FR-4 vs. Grade XX Paper Machining

Comparison of FR-4 and Grade XX Paper Property Values

FR-4
0.1
45,000
2,700
0.66
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Material
Water Absorption Rating
Tensile Strength
Flexural Modulus
Coefficient of Linear Thermal Expansion
Dielectric Strength
Grade XX Paper
2
11,500
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Material Properties

  • Extremely high mechanical strength
  • Good dielectric loss properties
  • Good electrical strength properties
  • Machinability
  • Moderate┬ámechanical strength
  • Continuous operating temperature of 250┬░F
  • Machinability

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