Gnee (Tianjin) Multinational Trade Co., Ltd.
Gnee (Tianjin) Multinational Trade Co., Ltd.
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Composite sleepers, also known as composite ties or sleepers, they are made from composite materials rather than traditional materials like wood or concrete. Railway sleepers are critical components of railway tracks. GNEE is a professional manufacturer of composite sleepers, supply a wide range of rail fasteners including rail clips, rail sleepers, steel rails, fish plate and other railway product.
Our composite sleeper workshop is a modern facility dedicated to producing high-quality composite sleepers, providing a reliable foundation for railway systems. Utilizing advanced technology and processes, our workshop features automated production lines to ensure high efficiency and consistent quality.
Our workshop not only focuses on production efficiency but is also committed to environmental protection. By using recycled materials and adopting sustainable manufacturing practices, we strive to reduce our dependence on natural resources and contribute to sustainable development.
| Item | JIS E1203:2007 Strength | (CJ/T399-2012) GNEE Sleeper Strength | |
| Material Strength | Bending Strength | min. 70 N/mm2 | min. 80 N/mm2 |
| Young 's modulus in flexure | min. 6000 N/mm2 | min. 7000 N/mm2 | |
| Withstand bending load | min. 170 kN | min. 170 kN | |
| Longitudinal compressive strength | min. 40 N/mm2 | min. 50 N/mm2 | |
| Shearing strength | min. 7 N/mm2 | min. 7 N/mm2 | |
| Adhesion shearing strength | min. 7 N/mm2 (base-material breakage) | min. 7 N/mm2 (base-material breakage) | |
| Electrical Properties | Alternating-current breakdown voltage | min. 20 kV | min. 20 kV |
| Direct-current insulation resistance | min. 1 X 1010 Ω | min. 1 X 1010 Ω | |
| Pulling Strength | Track spike pulling strength | min. 15 kN | min. 20 kN |
| Screw spike pulling strength | min. 30 kN | min. 40 kN | |
| Unit volume mass | 0.74土 0.1 g/cm3 | 0.74土 0.1 g/cm3 | |
| Amount of water absorption | max. 10 mg/cm2 | max. 10 mg/cm2 | |