FAR 25.853 45°Flammability Test - Fire Test to Aircraft Material
& Ecosafene Products Service Co.,Ltd have rich experience to provide Far 25.853 fire test to Aircraft Material
Ä Far.25.853 Fire Test to Aircraft Material - Standard
ü Far 25.853: Fire Protection for compartment interior
Ä Far.25.853 Fire Test to Aircraft Material －45° Flammability Test
ü 45° flammability test － Brief
45° flammability test and vertical flammability test will be applied to components which were used for hold and baggage. The ignition resource of 45° flammability test is same to that of horizontal flammability test. The test will be carried out in a small chamber without ventilation and 3 results will be record.
ü 45° flammability test－Method
Forty five degree test. A minimum of three specimens must be tested and the results averaged. The specimens must be supported at an angle of 45° to a horizontal surface. The exposed surface when installed in the aircraft must be face down for the test. The specimens must be exposed to a Bunsen or Tirrill burner with a nominal3/8-inch 1.D. tube adjusted to give a flame of 1 1/2inches in height. The minimum flame temperature measured by a calibrated thermocouple pyrometer in the center of the flame must be 1550 °F. Suitable precautions must be taken to avoid drafts. The flame must be applied for 30 seconds with one-third contacting the material at the center of the specimen and then removed. Flame time, glow time, and whether the flame penetrates (passes through) the specimen must be recorded.
Ä Fire Test to aircraft material – other standards
ü Airbus standard: ABD 0031 - airbus fire testing – flame, smoke and toxicity
ü Boeing Standard: BSS 7238 fire testing to smoke density
ü Boeing Standard: BSS 7239 fire testing to toxicity
ü ASTM Standard: ASTM E 662 fire testing to Smoke Density
Ä Far 25.853 Fire test to aircraft material – Test method
ü Vertical flammability test: 14 FAR 25.853 b(4)), (App. F to part 25 part I § (a)
ü Smoke Density Test: 14 FAR 25.853 (d), (App. F to part 25, part V)
ü Heat Release Test: 14 FAR 25.853 (d), Appendix F, Part IV
ü Seat Test: 14 FAR 25.853 (c, App.F to part II)
ü Horizontal Test: 14 FAR 25.853 b(2,3), (App. F to part 25 part I § (a),(1)
ü 45° flammability test: 14 FAR 25.853 (b), (App. F to part 25, part I § (6))
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