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Views: 98 Author: Site Editor Publish Time: 2023-12-13 Origin: Site
High load plastic UHMWPE railway block sleeper
UHMWPE material has exceptionally low coefficient of friction offering superb sliding properties and is one of the best plastics for wear/abrasion resistance meanwhile tough and impact resistant even at cryogenic temperatures. As a result, it is definite that UHMW polyethylene is a wonderful engineering plastic that can solve many problems that other engineering plastics cannot.
Characteristics for plastic UHMWPE railway block sleeper
1. UHMW exhibits virtually no water absorption
2, Non-Toxic
3. Low coefficient of friction
4. Corrosion resistant
5. Abrasion and impact resistant
6. Wear Resistant
7. Dielectric
8. Weatherproof
C. UHMW-PE Application Areas
1. Textile Industry:
2. Chemical Industry:
3. Food Processing Industry:
4. Paper Industry:
5. Material Handling:
6. Farm Implement:
7. Mining & Metals Processing Industries:
8. Transportation:
9. Consumer Products:
A parameter table for UHMWPE material
Property | ASTM Test | Units Metric (US) | Typical Values |
Specific Gravity | D792 | gm/cm° | 0.926-0.934 |
Tensile Strength @ Yield | D638 | MPa (PSI) | 21 (3100) |
Tensile Strength @ Break | D638 | MPa (PSI) | 48 (7000) |
Elongation @ Break | D638 | % | 350 |
Young's ("E") Modulus (23°C) | D638 | MPa (PSI 105) | 690 (1.0) |
Young's ("E") Modulus (-269°C) | D638 | MPa (PSI 105) | 2970 (4.3) |
Izod Impact Strength (23°C) | D256(1) | J/m (ft-LBS/in notch) | 140 (30) |
Izod Impact Strength (-40°C) | D256(1) | J/m (ft-LBS/in notch) | 100 (21) |
Hardness, Shore "D" | D2240 | - | 62-66 |
Abrasion Resistance | (2) | - | 100 |
Water Absorption | D570 | % | Nil |
Relative Solution Viscosity | D4020 | dl/gm | 2.3-3.5 |
Density | (lbs./cubic in.) | .034 |