Plastic Properties
| Cost | Tensile Strength (psi) | Impact Strength (ft-lbs/in) | Coefficient of Friction | Specific Gravity | Machinability | Coefficient of Thermal Expansion (in/in/°F x 10-5) | Water Absorption (24hr Immersion) | Dielectric Strength (V/mil) | Flexural Modulus of Elasticity (psi) | |
| Acrylic | $$ | 10,000 | 0.4 | 1.19 | 65% | 4 | 0.2 | 430 | 480,000 | |
| ABS | $$ | 4,100 | 7.7 | 1.04 | 85% | 5.6 | 0.3 | 304,000 | ||
| Delrin | $$$ | 10,000 | 1.5 | 0.2 | 1.42 | 100% | 6.8 | 0.25 | 500 | 420,000 |
| HDPE | $ | 4,000 | 1.1 | 0.96 | 55% | 9 | 0.1 | 200,000 | ||
| Nylon | $$$ | 12,400 | 1.2 | 0.28 | 1.14 | 75% | 4.5 | 1.2 | 300-400 | 410,000 |
| Polycarbonate | $$ | 9,500 | 12.0-16.0 | 1.2 | 50% | 3.8 | 0.15 | 380 | 345,000 | |
| PVC | $$ | 7,500 | 1 | 1.42 | 50% | 3.2 | 0.06 | 544 | 481,000 | |
| PPC | $ | 5,400 | 1.2 | 0.91 | 40% | 5 | slight | 225,000 | ||
| Teflon | $$$$ | 1,500-3,000 | 3.5 | 0.1 | 2.15 | 90% | 8.9 | <.01 | 400-500 | 72,000 |
| UHMW | $$ | 3,100 | 5+ | .10-.20 | 0.93 | 70% | 11.1 | slight | 110,000 |