|
|
Type
IV |
|
Property |
Specification |
T15M |
|
Color |
Dark
Blue |
Dark
Blue |
|
Density
range (lbs/ft³) |
1.20
to 1.45 |
1.25-1.40 |
|
Porosity
(Pores per inch) |
8-18 |
14 |
|
Air
pressure drop
(in. wg.) |
0.140-0.230 |
0.20 |
|
Tensile
strength (psi) |
10
min |
19 |
|
Ultimate
elongation (percent) |
100
min |
170 |
|
Tear
resistance (psi) |
3
min |
4.0 |
|
Constant
deflection compression set (percent) |
30
max |
15 |
|
Compression
load deflection at 25% (psi) |
0.35
min |
0.55 |
|
Compression
load deflection at 65% (psi) |
0.60
min |
0.90 |
|
Fuel
displacement (volume percent) |
2.5
max |
<1.0 |
|
Fuel
retention
(volume percent) |
2.5
max |
2.1 |
|
Flammability
(in/min) |
15
max |
13 |
|
Extractable
materials (wt. percent) |
3.0
max |
2.6 |
|
Volume
increase
(volume percent)
Type I Fluid
Type III Fluid
JP-4 turbine fuel |
15
37
25 |
10
23
16 |
|
Low
temperature flexibility |
No
cracking or breaking of strands |
|
Entrained
solid contamination (mg/ft³) |
11.0
max |
9.2 |
|
Steam
autoclave exposure
(percent tensile loss) |
30
max |
17 |