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The BS 476-6 test method is a measurement method for the flame propagation performance of materials, mainly used to evaluate the fire resistance of wall and ceiling linings, and the measurement results are expressed in flame propagation index.
During the test, the test piece is exposed to a tube burner, and the heat output of the lamp is 530J/m2. After the test for 2 minutes and 45 seconds, the total power of the two electric heaters is adjusted to 1800 watts. When the test is 5 minutes, the power was reduced to 1500 watts, and then the power is maintained unchanged until the end of the test, and the total test time was 20 minute.
1. The BS 476-6 Fire Propagation Index Test Apparatus uses stainless steel box support frame;
2. Calcium silicate board combustion chamber;
3. BS 476-6 Fire Propagation Index Test Apparatus has three sample holders, stainless steel wrapping methods;
4. Two 1000W quartz radiator devices provide heat radiation to the sample;
5. T-type burner provides open flame burning method for the sample;
6. The thermocouple continuously records the difference between the temperature in the chimney and the room temperature;
7. The power output is automatically controlled, and the output power is automatically adjusted according to the test time;
8. The computer automatically processes data and can print test reports.
Data Acquisition system of BS 476-6 Fire Propagation Index Test Apparatus:
Prompted software interface
Data recording and display of cowl temperature against time
Data recording and display of ambient temperature against time
Display of power value in kW
Calibration routine
Calculation of output rise and calibration value
| Electrical | 230 volts Nominal 10 Amps |
| Ambient Temperature | 10°C to 35°C |
| Gas supplies | The gas supply specified in the Standard is Standard test gas G112, as specified in BS 4947 |
| Flow | Gas flow for burner adjustable from 0 to 5 nl/min |
| Pressure | 1KPa |
| Dimensions |
Apparatus: 400mm (W) x 600mm x (H) x 300mm (D) Control module: 400mm (W) x 500mm x (H) x 400mm (D) |
| Weight | 46KG |
| Applicable standards | BS476-6 |
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