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BS476-6 Roofing Materials Fire Propagation Index Testing BS476-6 Apparatus
Application
Test fire propagation index of building materials, roofing materials
Application field
Building material, rail, etc.
Reference standards
BS476 Part 6
Control method
Computer control
Gas supply
G112
Dimension
Apparatus: 400mm (W) x 600mm x (H) x 300mm (D) Control module: 400mm (W) x 500mm x (H) x 400mm (D)
Weight
46kg
Pressure
1kPa
Brand Name
LAB TECH
Model Number
FPT
Certification
ISO9001
Place of Origin
China
BS476-6 Roofing Materials Fire Propagation Index Testing BS476-6 Apparatus
Introduction:
BS 476-6 is a test method of measuring the flame propagation properties of materials, primarily for fire protection performance evaluation of the walls and ceilings, measurement results are expressed as an index of flame propagation.
During the test, the specimen is exposed to the tubular torch, heat release of the lamp is 530J / S. 2 minutes and 45 seconds later, the two electric heater was adjusted to 1800 watts in total, 5 minutes after starting the test, reduced the power to 1500 watts, keep the power not changed until finishing the experiment, the total test time is 20 minutes.
To assess the flame propagation properties of the material to be tested in BS476-6, thermocouple continuous recording chimney temperature and room temperature difference, and compared the results with the calibration curve, calibration curve based on the provisions of the density of asbestos - cement slab in the same measured way.
Comparing the temperature difference value of two curves which measured at the same time. In the first three minutes of the test, take the temperature difference value every 30 seconds, in the following 4-10 minutes, take the temperature difference value every one minute. In the last 11-20 minutes, take the temperature difference value every two minutes. The flame spread index of these three periods are calculated according to formula.
I is the value of sum of the three periods flame spread index. The higher of I value, the lower the material flame retardant, 0 grade material I≤12.
Standards:
BS 476 Part 6 A1: 2009
Application Field:
Building Materials;
Rail;
Others;
Features:
Stainless steel cabinet support frame
Calcium silicate board combustor
All the three sample holders are stainless steel parcel
2 sets 1000W quartz radiation device, to provide thermal radiation to samples
T-type burner supply flame combustion to the sample
Thermocouple continuous recording temperature and room temperature difference value in chimney
The power output is automatically controlled according to the test of time
The computer automatically processes the data, and print test report
Data Acquisition system:
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
Parameters:
No.
Item Name
BS476-6 Fire Propagation Tester
1
Dimension
Apparatus: 400mm (W) x 600mm x (H) x 300mm (D)
Control module: 400mm (W) x 500mm x (H) x 400mm (D)
2
Weight
46kg
3
Power supply
230 volts Nominal 10 Amps
4
Ambient temperature
Operating 10oC to 35oC
5
Gas supply
The gas supply specified in the Standard is Standard test gas G112, as specified in BS 4947
6
Flow
Gas flow for burner adjustable from 0 to 5 nl/min
7
Pressure
1kPa
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Year Established:
2012
Total Annual:
10000000-100000000
Employee Number:
100~300
Ecer Certification:
Verified Supplier
Delta Technology (Chongqing) Co., Ltd. is a high-tech enterprise focusing on R&D, production, and sales of Electric Testing Equipment and Fire Resistance Testing Equipment.
Safety is important to the electrical, construction, and transportation industries, thus, Delta Technology aims t... Delta Technology (Chongqing) Co., Ltd. is a high-tech enterprise focusing on R&D, production, and sales of Electric Testing Equipment and Fire Resistance Testing Equipment.
Safety is important to the electrical, construction, and transportation industries, thus, Delta Technology aims t...