FR-4 vs. UHMW Machining
Comparison of FR-4 and UHMW 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 |
UHMW - PE |
slight |
3,100 |
110,000 |
11.1 |
-- |
Material Properties
- Extremely high mechanical strength
- Good dielectric loss properties
- Good electrical strength properties
- Machinability
- High impact strength
- Machinability
- Low coefficient of friction
- Self-lubricating
- Chemical resistant
- Zero water absorption
- High abrasion resistance
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