FR-4 vs. G-11 Machining
Comparison of FR-4 and G-11 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 |
| G-11 |
|---|
| 0.2 |
| 43,000 |
| 3,000 |
| 0.83 |
| -- |
Material Properties
- Extremely high mechanical strength
- Good dielectric loss properties
- Good electrical strength properties
- Machinability
- High dielectric strength
- Radiation resistant
- High tensile strength
- Low cold flow or creep
- Chemically resistant
- High flexural strength
- Dimensional stability
- Low moisture absorption
- Low dissipation factor
- High impact strength
- Cryogenic serviceability
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