FR-4 vs. Polycarbonate Machining
Comparison of FR-4 and Polycarbonate Property Values
FR-4 |
0.1 |
45,000 |
2,700 |
0.66 |
-- |
Material |
---|
Water Absorption Rating |
Tensile Strength |
Flexural Modulus |
Coefficient of Linear Thermal Expansion |
Dielectric Strength |
Polycarbonate | Polycarbonate 20% Glass Filled |
1.2 | .06 - 1.2 |
12,400 | 10,000-13,500 |
410,000 | 420,000 - 500,000 |
4.5 | 5 |
-- | -- |
Material Properties
- Extremely high mechanical strength
- Good dielectric loss properties
- Good electrical strength properties
- Machinability
- Easily machined
- Excellent creep
- Glass-filled grades available
- High impact strength
- FDA compliant grades available
- Enhanced bearing & wear grades available
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