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As an ISO-certified manufacturer since 1970, Shandong Huilong Electrical Material delivers premium self-bonding enamelled aluminum wire engineered for space-constrained transformer applications. Our 10,000+ sqm facility combines five decades of wire production expertise with strict quality control, serving global markets across six continents.
This specialized wire eliminates traditional impregnation processes through its innovative self-bonding technology. When heated during coil winding, the adhesive coating creates robust inter-turn bonds that:
- ✓ Reduce coil size by up to 35% versus conventional wires
- ✓ Improve thermal conductivity by 15-20%
- ✓ Eliminate varnish treatment steps in production
- ✓ Enhance mechanical stability in high-vibration environments
Technical Specifications:
| Parameter | Standard Range | Custom Options |
|---|---|---|
| Tensile Strength | 120-150 MPa | Up to 180 MPa |
| Elongation | ≥15% | ≥25% |
| Dielectric Strength | ≥5kV | ≥8kV |
| Bonding Temperature | 150-180°C | Adjustable formulation |
The triple-layered enamel insulation provides exceptional:
- Corrosion resistance
- Chemical resistance
- Abrasion resistance
- Thermal shock resistance
- Partial discharge resistance
- HV endurance
With over $100M annual exports through Qingdao/Shanghai ports, our OHSAS18001-certified production processes ensure batch-to-batch consistency for OEMs in North America, Europe and Asia. The wire's 15% weight reduction versus copper alternatives lowers shipping costs while maintaining 98% conductivity efficiency.
FAQs:
Q: How does self-bonding differ from traditional enamelled wire?
A: Our proprietary coating activates at winding temperatures, fusing adjacent turns without additional adhesives - reducing production steps and coil size.
Q: What's the shelf life under proper storage?
A: When stored below 35°C/50% RH in original packaging, performance remains stable for 24 months.
Q: Can you supply RoHS-compliant versions?
A: Yes, we offer halogen-free formulations meeting international environmental standards.
Q: What minimum order quantities apply?
A: Standard MOQ is 500kg, with smaller trial batches available for qualification.
Q: How does aluminum compare to copper in transformer efficiency?
A: While conductivity differs, our optimized aluminum formulations deliver comparable performance at 30% lower material cost in compact designs.
Q: Can you provide custom packaging?
A: We offer spools, reels or boxed coils tailored to automated winding equipment requirements.
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