MIL-DTL-23053/6D
TABLE II. Physical properties. 1/ - Continued
Characteristic
Requirement
Test procedure and
conditions
Flammability
Class 1 only -
4.6.14 Procedure B
self-extinguishing
ASTM D2671
within one minute
and no more than
25 percent of
in-dicator flag
burnedor charred.
No dripping or
flowing of large
sizes;
Class 2 - N/A
Fungus resistance 2/
4.6.2 ASTM G21
No Growth
1/ Unless otherwise specified, the requirements, test procedures and con-
ditions are for all classes.
2/ MIL-I-23053/6 materials do not normally support fungus growth. Perform-
ance of this requirement is at the option of the acquiring activity
(see 6.2).
3/ Dielectric constant is a requirement only when specified in acquisition
document (see 6.2).
Storage life conditions: Supplier shall certify to storage at 18° to 35°C (65°
to 95°F) for 5 years. Conformance to 3.5. See 3.5.2 for storage life extension.
NOTE:
a.
Flammability - Class 2 heat shrinkable sleeving
described in this specification sheet have not been
flame retarded and will burn readily. These sleevings
(Class 2) shall not be considered for acquisition when
flame resistance is an essential requirement.
Intended use: Heat shrinkable semi-rigid polyolefin sleeving is used in wire
identification by marking or strain relief applications.
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