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ISO 9239-1 Limiting Radiant Chamber for Flooring Materials
Product Description:
Critical Radiant Flux is the main parameter of the fire risk for flooring materials, it reflects the burning and spreading ability of flooring material specimens under external heat radiation conditions. It is an important index of combustion classification for building products.
According to ISO 9239-1,2 and GB/T 11785-2005 requirements, ISO 9239-1 Limiting Radiant Burning Chamber for Flooring Materials is measuring the critical radiant flux of combustion floor coverings, through the radiation environment of the test chamber. It can also be used to measure the critical radiation of the cellulose insulation floor material.
The specimen is located at the down horizon of a 30-degree sloped gas radiation panel per horizon surface. Pilot flame as an ignition source put a part edge of the specimen on the high-temperature side. This equipment records ignition time by spark, andthe moving time by which flames horizontally pass a specimen of length.
Application:
1. Building Materials
2. Rail
3. Automotive Interior
4. Other
Standard:
>>> ISO 9239-1: Reaction to Fire Tests for Flooring- Part 1: Determination of Burning Behavior Using a Radiant Source;
>>> ISO 9239-2: Reaction to Fire Tests for Flooring- Part 2: Determination of Flame Spread at a Hat Flux Level of 25kW/m2;
>>> ASTM E 648: Standard Test Method for Critical Radiant Flux of Floor-Covering System Using a Radiant Heat Energy Source;
>>> ASTM E 970: Standard Test Method for Critical Radiant Flux of Exposed Attic Flooring Insulation Using a Radiant Heat Energy Source;
>>> NFP A 253: Standard Method of Test for Critical Radiant Flux of Floor Covering System Using a Radiant Heat Energy Source (National Fire Code. 6);
Main Features:
1. All structural components are made of stainless steel, beautiful appearance and corrosion resistance.
2. The test chamber is made of a panel (calcium + silicate ) of 13±1 mm thickness and 650 kg/m3 of nominal density.
3. Air pass dimension between test chamber and test specimen holder is produced by (0.23±0.03) m3 at both beside of specimen fairly.
4. The calorimeter is imported from the United States, with a range of 50kW/m2.
5. Radiant chamber had a stop of 30±1degree per horizon panel, and can be resisted up to 900 degrees centigrade. It also should include a safety-blocking function.
6. The radiation source is a porous ceramic heat radiating plate of 300 mm*450 mm, and tilted 30 °.
7. Pilot burner should be stationed equally a 0.7mm diameter and 19/EA, producing a slope of 60 degreesfrom the center line bottom.
8. The air velocity of the exhaust stack should be attached to an exhauster as 2.5±0.2 m/s.
9. It should be used an radiation pyrometer which can be monitor 250mm diameter from about 1.4 meter and has ±5 degree centigrade sod ml accessory with 480ºC to 530ºC (black body temperature) range for adjustment the surface quality of heat of radiant panel.
10. It can be measured that the flow within tolerance is from the radiant heat panel to 110mm to 910mm at 100mm intervals.
11. It can adjust the flame length of 60mm to 120mm on the Pilot burner flame.
12. It can be adjusted limited temperature (900ºC) of the backside panel according air flow condition of the radiation heat panel.
13. Inlet flow control valve, precise control of propane flow.
Specification:
1. Steel frame chamber, Dimension:1,400mm(W)×500mm(D)×2,200mm(H)
2. Console Size: 600mm(W)×750mm(D)×1600mm(H)
3. Power:AC 220V, 50/60Hz, 20A
4. Weight: about 300kg
5. Instructions: Provide
6. Exhaust:30~85m3/min
7. Calcium silicate insulation board
8. Observation window
9. Sliding platform for loading the specimen
10. Auto-moving ignition burner
11. Scale for checking flame spread
12. K-type thermocouples: Range, Ambient about 1500 degrees centigrade
13. Stainless steel sample holder
14. Dummy calibration panel holder for measuring heat flux meter
15. Pyrometer for measuring radiant panel temperature
16. Utilities: Bottled propane gas, Air compressor (5HP)
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