IEC 60317, NEMA MW 1000, GB/T 6109 |
How macroeconomic pressures, geopolitical restructuring, and copper-to-aluminum transitions shape the industrial supply chain.
Global procurement teams in Europe and North America are actively localizing and diversifying their supply networks to mitigate geopolitical tariffs and logistics bottlenecks. Industrial hubs in Central Europe and Latin America are showing an increased request for 3.55mm PEI-insulated aluminum conductors to support local manufacturing of municipal power grids and HVAC equipment.
Due to intense price volatility in the London Metal Exchange (LME) copper market, aluminum winding wires provide a highly stable cost structure. Transitioning to 3.55mm e-aluminum conductor geometries optimizes capital expenditure (CapEx) budgets by up to 45% while preserving thermal operating parameters under Class 130 specifications.
Under new EU Environmental, Social, and Governance (ESG) guidelines, factories must demonstrate carbon-footprint reduction. Sourcing aluminum wires contributes heavily toward life-cycle assessment (LCA) scores because aluminum processing utilizes advanced clean-energy smelters, and the weight reduction directly lowers emissions during logistics shipping cycles.
Suzhou Daiming Electrical Materials Co., Ltd., is a leading manufacturer of high-quality enameled wires, including enameled aluminum wires, enameled copper wires, and enameled copper-clad aluminum wires. Operating out of a state-of-the-art production complex, we prioritize customer needs as the core of our business strategy.
With strict quality control at every stage, from raw material inspection to final product testing, we uphold the highest industry standards, guaranteeing the durability and performance of our enameled wires. Our seasoned team of industry veterans ensures that we remain at the cutting edge of manufacturing technology.
Learn More About UsSuzhou Daiming develops engineered electrical conductors tailored to modern power standards.
Each roll of enameled wire has undergone rigorous process and quality inspection to ensure stable, uniform, and dense film adhesion without micro-porosity.
The enameled wire we produce has strong adhesion, scratch resistance, excellent dielectric strength, and optimal flexibility for tight nesting designs.
Not only standard specifications, but we offer custom solutions. From custom wire diameters to thermal modifications, our engineering team handles it all.
Engineered electromagnetic wires driving transitions in global energy, industrial automation, and transport systems.
Provides high-fill factor capability, enabling lighter frames and stable performance in step-down transformers and electric vehicle drive motors.
Maintains thermal protection in home appliance compressors, induction coils, and high-frequency switched-mode power supplies (SMPS).
Powers high-precision servo motors, relays, solenoid valves, and robotic arm joints that undergo dynamic mechanical movements.
Optimally designed for renewable energy systems, grid-level distribution transformers, and UPS emergency backup generators.
How next-generation motor systems, alternative raw materials, and smart manufacturing reshape the wire industry.
As the electric mobility market shifts from 400V systems to 800V architectures, corona discharge and partial discharge damage become severe threats. To combat this, our technological roadmap focuses on developing advanced composite coatings that integrate inorganic nano-fillers into the Polyetherimide (PEI) polymer matrix to enhance corona resistance.
Leveraging continuous optical sensor feedback on our 30+ production lines, we have introduced real-time laser concentricity tracking. This ensures the 3.55mm aluminum wire maintains a concentricity of over 95%, safeguarding the insulation film from localized dielectric failure under electrical surges.
Our commitment to a green future includes adopting zero-VOC solvents in our enameling operations and utilizing catalytic incinerator heat-recovery systems. The thermal energy captured from solvent evaporation is recycled back to preheat the baking ovens, reducing overall plant carbon output by 22%.
Ensuring cross-border compliance, strict certification mapping, and direct client support engineering.
We recognize that global OEMs in automotive, aerospace, and energy sectors require strict adherence to international quality protocols. Our manufacturing facilities operate under comprehensive management systems, with certifications mapping to:
Every single batch of 3.55mm Peea-130 Polyetherimide Covered Enameled Aluminum Wire is delivered with a complete Mill Test Certificate (MTC) outlining tensile characteristics, pinhole density tests, springback angle, and breakdown voltage values.
Operating a sprawling production site with 30 state-of-the-art production lines allows Suzhou Daiming to maintain large safety stocks of raw materials. This setup ensures a stable supply even during peak seasonal demand. We work closely with global ocean cargo shipping lines and express air freight to deliver custom reels safely, securely packaged in anti-moisture wooden crates to prevent oxidation during sea transport.
Addressing the core technical and procurement queries of professional design engineers and industrial buyers.
The main advantage is weight reduction and cost stability. Aluminum has approximately 30% the weight of copper for the same length. This is crucial for rotating machinery and transportation applications where reducing inertia improves efficiency. Additionally, aluminum offers a highly stable pricing structure compared to volatile copper markets.
Polyetherimide (PEI) is a high-performance polymer with excellent inherent flame resistance, thermal-oxidative stability, and mechanical strength. For Class 130 rating applications, the PEI coating ensures that the wire resists cracking under heavy vibration, thermal cycling, and exposure to industrial solvents or varnishes.
Yes. We manufacture enameled aluminum wire in multiple insulation thickness grades according to IEC, NEMA, and JIS standards. Grade 1 offers a thin build for high space-factor requirements, Grade 2 provides standard insulation balance, and Grade 3 delivers maximum dielectric breakdown resistance.
We employ continuous online high-voltage spark testing (pinhole detection) during the wire drawing and baking phases. If any microscopic break in the insulation coating is detected, the automated production line flags the spool, guaranteeing that only zero-defect wires are shipped to our clients.
Our wire is wound on standardized plastic or tapered spools (e.g., PT-25, PT-90, PT-200) depending on the wire diameter and weight requirements. These spools are packed in vacuum-sealed plastic bags, boxed, and loaded onto heavy-duty pallets with corner reinforcements and stretch wrapping to prevent shift damage during shipping.
Yes. We can formulate specialized color dyes within our polyetherimide and polyesterimide paint coatings, facilitating clear identification for automated assembly lines where multiple wind phases are routed simultaneously.
Stay informed about global copper market dynamics, new energy vehicle trends, and supply chain adjustments.
With the rapid development of new energy systems and high-end manufacturing in 2026, cost control and raw material stability have pushed aluminum conductors to the forefront of motor design.
Read ArticleFaced with operational challenges caused by LME copper price fluctuations, copper-clad aluminum enameled wire has become the preferred choice for industrial cost reduction without losing conductivity.
Read ArticleNew overseas shipment news: High-quality Continuously Transposed Conductors (CTC) have been exported to key electrical partners in Turkey, empowering Eurasian power grid upgrading efforts.
Read ArticleSelect from our complete factory series. All items are manufactured under ISO 9001 quality audits with worldwide shipping available.
