Typical Applications
Utility transformers

 

Product Description
Thermal Class:    180° (copper) 
                                
200° (aluminum)

Magneflex features copper or aluminum conductors insulated with a high temperature engineered resin.  The advanced polymer coatings have been very successful in transformer applications.

  • Provides uniformity of insulation thickness
  • Excellent resistance to stress cracking
  • Excellent dielectric properties
  • Up to 100% reduction in test failures
  • Increased winding speeds
  • Lower water absorption
  • Lower total unit cost
  • Extremely durable
  • Easy to strip

Availability:
  Round
      Copper/Aluminum          2 - 8 AWG

 Rectangular   Copper/Aluminum

      Min Width .080"
  Max Width .750"
  Min Thickness .050"
  Max Thickness .250"

 

 

 

 

Edge Contours:

Radius corner, Full round.

 

 

  

Typical Properties

All values noted are typical and actual properties of individual lots will vary within specification limits.

THERMAL

 

Glass Transition Temperature
220°C/428°F

Continuous Operating Temperature
180°C/356°F

Thermal Conductivity
2.42 Btu-in/hr-ft2 °F
0.35W/mk

Heat Shock
Pass 15% Elongation @ 220°C
Pass 30% Elongation @ 220°C
 

MECHANICAL 

Tensile Strength
10.1 ksi
 70 MPa

Flexibility - Elongation without cracking
15%

Flexural Modulus
350 ksi
2,400 MPa
 

ELECTRICAL 

Dielectric Breakdown
9-17 kV @ 5-9 mil (0.127-0.229mm) per side

Dielectric Constant
3.45 @ 1kHz

Dissipation Factor
typically < 0.6% at 180°C @ 1kHz

Volume Resistivity
 >1015 ohm-cm

CHEMICAL 

Specific Gravity:  1.29 

Water Absorption:  0.37%

Insulation Thickness:  4-10 mils/0.1016-0.254 mm
 

Download Magneflex Spec Sheet