MIL-DTL-23053/7C
Physical properties. - Continued
TABLE II.
Characteristic
Requirement
Test procedure and conditions
Seam strength,
25 (450)
4.6.2 ASTM D882, Method A
Class 1, PPI
(Kg/m), minimum
Tensile strength,
20,000 (138)
4.6.13 ASTM D638, 20
psi (MPa), minimum
inches/minute
Ultimate elongation,
50
4.6.13 ASTM D638, 20
percent, minimum
inches/minute
Dielectric strength,
2,500 (98.4)
4.6.2 ASTM D2671
volts/roil (Kv/mm)
minimum
1014
Volume resistivity,
4.6.2 ASTM D876
Ohm-cm, minimum
Specific gravity,
1.3
4.6.2 ASTM D792
minimum
Corrosion
4.6.10.1 and 4.5.10.2
No corrosion
155 ± 20C (311° ± 4°F),
16 hours
Low temperature
No cracking
4.6.7.1 -60° ± 1°C
flexibility
(-76° ± 2°F)
Water absorption,
0.8
4.6.2 ASTM D570, 24 hrs
percent, maximum
at 23°C
Heat resistance,
4.6.8 150° ± 2°C
properties after:
(302° ± 4°F), 336 hours
Tensile strength,
Class 1 - 18,000
4.6.13 ASTM D638, 20
psi (MPa), minimum
inches/minute
(124)
Class 2 - 13,000
(89.7)
Ultimate elongation,
4.6.13 ASTM D638, 20
Class 1 - 55
percent, minumum
Class 2 - 40
inches/minute
5
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