FAR 25.853 Vertical Flammability Test for Aircraft Material- Standard

Far 25.853: Fire Protection for compartment interior

FAR 25.853 fire test to aircraft material - Vertical Test

FAR 25.853 vertical test - Brief

The test apparatus are almost same to UL94V and test the performance of self-extinguish of material under fire condition.

FAR 25.853 vertical test - Test method

The samples is 76mm width and is placed vertically, the ignition resource is same to horizontal test. The burner apply 60s or 12s

The following result will be recorded：

-      Burning length

-      Flame time

-      Dropping time

FAR 25.853 Vertical Flammability Test for Aircraft Material- other standards

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

Boeing Standard: BSS 7238 fire testing to smoke density

Boeing Standard: BSS 7239 fire testing to toxicity

ASTM Standard: ASTM E 662 fire testing to Smoke Density

FAR 25.853 Fire test to aircraft material - Test method

Vertical flammability test: 14 FAR 25.853 b(4)), (App. F to part 25 part I § (a)

Smoke Density Test: 14 FAR 25.853 (d), (App. F to part 25, part V)

Heat Release Test: 14 FAR 25.853 (d), Appendix F, Part IV

Seat Test: 14 FAR 25.853 (c, App.F to part II)

Horizontal Test: 14 FAR 25.853 b(2,3), (App. F to part 25 part I § (a),(1)

45°flammability test: 14 FAR 25.853 (b), (App. F to part 25, part I § (6))

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From：IW2020