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Help CenterHigh-Temperature Polyamide-Imide Enameled Copper Wire (QXY/220)
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As a leading manufacturer since 1970, Shandong Huilong Electrical Material leverages 50+ years of expertise to produce High-Temperature Polyamide-Imide Enameled Copper Wire (QXY/220). Our 10,000-30,000 sqm facility combines advanced technology with stringent ISO 9001, ISO 14000, and TS 16949 certified processes to deliver wires engineered for extreme environments. With over $100 million in annual exports to 5 continents, we guarantee reliability that meets global industrial demands.
Core Technical Advantages:
- Unmatched Thermal Stability: Maintains structural integrity at continuous 220°C operation (Class C+), outperforming standard polyester wires by 70°C.
- Superior Dielectric Strength: Polyamide-imide resin provides >100V/μm breakdown voltage, preventing short circuits in high-voltage applications.
- Chemical Resistance: Withstands aggressive coolants, refrigerants, and transformer oils per ASTM D2307 standards.
- Mechanical Durability: Elastic elongation >30% and scratch resistance 3x higher than polyurethane alternatives.
Key Specifications:
| Parameter | Value Range | Test Standard |
|---|---|---|
| Conductor Diameter | 0.05mm - 5.0mm | IEC 60851-1 |
| Insulation Thickness | Grade 1/2/3 (Custom) | IEC 60317-0-1 |
| Heat Shock | No cracking at 3x diameter (250°C) | IEC 60851-3 |
| Cut-Through | ≥250°C | IEC 60851-6 |
This wire enables 25% smaller motor windings due to reduced insulation thickness versus conventional materials. Its hydrolysis resistance extends service life in humid environments by 2-3x, significantly lowering maintenance costs for EV traction motors, aerospace actuators, and oil & gas submersible equipment.
Trusted by OEMs across North America, Europe, and Asia-Pacific, our manufacturing rigor ensures batch-to-batch consistency. With dedicated R&D teams and flexible logistics via Qingdao/Shanghai/Ningbo ports, we support custom diameters, spooling configurations, and documentation for critical applications. Contact us today for samples validated in our in-house IEC 17025 accredited lab.
FAQ:
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Q: What is the maximum overload temperature?
A: Short-term overload capability reaches 240°C for up to 100 hours without degradation. -
Q: Is it compatible with automatic winding machines?
A: Yes, our proprietary coating ensures -
Q: Can you provide RoHS/REACH compliance documentation?
A: Full material declarations and test reports are available upon request. -
Q: What packaging options exist?
A: Standard 5-50kg spools (plastic/wooden) with moisture barrier, or customer-specific reel sizes. -
Q: How does it perform in cryogenic conditions?
A: Maintains flexibility down to -70°C, suitable for LNG and space applications. -
Q: What is the minimum order quantity?
A: MOQ starts at 50kg for standard grades; trial batches negotiable.
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