The main purpose
Used to measure the intensity and speed of burning of flammable textiles once they are ignited when worn.
Technical index
1. The inner size of the combustion test box is 370mm×220mm×350mm, and the allowable tolerance is ±10mm. The front of the box is provided with an observation door made of heat-resistant transparent material, and the bottom of the observation door is equipped with a ventilation strip. There are also ventilation holes behind the top of the box.
2. It adopts PLC control integrating microelectronic technology, computer technology and automatic control technology, and uses its internal cycle scanning working method to accurately and reliably control and measure the entire combustion process.
3. Burning timing range: 0-99.99s, resolution: 0.01s
4. Ignition time: 1s, 5s, 20s, resolution: 0.01s
5. Igniter caliber: 41/2 gauge syringe needle
6. Sample size: 150mm×50mm
7. Sample holder: It can support and fix the sample holder to make it tilt at an angle of 45°, and adjust its relative position to the front of the flame according to the thickness of the sample.
8. Specimen clamp size: composed of two U-shaped steel plates with a thickness of 2.0mm, inner frame: 152mm×38mm, the specimen is fixed between the two plates, clamped on both sides with clamps.
9. The distance between the top of the igniter and the surface of the sample: 8mm, and the distance between the ignition point and the bottom of the sample is 19mm
10. Marking thread: white cotton mercerized sewing thread (11.7tex×3), which meets the requirements of GB/T6836.
11. The distance from the midpoint of the flame spray sample surface to the marking line: 127mm
12. Flame height: 16mm
13. Heavy hammer: The mass is 30g±5g.
14. Brushing device: meet the requirements of GB/T 14644-2014 5.2
15. Temperature display in the box: room temperature~99℃
16. Combustion gas: Butane (chemically pure).
Applicable standards (for different standards, different accessories are required)
GB/T 14644-2014 Textiles Burning properties Determination of burning rate in 45° direction
GB 31701-2015 Safety technical specifications for textile products for infants and children
GB/T 31888-2015 School uniforms for primary and secondary school students
CFR 1610
ASTM F2100-11 (2018) Standard Specification for Material Performance of Medical Masks

GB/T 21294-2024  Testing methods of physical and chemical performance of garments

GB/T 21295-2024  Requirements of physical and chemical performance of garments