MIL-PRF-87895A(USAF)
4.5.9 Flexibility.
A strip of No. 30 gauge hot rolled steel sheet, 12 by 8 inches, shall be cleaned by washing with
benzol and thoroughly dried. It shall be coated on one side to a thickness of 1/16 inch by
flowing on the molten compound and then cooled at room temperature for a period of 48
hours. With the coating on the outside, bend the test panel rapidly 180° over a mandrel, one
inch in diameter. No cracking of any kind shall be visible after the bending test.
4.5.10 Reactivity.
The reactivity of the compound in contact with EAK and EALK explosives shall be determined
using the vacuum thermal stability test according to 5.5.5, Method 1 of MIL-STD-1751 at 100
±0.5 °C (212 ±1 °F) for 48 hours.
4.5.11 Temperature shock.
Temperature shock resistance shall be determined in accordance with MIL-STD-810, Method
503.3.
4.5.12 Temperature and humidity cycling.
Temperature and humidity cycling resilience shall be determined in accordance with MIL-STD-
331, Method 105.1 except that the test will be modified such that the minimum temperature at
any point during the test shall not be below -65 °F.
4.5.13 Glass transition temperature.
The glass transition temperature shall be determined by thermomechanical analysis.
5.
PACKAGING
5.1
Packaging.
For acquisition purposes, the packaging requirements shall be as specified in the contract or
order (see 6.2). When actual packaging of materiel is to be performed by DoD personnel,
these personnel need to contact the responsible packaging activity to ascertain requisite
packaging requirements. Packaging requirements are maintained by the Inventory Control
Point's packaging activity with the Military Department or Defense Agency, or within the Military
Department's System Command. Packaging data retrieval is available from the managing
Military or Defense Agency's automated packaging files, CD-ROM products, or by contacting
the responsible packaging activity.
6.
NOTES
(This section contains information of a general or explanatory nature, which may be helpful,
but is not mandatory.)
6.1
Intended use.
The hot melt polymeric compound covered by this specification is military unique. It is
intended for use as a protective coating for fabricated metal cases in applications where
charges of ammonium nitrate based high explosives are melt cast into the case of a weapon.
Such coatings provide a barrier to the corrosive effects of the fill upon the case and a cushion
to mechanical impact for the explosive. Additionally, the polymeric material does not contain
incompatible components such as copper, nickel, zinc, cobalt and sulfur found in natural
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