BS476 Part 6 Fire Test for Fire Propagation of Building Material
Application:
Cube Meter Fire Propagation Index Tester
Apparatus:
Fire Propagation Tester for Building Materials and Structures
Function:
BS 476 Part 6 Fire Propagation Tester
Device:
BS476-6 Flame Propagation Index Tester for Building Material
Standard:
BS 476 Part6 A1: 2009
Feature:
The computer automatically processes thedata, and print test report
Installation:
engineer can serve abroad
OEM service:
available
Area of the radiant panel:
850mm*850mm
Warranty:
1 Year
Supply Ability
Supply Ability:
50 Set/Sets per Month
Packaging & Delivery
BS476 Part 6 Fire Test for Fire Propagation of Building Material
Introduction of Fire Propagation Tester:
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 propagationproperties of the material to be tested in BS476-6, thermocouplecontinuous 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 differencevalue 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 valueevery one minute. In the last 11-20 minutes, take the temperature difference valueevery two minutes.The flame spread indexof 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 materialI≤12.
Standards of Fire Propagation Tester:
BS 476 Part 6 A1: 2009
GB/T 17658-1999
Features of Fire Propagation Tester:
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;
Pictures of Fire Propagation Tester:
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