Fiberglass Covered Flat Copper Wire
Sep 25, 2025
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Fiberglass covered flat copper wire Parameters:
Rectangular: A> 0.8--10mm, B> 2-25mm
Model: UEW(QA), PEW(QZ), EIW(QZXY), EI/AIW(QZY)
Thermal class: 130, 155, 180(Class H), 200(Class C), 220(Class C+), 240(Class HC)
Application: used for transformers, inductors, motors, generators, dry type transformer, Cast Resin Transformers
Standard: IEC, NEMA, JIS, GB.
Fiberglass covered copper wire, also known as magnet wire, is a type of electrical wire that combines the excellent electrical conductivity of copper with the superior insulation properties of fiberglass.
This insulating material is moisture and chemical resistant. Its common applications are heat treatment, glass and ceramic furnaces, foundries, and a wide range of applications in aluminium processing.
Classification and Specifications:
Fiberglass covered copper wire is typically classified based on its temperature rating and insulation type. The temperature rating indicates the maximum operating temperature at which the wire can perform reliably. Common temperature ratings include Class 130 (130°C), Class 155 (155°C), and Class 180 (180°C).
The insulation type can vary, and different insulation materials offer specific properties suitable for diverse applications. Common insulation materials used for fiberglass covered copper wire include polyurethane (PU), polyamide-imide (PAI), and polyesterimide (PEI).
Other Fiberglass covered flat copper wire Products From GNEE
1.Class 155 Glass fibre wound enamelled rectangular copper wire
The temperature index of 155 signifies that the wire can operate reliably at temperatures up to 155°C. And it without significant degradation of its insulating properties. This rating is crucial for applications involving high thermal loads, ensuring long-term performance and safety.
lnsulation thicknessG1,G2
Thermal Class155(Class F)
Dimensionwidth(a): 0.90-5.60mm;thickness(b):3.15-16.00mm
2.Polyimide Fluorine 46 composite film sintered copper flat wire
Polyimide - fluorine 46 composite film sintered copper flat wire is made of corona-resistant polyimide film coated on both sides with polyperfluoroethylene propylene resin by high-temperature sintering of polyimide - fluorine 46 composite film layer; there are made of oxygen-free copper.
Thermal Class200(Class C), 220(Class C+), 240(Class HC)
Diameter / DimensionWidth(a) 0.90-5.60mm; Thickness(b) 3.15-16.00mm
3.Double glass wire covered enameled copper flat wire
Double glass wire wrapped enameled copper flat wire is made of pure copper or copper alloy conductive materials and insulating materials such as polyamide and polyimide.
Specification range4-65mm² a:1.00mm-5.60mm b:3.15mm-16.00mm
Execution standardGB/T7672-2008 or according to customer's technical agreement.
Main raw materials100% oxygen-free rod, ELANTAS insulating varnish (enameled), 250 alkali-free glass yarn, modified epoxy impregnating varnish (silk wrapped).
4.Insulation Fiber Glass Winding Wire
Insulation Fiber Glass Winding Wire is made by wrapping a copper/aluminum wire with a layer of fiberglass insulation, which provides both electrical insulation and mechanical strength.
Diameter Range (mm): round:1.0-7.0mm flat:a:1-10mm b:3-35mm
Insulation Material: Fiber glass, fiber glass+varnish, fiber glass+film
FiberGlass Covered Copper Wire
Diameter Range (mm): Round:
The diameter range of fiberglass-covered round copper wire can vary depending on the specific application and industry standards.
Fine Gauge Wire: Typically, the diameter ranges from 0.05 mm to 1.00 mm (50 µm to 1000 µm).
Medium Gauge Wire: The diameter ranges from 1.00 mm to 3.00 mm (1000 µm to 3000 µm).
Heavy Gauge Wire: The diameter ranges from 3.00 mm to 8.00 mm (3000 µm to 8000 µm).
Range of Fiberglass-covered flat copper wire
Fine Gauge Wire: Typically, the thickness ranges from 0.05 mm to 1.00 mm (50 µm to 1000 µm), and the width can vary from a few millimeters to several centimeters.
Medium Gauge Wire: The thickness ranges from 1.00 mm to 3.00 mm (1000 µm to 3000 µm), and the width can vary accordingly.
Heavy Gauge Wire: The thickness ranges from 3.00 mm to 8.00 mm (3000 µm to 8000 µm), and the width can vary accordingly.
Thermal Class: 155 C, 180 C
Standard: IEC, NEMA, GB, JIS
Package: 30kg/50kg/150kg wooden spool or according to customers requirements.
Roll Size, Range of Weights, and Wire Diameters:
Fiberglass covered copper wire is commonly supplied in spools or reels. The roll size may vary depending on the wire diameter, weight, and customer requirements. Smaller rolls are suitable for lightweight applications, while larger rolls are used for heavy-duty and industrial applications.
The range of weights available for fiberglass covered copper wire can vary from a few grams to several kilograms per roll, depending on the wire diameter and length.
The wire diameters of fiberglass covered copper wire can range from ultra-fine gauges, such as 40 AWG (American Wire Gauge), to thicker gauges, such as 4 AWG. The choice of wire diameter depends on the specific application requirements, including current-carrying capacity, space constraints, and electrical properties.
Anti-Magnetic Properties:
Fiberglass covered copper wire exhibits excellent anti-magnetic properties, making it suitable for applications where minimizing electromagnetic interference (EMI) is crucial. The insulation material provides a high level of electrical isolation, reducing the chances of cross-talk and signal interference.
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