MIL-DTL-23053/4D
TABLE II.
Physical properties. - Continued
Characteristic
Test procedure and condition
Requirement
Dielectric strength,
Classes 1 & 2
4.6.2, ASTM D2671
volts/roil (Kv/mm),
500 (19.7)
minimum
Class 3 - 300
(11.8)
Class 1 - 1 x 1015
Volume resistivity,
4.6.2 ASTM D876
Ohm-CM, minimum
Classes 2 & 3 -
1 x 1012
Flammability
Class 1 - N/A;
4.6.13 Procedure B
Classes 2 & 3 -
ASTM D2671
self-extinguishing
within one minute,
no more than 25
percent of
indicator
flag burned or
charred
Corrosion
4.6.10.1 and 4.6.10.2
No corrosion
121 ± 2°C (250 ± 4°F)
for 16 hours
Class 1 - 0.5
Water absorption,
4.6.2 ASTM D570, 24 hrs
percent, maximum
Class 2 - 0.5
at 23°C
Class 3 - 1.0
Heat resistance,
4.6.9 3/
properties after:
Visual inspect
No dripping,
and bend test
flowing of outer
wall. No cracks
Fluid resistance,
4.6.11
properties after:
Tensile stength,
Classes 1 & 2 -
psi (MPa), minimum
1,000 (6.9)
Class 3 -
900 (6.2)
4
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