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392Plastic Pulleys & Sheaves Acetal offers high strength and stiffness coupled with high dimensional stability and ease of machining，POM/ABS pulleys/sheaves protect ropes from increased frictional wear. The unique sliding surface of our material ensures that the friction between rope and pulley is reduced to a minimum. Thanks to their high mechanical strength and elasticity, the rollers withstand high loads and do not break.
Plastic Pulleys & Sheaves
Acetal offers high strength and stiffness coupled with high dimensional stability and ease of machining，POM/ABS pulleys/sheaves protect ropes from increased frictional wear. The unique sliding surface of our material ensures that the friction between rope and pulley is reduced to a minimum. Thanks to their high mechanical strength and elasticity, the rollers withstand high loads and do not break.
| Features |
| Protects ropes and belts from excessive frictional wear |
| Very low coefficient of friction |
| Extreme wear resistance |
| High mechanical strength |
| Weatherproof |
| Elastic and break-proof |
| Long service life |
| MATERIAL PROPERTIES | |||
| Item | Nuit | POM | ABS |
| Density | g/cm3 | 1.41 | 1.04 |
| Water absorption (23℃.24Hrs) | % | 0.75 | 0.3 |
| Tensile strength | Mpa | 58 | 28 |
| Tensile modulus | Mpa | 2990 | 2027 |
| Flexural strength | Mpa | 99.5 | 62 |
| Flexural modulus | Mpa | 2850 | 2096 |
| Izod notched impact strength | KJ/m 2 | 8 | 7.7 |
| Shore hardness | D | 80±2 | 100 |
| Working temperature | ℃ | 60-100 | -20°C to 80°C |
