FED-STD-228A
TABLE I. Suggested test conditions
Minimum volume
of aging chamber
Pressure, p. s. i.
Test
Medium
Temperature
per gram of
°C ± 1°C
rubber or other
oxidizable
materials, milliliters
Oxygen pressure
Oxygen
70
290 to 310
10
Modified oxygen pressure
Do.
80
48 to 52
10
89
Do.
Do.
290 to 310
10
127
Air pressure
Air
78 to 32
100
70
Air oven
Air circulated by convection
Atmospheric
10
so as to change at least
once per hour.
90
Do.
Do.
10
Do.
100
Do.
Do.
10
Do.
121
Do.
Do.
10
Do.
149
Do.
Do.
10
Do.
Test tube
Air circulated by convection
Do.
1/ 121 to 149
1/ As specified in the detail specification or test method.
114
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