Composite Protective Cover for the Third Rail of the Subway
Composite protective cover for the third rail of the subway
Pultruded and moulded composite cover for the energised third rail on metro and light-rail systems. Manufactured from glass and basalt fibre in a structural resin matrix with auxiliary additives for ageing and breakdown resistance.

Features
Anti-ageing for long trackside service
Anti-corrosion in tunnel and outdoor conditions
High-voltage breakdown resistance, suiting traction-power service
Fast install and removal for rail-side maintenance access
Small displacement change under environmental load, with stable shielding geometry
Specifications
| Insulation resistance | 3 × 10¹³ | Ω |
| Flame-retardant grade | Up to V-0 | |
| Density | 1.9 – 2.3 | g/cm³ |
| Electrical strength | ≥ 14.6 | kV/mm |
| Barcol hardness | ≥ 61 | HBa |
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