Acetal vs. UHMW Machining
Comparison of Acetal and UHMW 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 |
UHMW - PE |
slight |
3,100 |
110,000 |
11.1 |
-- |
Material Properties
- Low moisture absorption
- High mechanical strength and rigidity
- Machinability
- Good chemical resistance
- Good dimensional stability
- High impact strength
- Machinability
- Low coefficient of friction
- Self-lubricating
- Chemical resistant
- Zero water absorption
- High abrasion resistance
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