Bunched Cables Burning Behaviour teseter is used to a medium-scale fire test that simulates bundled or optical cables. During the test, the cable is installed on a vertical standard steel ladder and ignited with a specified ignition source to evaluate the cable's burning behavior and performance.

Bunched Cables Burning Behaviour teseter is used to a medium-scale fire test that simulates bundled or optical cables. During the test, the cable is installed on a vertical standard steel ladder and ignited with a specified ignition source to evaluate the cable's burning behavior and performance. Through the test, the combustion performance data of the initial stage of the cable fire can be obtained. The test of the heat release rate reflects the danger of flame propagation along the cable and the potential impact of the fire source on adjacent areas. The smoke density test reflects the dangers of fire visibility and smoke to human safety.

• GB/T 18380.3

• GB/T 18380.31~36

• IEC 60332-3-10

• IEC 60332-3-21~25

1. The size of the stainless steel test box is 1,000 ± 100 (W) x 2,000 ± 100 (D) x 4,000 ± 100 (H) mm;

2. The surface of the box body is covered with thermal insulation material;

3. 800 ± 20 (W) × 400 ± 10 (D) air inlet space is provided in the lower half of the front of the box;

4. The top of the box is provided with an exhaust port of 300 ± 30 (W) × 1,000 ± 100 (D), which is convenient to exclude smoke during the test;

5. A flame cut-off cylinder is installed to prevent the propane gas from tempering, thereby ensuring the safety of the sample to the greatest extent;

6. Use computer to automatically record all control and test conditions;

7. Because of the effect of temperature on gas pressure and density, the burner gas and air automatic compensation system is controlled by computer;

8. Cabinet observation window: refractory glass (5mm thick);

9. Size of test steel ladder (vertical): 500 (W) × 3,500 (H);

10. Wide steel ladder size: 800 (W) × 3,500 (H);

11. Burning surface size: (L) 257 × (W) 4.5 mm;

12. The heat source is a torch with a propane burner, equipped with a Venturi mixer, and the center distance of the holes: 3.2mm.

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