MIL-PRF-23586F
TABLE I. Physical properties after cure. - Continued.
Requirements by type
Characteristics
Test paragraph
I
II
III
Oil immersion 72 hours at 100°C, change in:
+5
Weight, %, maximum
+10
Volume, %, maximum
4.7.14
-10
Hardness, points, maximum
-25
Tensile strength, %, maximum
-25
Elongation, % from original, % maximum
Heat aging 72 hours at 204°C:
4
Adhesion, pounds, minimum
Change in:
±10
4.7.15
Hardness, points, maximum
Tensile strength, %, maximum
-25
Elongation, % from original,
-25
%, maximum
3.3.2.4.1 Shelf life extension (for field use). The field storage life of these compounds may be
extended an additional 3 months providing the requirements specified in 3.3.2.4 are met. The
method of examination shall be as specified in 4.7.18.1. Material may be tested again after 3 more
months storage. If acceptable, extend the storage period an additional 3 months.
3.3.2.5 Electrical properties. The electrical properties of the cured sealing compound shall
conform to the requirements in table II.
3.4 Unit of issue. In order to interface with existing equipment and meet the required storage
characteristics, the sealing compound unit of issue shall be in kits as follows:
a. 1 pint and 1 gallon kits - Base compound filled to 75 percent by volume in multiple
friction top 1 pint or 1 gallon metal containers with the appropriate amount of curing
agent in smooth, vertical, glass lined or plastic lined jars with screw cap (to facilitate
removal of the curing agent).
b. 2½ ounce and 6 ounce sectional type (see 6.7) kits - The total content (base compound
and curing agent) shall be 2 fluid ounces in the 2½ and 3½ fluid ounces in the 6 ounce
sectional type container. The volume tolerance shall be ±1/8 fluid ounce.
c. 5 gallon kit - The base compound shall be supplied in 5 gallon metal containers with
sealed crimped lids. Appropriate amounts of curing agent shall be in multiple friction top
metal containers. Appropriate amounts of the supplier recommended primer shall be
furnished in containers compatible with the primer. The ratio of the quantity contained in
the base compound container to the quantity contained in the attached curing agent
container shall be the same as the recommended mixing ratio of the base compound and
curing agent.
6
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