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The 4 Main Roles of Sealing Brushes on High-Speed Trains - MWFilament

The 4 Main Roles of Sealing Brushes on High-Speed Trains - MWFilament

2022-01-11

High-speed trains and subways have brought great convenience to our daily travel. High-quality screen door sealing brushes are indispensable in high-speed rail sealing doors. Why do high-speed rail doors need to use a sealing strip brush filament? There are four main reasons.


strip brush filament


1. When the train is running at high speed, especially when it passes through the tunnel, it will drive the air in the tunnel to generate high-speed flow to generate piston wind. The sealing brush plays the role of sealing dust, light, untreated air, and pests.


2. The fast running of the train will also bring much noise. After installation, it can also reduce the discomfort caused by the noise and improve the passenger's good riding experience.

strip brush filament

3. The sealing brush can also play a good role in energy saving and environmental protection. It is easy to exchange hot and cold gas between the door switch of the train, the heat generated when the train stops and brakes into the waiting area, the platform entrance and exit due to the piston effect of the train, and the cooling load formed by inhaling a large amount of fresh air, inside the car and in the tunnel The hot and cold air is easy to be "taken away", the filaments of the door sealing brush are evenly distributed, the density is high, and door can maintain the airtightness of 98.5% after installation, and the energy-saving effect is good.


4. Flame retardant. Use a sealed brush with flame retardant function. If a fire incident in the train, the brush filament that reaches the UL94-V0 level will be extinguished within 30 seconds, no burning material drips. The combustion gas is non-toxic, reducing flammable secondary damage caused by the object.


strip brush filament

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