Nylon Balls (Zytel®, Polymide) are used in check valves, light load bearings, knobs and toggle switches and other applications where low cost and resiliency are more important than hardness. Nylon has good resistance to alkalis, petroleum products and various mild chemicals.
Physical Properties
| Specific Gravity | 1.14 |
| Water Absorbtion (Method A, 24hr)% | 1.2 |
| Tensile Strength at Yield, 100 psi | 11.2, 12.0 |
| Elongated at Yield, % | 5.25 |
| Elastic Modulus In Tension, 10 to the 5th power psi | —– |
| Flexural Strength in Tension, 10 to the 5th power psi | —– |
| Elastic Modulus in Flexure, 10 to the 5th power psi | 4.12, 1.75 |
| Compressive Strength at Yield, 1000 psi | —– |
| Rockwell Hardness (Method A) | R121, R108 |
| Maximum Service Temperature in °F | 250 |
| Natural Color | off-white |
| Color Possibilities | unlimited |
| Clarity | translucent to opaque |