Fire-resistant bridge架Sprayed with a fire-retardant paint on the surface of a standard bridge tray to serve as a fire-resistant barrier! In reality, the bridge tray itself won't catch fire; it's only the cables that could potentially ignite. The fire-retardant paint's principle of fire prevention and retardation

Fire-resistant bridge supports have a protective thickness in accordance with JB/T 10216-2000 "Electrical Control and Distribution Equipment."Cable trayTable 10 specifies that electroplating should be greater than 12μm, hot-dipping greater than 65μm, powder coating greater than 50μm, and fire-retardant greater than 500μm, which can be measured by a thickness gauge.

Flame Retardant Fireproof Bridge Supports Key Parameters

Fire-resistant paint

Appearance: Dark grey

Uniformly thick fluid, free from lumps.

Surface drying time: 2 hours

Bond Strength: 0.78 Mpa

Seismic resistance: The L/200 coating does not peel or flake off under bending.

Flexural strength: No delamination or peeling of the coating at a bend L/100.

Fire resistance: Coating remains unchanged after being soaked in tap water for over 24 hours.

Acid Resistance: Coating remains unchanged after soaking in 3% HCL for over 24 hours.

Alkaline Resistance: Coating remains unchanged after soaking in 3% Ca(OH)2 solution for over 24 hours.

Salinity Resistance: The coating remains unchanged after being soaked in 3% NaCl for more than 24 hours.

Freezing Resistance: 15 times

Thermal resistance coating thicknesses vary as follows:

Fire resistance limit: 0.5, 1, 1.5, 2, 2.5

Coating Thickness mm 0.4-0.6 0.8-1.0 1.4-1.6 1.8-2.0 2.4-2.6

Inorganic refractory board

Fire resistance Grade A

Thermal Conductivity (W/M, K) ≤ 0.5

Tensile Strength (Mpa) ≥ 15

Compressive Strength (Mpa) ≥ 45

Bending Strength (Mpa) ≥ 35

Impact Resistance (Mpa) ≥ 2.0