BS476-6 Fire Tests Fire Propagation Tests On Building Materials And Structures
BS476-6 Fire propagation Tests on Building materials and structures
Model: DX8298
Meet the standards:
BS 476 Part 6 specifies a method of test for providing a comparative measure of a flat material or assembly's contribution to the growth of a fire.
Scope of application:
Fire spread index to evaluate the performance of interior wall and ceiling lining.
1. Indoor wall materials;
2. Thermal insulation materials;
3. Ceiling materials.
Technical parameters:
Combustion chamber:
Chamber wall:
Asbestos cement board | 12.5 mm thick |
Dry density | 1300 kg / m3 ~ 1450 kg / m3 |
test chamber inner dimension | 190 mm × 190 mm × 90 mm |
Air inlet | 96 mm × 25 mm |
Mica observation window | 50 mm × 50 mm |
Steel baffle | 200 mm × 40 mm |
Steel bar | fixed sample holder |
Test procedure:
-Turn on the gas source and use the gas igniter to ignite the nozzle;
-Start timing from ignition;
-After 2 minutes and 45 seconds, turn on the power and input 800 W;
-After ignition for 5 minutes, the indication input decreases to 1500 W.