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GPO-1 is an economical general purpose NEMA GPO-1 laminate that performs well in applications where good electrical GPOproperties, good physical strength, and moderate heat resistance are required, but where higher flame is not. GPO-1 is suitable for producing a variety of electrical insulating and support components including: barriers, mounting panels, brush holders, collars, wedges, and blocking used in rotating apparatus, dry-type transformers, and large switches. GPO-1 laminate works well in IEEE Class B operating temperatures. The standard color for GPO-1 is brown and its molded thickness is 1/32″ through 2.”,/p>

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

TypeSizeLengthColor
Sheet 1/32″ – 2″ 48″ x 96″, 144″; CTS Brown

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.

Properties

Physical PropertiesUnitsASTMResults
Density g/cm^3 D792 1.19
Mechanical PropertiesUnitsASTMResults
Tensile Strength @ yield psi D638 10000
Tensile Modulus MPa D638 427000
Tensile Elongation @Break % D638 4.5
Flexural Strength MPa 16000
Flexural Modulus psi 450000
Compressive Strength psi D695 17900
IZOD Impact Strength Notched kJ.m^2 D256 0.375
Thermal PropertiesUnitsASTMResults
Coeffcient of Linear Thermal Expansion x10^-5/K C177 0.000042
Heat Deflection Temp at 264 psi °F 200
Electrical PropertiesUnitsASTMResults
Surface Resistivity @60 Hz ohms/sq D257
Volume Resistivity, 50% RH ohm-cm D250
Optical PropertiesUnitsASTMResults
3mm Transparent Clear Transmittance. Total (%) % D1003
Refractive Index % D542 1.43

Applications

  • Motors
  • Dry-type transformers
  • Electrical insulation
  • Support components

Advantages

  • Cost effective
  • Easily fabricated
  • Excellent punchability
  • Max operating temperature – 220 C
  • Economical

Grades

  • GPO-2
  • GPO-3
  • GPO Angles & Channels
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