CPAI_84 Tent Flame Retardant Tester
YY-84cpAl tent flame retardant tester according to CPAI_84_1995 account tent flame retardant test. Vertical method of the standard provisions of the simulation test items.
YY-84cpAl tent flame retardant tester is to install the sample on the stainless steel sample clamp, hanging in the test cabinet, the lowest point of the sample is 20mm away from the upper end of the fire source tube; adjust the fire source height to 38mm (±3mm) (the test gas is methane); start the tester, make the fire source move to the sample directly below, burn for 12 seconds, remove the fire source, record the renewal combustion time; after all the burning is over The tent flame tester is suitable for testing the flame resistance of tent top, bottom and outer wall materials.
Specimen size; bottom material: 230mm×230mm (±3mm) four pieces in warp and weft direction
Wall and top material: 90mm×300mm (±3mm) warp and weft direction four pieces
Burning flame height; 38±2mm (height adjustable)
Ignition time; 12s (preset adjustable)
Continued combustion time; 1s ~ 999.9s ( digital display, can be manually suspended to maintain the digital display )
Ignition nozzle angle; vertical method
Ignition nozzle caliber; by 5mm inner diameter barrel and fixed throttle hole distance of 75mm +/-6mm
Burner; width 320mm × depth 320mm × height 760mm
Combustion gas; methane gas purity should be 97% or more
Igniter inlet air pressure; 2.5psi+/-0.25Psi (adjustable)
Test power supply; 220V 0.5kVA
Standard lamp pipe diameter; about 1.6mm, distance from the edge of the burner 3mm, standard lamp flame length 3mm
Cabinet; to provide a separate space for the test
Viewing window; transparent viewing window for easy observation of the test process
Fixture fixing block; fix the specimen clamp to keep it in the middle position vertically
Specimen holder; fixture to hold the specimen in place
Flame measuring tape; flame height measuring tape
Ventilation port; to provide the necessary air circulation for the combustion test
Control mode; using ordinary electromechanical control, easy to operate
Flame control valve; adjust the gas flow to make the flame reach the required height
For the Flooring material, CPAI 84 provides for horizontal combustion determination, the test procedure is as follows.
1) Place the test cabinet in a fume hood with the brace sample frame inside the test cabinet.
2) Pierce a 6 mm hole in the center of the test sample.
(3) Place the sample on the frame, make it level, and then place the ignition source methenamine tablet on the sample, which is no more than 3 mm away from the sample's hole.
4) Ignite the methenamine tablet and observe the test.
5) When all burning stops, ventilation, test the length of damage to the sample and record the data.
Test result determination.
When the test sample is tested with the method in Part V of this standard, either as is, or waterlogged or aged samples, the length of damage of any one test sample cannot exceed 72mm.
> For wall and top materials, CPAI 84 provides for vertical combustion determination, the test procedure is as follows.
1) Mount the sample on a sample holder and hang it in the test cabinet with the lowest point of the sample at a distance of 20 mm from the upper end of the fire source tube.
2) Adjust the fire source height to 38mm (±3mm) (the gas used for testing is methane).
(3) start the apparatus, so that the fire source moved to the sample directly below, burning 12 seconds after the removal of the fire source, record the renewal of combustion time; (4) after the end of combustion, remove the sample, measure the length of damage to the sample.
Test result determination: When the test sample is tested with the method of the sixth point of this standard, either the original sample, or the sample that has been flooded or aged
(a) any test sample can not exceed 4 seconds of continued combustion time, the average continued combustion time of not more than 2 seconds, the combustion process broken down or dripping off the part falling to the bottom of the test cabinet can not continue to burn.
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CPAI 84 Tent Flammability Testing Equipment 220V 0.5kVA Power Supply Images
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