Flammability map
in
PMMA (acrylic): flight tests by oxygen and air flow
Lowest oxygen where a flame kept burning
14.8 % O2
BASS-II O4 at 5 cm/s
Highest oxygen where a flame went out
22.4 % O2
BASS 50 at 10 cm/s
| O2 \ flow | 0 to 2 cm/s | 2 to 5 cm/s | 5 to 8 cm/s | 8 to 12 cm/s | 12 to 20 cm/s | 20 + cm/s |
|---|---|---|---|---|---|---|
| 22 % | · | |||||
| 21 % | · | |||||
| 20 % | · | · | · | |||
| 19 % | · | · | · | |||
| 18 % | · | · | · | |||
| 17 % | · | · | ||||
| 16 % | · | · | · | · | · | |
| 15 % | · | · | · | |||
| 14 % | · | · | · | · |
All went outAll kept burningYour scenario (21 % O2, 10 cm/s)All tests flown at 0.97 to 1.01 atm