Acetal Balls (Delrin®), a plastic ball, is similar to nylon but slightly harder and denser. Recommended for applications where these properties and low water absorption are required.
Physical Properties
| Specific Gravity | 1.42 |
| Water Absorbtion (Method A, 24hr)% | 0.25 |
| Tensile Strength at Yield, 100 psi | 10.0 |
| Elongated at Yield, % | 40 |
| Elastic Modulus In Tension, 10 to the 5th power psi | 4.5 |
| Flexural Strength in Tension, 10 to the 5th power psi | 14.1 |
| Elastic Modulus in Flexure, 10 to the 5th power psi | 4.1 |
| Compressive Strength at Yield, 1000 psi | 5.2 |
| Rockwell Hardness (Method A) | M94, R120 |
| Maximum Service Temperature in °F | 185 |
| Natural Color | light tan |
| Color Possibilities | limited |
| Clarity | opaque |