Sealing Applications of Rail Transit
Sealing Applications of Rail Transit

Due to the high passenger capacity, short operation intervals, complex structural design, and harsh working conditions characteristic of rail transit, it is crucial for trains to maintain prolonged stability and reliability. The long-term effective sealing of key systems such as the traction system, braking system, HVAC system, and lighting system is a vital aspect of ensuring the reliable operation of the vehicle. Consequently, the application requirements for sealing materials in these systems are extremely stringent.

材料选择
Safety
Meets rail industry standards for smoke, flame, and toxicity.
Stress Relaxation
Stress relaxation affects long-term operational reliability.
Environmental Durability
Resistant to ultraviolet rays, ozone, extreme temperatures, and chemicals.
Resistance to Compression Set
Excellent resistance to compression set is essential.
Compression Stress
Selecting materials with suitable compression stress is crucial.
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