FR-4 vs. LDPE Machining

Comparison of FR-4 and LDPE 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
LDPE
0.1
1,400
30,000
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Material Properties

  • Extremely high mechanical strength
  • Good dielectric loss properties
  • Good electrical strength properties
  • Machinability
  • Non-reactive at room temperatures
  • Can withstand temperatures of 80 ┬░C continuously
  • Machinability

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