MIL-STD-1623E(NAVY)
w/CHANGE 1
TABLE I. Material requirements.
Category |
Material |
Specification |
Fire test |
Test limits |
|
|
Bulkhead sheathing1/ |
High pressure laminate |
MIL-P-17171, Type IV |
ASTM E84 or UL 723 |
Flame spread index |
25 MAX |
Smoke developed index |
15 MAX |
||||
Fabric-backed vinyl |
Commercial |
ASTM E84 |
Flame spread index |
25 MAX |
|
Smoke developed index |
75 MAX |
||||
Vinyl thickness |
0.035 inch MAX |
||||
PVC film-aluminum laminate |
MIL-L-24518 |
ASTM E84 or UL 723 |
Flame spread index |
25 MAX |
|
Smoke developed index |
75 MAX |
||||
PVC film thickness |
0.011 inch MAX |
||||
Aluminum thickness |
0.063 inch MAX |
||||
High pressure laminate pre-bonded to aluminum |
MIL-P-17171 |
ASTM E84 or UL 723 |
Flame spread index |
25 MAX |
|
Smoke developed index |
15 MAX |
||||
Aluminum thickness |
0.050 inch MAX |
||||
PVF film-aluminum laminate |
L-P-1040, Type II, Grade A, Class 1 |
ASTM E84 or UL 723 |
Flame spread index |
25 MAX |
|
Smoke developed index |
75 MAX |
||||
PVF film thickness |
0.004 inch MAX |
||||
Aluminum thickness |
0.063 inch MAX |
||||
Plastic tile |
MIL-PRF- 23653 |
ASTM D635 |
9/, 10/ |
||
Plastic sheet |
MIL-P-22581 |
ASTM D635 |
9/, 10/ |
||
Overhead 2/ sheathing |
Acoustical ceiling products |
ASTM E1264 Class A (all surfaces) |
ASTM E84 |
Flame spread index |
25 MAX |
Smoke developed index |
50 MAX |
||||
Class B (face side) |
ASTM E84 |
Flame spread index |
75 MAX |
||
Acrylic light- diffusing panel/windows (lighting fixture only) |
MIL-DTL- 24191 |
ASTM D635 |
Flame rate |
1.35 inch/minute MAX |
|
ASTM E66220/ |
Smoke density |
50 MAX at 0.250 inch thickness |
|||
Fibrous glass opaque suspended ceiling panel |
Commercial |
ASTM E84 |
Flame spread index |
25 MAX |
|
Smoke developed index |
35 MAX |
||||
Panel thickness |
0.750 inch MAX |
||||
5
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