FR-4 vs. Torlon Machining
Comparison of FR-4 and Torlon 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 |
| Torlon 4203 Electrical Grade | Torlon 4301 Bearing Grade | Torlon 5530 Glass Filled |
|---|
| 0.4 | 0.4 | 0.3 |
| 18,000 | 12,000 | 15,000 |
| -- | -- | -- |
| 1.7 | 1.4 | 2.6 |
| 580 | -- | 700 |
Material Properties
- Extremely high mechanical strength
- Good dielectric loss properties
- Good electrical strength properties
- Machinability
- High dimensional stability
- Low creep
- High thermal endurance
- Machinability
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