Fire cable tray is not to say that the cable tray can be fire-resistant, to be exact, it should be flame-retardant. Now the cable tray on the market generally has steel, aluminum alloy, glass fiber reinforced plastic cable tray, which itself does not burn after a fire. Fireproof cable tray is usually coated with fireproof coating on the surface in the industry. In short, fire cable tray is a common cable tray with fire retardant coating.

What is fire retardant coating?

Fire retardant coating refers to the use of coating on the surface of combustible materials to improve the fire resistance of materials, reduce the propagation speed of flame, or can be flame retardant in a short time. It is called fire retardant coating or flame retardant coating.

Fire prevention principle of fire prevention cable tray

1. Fireproof cable tray not only has flame retardancy or non flammability, but also has relatively low thermal conductivity, which can delay the transfer of flame temperature to the protected substrate.

2. Fire retardant coating has flame retardancy or even non flammability, which can avoid direct contact between the protected object and air, delay the ignition time of the object, and reduce the burning speed.

3. The fire retardant coating decomposes the non combustible gas when heated, dilutes the combustible gas produced by the protected object when heated, and makes it difficult to burn or slow down the burning speed.

4. After being heated, the intumescent fireproof cable tray will expand and foam, and a carbon foam insulation layer will appear, so as to seal the protected object, slow down the conduction speed of heat and substrate, and avoid the insufficient strength caused by combustion and temperature rise.

5. After being heated, nitrogen-containing fireproof cable tray decomposes no, NH3 and other elements, and combines with organic free radicals. The chain reaction is blocked and the temperature is reduced.

The fire prevention principle of fire prevention cable tray is introduced here. It can be seen that it is very excellent, and it is precisely because of this that it is popular.