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Thermal Classes and Insulation Systems
Large-diameter aluminum wire is available in multiple high-temperature ratings:
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Class 200 (Modified Polyester / Polyester-imide): Continuous operating temperature of 200°C, with heat shock resistance up to 240°C. Suitable for sealed compressors and high-temperature transformers.
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Class 220 (Polyesterimide / Polyamide-imide): Rated for 220°C continuous operation, with excellent resistance to refrigerants, solvents, and thermal shock. Often dual-coated for superior dielectric strength and mechanical endurance .
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Extended ratings: Some products achieve heat shock resistance up to 240°C, providing additional safety margins in extreme environments .
Applications and Equipment Compatibility
Large-diameter enameled aluminum wire is specifically designed for equipment operating under high thermal and electrical stress:
High-Power Motors
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Washing machine motors, fan motors, and air conditioner compressors operating at elevated temperatures
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Anti-explosion motors requiring robust insulation integrity
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Automotive starter motors and generators subjected to cyclic thermal loads
Power Transformers
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Oil-immersed transformers where Class 200 insulation provides superior resistance to transformer oils
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Dry-type transformers in industrial and commercial settings
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Microwave oven transformers and air-conditioning motors requiring thermal stability
Specialized Equipment
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Generators (Class C and higher ratings)
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UPS power supplies and electronic transformers
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Military and aerospace applications where reliability is critical
Export and Global Reach
As a Zhengzhou-based manufacturer, Zhengzhou Tasuu Windingwire Industry Co., Ltd. serves a global client base across multiple continents. Products are exported to nearly 50 countries and regions, with mature export experience and internationally recognized quality certifications including ISO9001, SGS, and UL approvals .
Export Methods and Logistics
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Sea freight is the primary shipping method, with products packed on standard plywood spools (30–150 kg per spool) and containerized for ocean transport
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Typical shipping ports include Shanghai, Qingdao, and Ningbo
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Standard Incoterms: FOB Shanghai, CIF, or EXW
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Minimum order quantities typically range from 500 kg to 1,000 kg for large-diameter products
Key Export Markets
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Asia: India, Southeast Asian countries (Vietnam, Thailand, Indonesia, Malaysia, Philippines), South Korea, Pakistan, and Middle Eastern nations
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Europe: Germany, UK, France, Italy, Poland, Russia, and Turkey, where industrial automation and automotive sectors drive demand
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Americas: USA, Canada, Brazil, and Mexico
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Oceania & Africa: Australia, New Zealand, South Africa, and other developing industrial regions
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