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2015-10-19
The Needle Flame Burner Test For Information Technology Equipment
1.The test flame is positioned so that the tip of the flame is in contact with the surface of the test specimen. The test flame is removed after the specified time.
2 If the test specimen drips molten or flaming material during the application of the flame, the burner may be tilted up to 45 ° from the vertical to prevent material from dripping into the burner tube while maintaining an 8 mm ± 1 mm spacing between the centre of the top of the burner and the remaining portion of the test specimen, ignoring any strings of molten material.
Evaluation of test results
a) There is no flame and no glowing of the test specimen and no ignition of the specified
layer or wrapping tissue.
b) Flames or glowing of the test specimen and the surrounding parts extinguish within 30 s
after the removal of the needle-flame, that is tb < 30 s. Also, the surrounding parts have not burnt away completely and there has been no ignition of the specified layer or wrapping tissue.
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