Acetal vs. Polycarbonate Machining
Comparison of Acetal and Polycarbonate Property Values
| Acetal Homopolymer | Acetal Copolymer |
|---|
| 0.25 | 0.2 |
| 10,000 | 9,800 |
| 420 | 370,000 |
| 6.8 | 6.1 |
| -- | -- |
| 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
- Low moisture absorption
- High mechanical strength and rigidity
- Machinability
- Good chemical resistance
- Good dimensional stability
- Easily machined
- Excellent creep
- Glass-filled grades available
- High impact strength
- FDA compliant grades available
- Enhanced bearing & wear grades available
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