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NF P 92-503: M classification combustion test
NF P 92-503: Electrical burner test used for flexible materials thickness no more than 5mm
A specimen in placed in a specimen holder at 30° above a radiator which gives out heat(30kW/m²). A small butane flame is applied directly to the fabric surface. The following aspects are recorded:
- duration of the flame
- production of burning droplets
- length/width of the damaged specimen
If specific, unusual, specimen behaviour is observed additional supplementary tests may be required.
M Classification: M0-M4(M0、M1、M2、M3、M4)
Other Standard
NF P 92-501: Building materials- Reaction to fire tests, radiation test used for rigid material or flexible materials thickness more than 5mm.
NF P 92-503: Electrical burner test used for flexible materials thickness no more than 5mm
NF P 92-504: speed of spread of flame test used for the materials which are not intended to be glued on a rigid substrate.
NF P 92-505: Dripping test with electrical radiator, used for melting materials.
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Testing to：
Fire standard
