FAR 25.853 Aircraft material combustion performance test-45° combustion test

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Material Flame Retardant Test, Fire Test Far25.853 - Standard Name

• Far25.853: Fire Protection for compartment interior

• Far25.853: Fire Protection of Aircraft Interior Materials - Flame Retardant and Fire Test

Certain components used in cargo holds and luggage compartments must be tested using both the 45° burning test and the vertical burning test. The ignition source for the 45° test is the same as the horizontal combustion test. The test was conducted in a non-ventilated chamber, and the average of three measurements was used as the result.

FAR25.853 45° combustion test - test method

material flame retardant testing, fire testing – other relevant standards

• standard: ABD 0031 - airbus fire testing – flame, smoke and toxicity

• standard smoke test: BSS7238 fire testing to smoke density

• standard toxicity test: BSS7239 fire testing to toxicity

• standard smoke density: ASTM E 662 fire testing to Smoke Density

Far 25.853 Test Method – Combustion Performance Test 

• Vertical burning test is conducted in accordance with 14 FAR 25.853 b(4)), (App. F to part 25 part I § (a), 12-second vertical burning test and 60-second vertical burning test

• density test performed in accordance with 14 FAR 25.853 (d), (App. F to part 25, part V)  

• Combustion heat release test is conducted in accordance with 14 FAR 25.853 (d), Appendix F, Part IV  

• seat in accordance with 14 FAR 25.853 (c, App.F to part II)  

• Horizontal combustion test performed in accordance with 14 FAR 25.853 b(2,3), (App. F to part 25 part I § (a),(1)  

• rack fire test is conducted in accordance with 14 FAR 25.855 (App. F to part III)  

• 45° combustion test 14 FAR 25.853 (b), (App. F to part 25, part I § (6)) performed