FR-4 vs. Polypropylene Machining
Comparison of FR-4 and Polypropylene 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 |
| Polypropylene Homopolymer | Polypropylene Copolymer |
|---|
| slight | slight |
| 5,400 | 3,800 |
| 225,000 | 215,000 |
| -- | -- |
| -- | -- |
Material Properties
- Extremely high mechanical strength
- Good dielectric loss properties
- Good electrical strength properties
- Machinability
- Mechanical strength
- FDA compliant grades available
- Impact resistance
- Moisture resistance
- Machinability
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