nylon roller:
| 1) Tensile strength | 85Mpa |
| 2) Elongation at rupture | 22.4% |
| 3) Tensile Elastic Modulus | 2.76 × 10 3 Mpa |
| 4) Static Bending Strength | 94.3Mpa |
| 5) Bending elastic modulus | 2.9 × 10 3 Mpa |
| 6) Compressive elastic modulus | 0.9 × 10 3 Mpa |
| 7) Impact strength | > 6.88KJ / m 3 |
| 8) Shore hardness (adjustable) | 87 ° × 97 ° A |
| 9) Friction coeffcient | 0.115 |
| 10) Relative density | 1.15g/cm 3 |
| 11) Heat distortion temperature | 169 O C |
| 12) Z-axes expansion coefficient | 8.6 × 10 -5 1 / O C |
| 13) Meliting point | 216 O C |
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