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Mil-PRF-81705D, – Barrier Materials, Flexible, Electrostatic Protective, Heat Sealable:
1.0
Scope
1.1
This specification covers opaque and transparent heat sealable, electrostatic
free, flexible, barrier materials for the packaging of missiles, explosive powered
and electro-sensitive devices, micro-circuits, semiconductors, thin film resistors,
and associated airborne components.
Table 1: Electrostatic properties:
The decay rate shall be 2.00 seconds (maximum) re: Paragraph 4.8.3.
4.0
Quality Assurance Provisions
4.8.3.
The tests indicated below shall be conducted in accordance with the specified
methods of Fed. Test Method Std. 3010, Electrostatic Properties – Method
4046 per Note 7.
Note 7: Preparation of the test specimens shall be as follows:
Five 3 by 5 inch specimens shall be selected from the material to be tested, one
from each outside edge and one from the center. Six additional specimens shall
be cut from the same areas. Three shall be aged by exposing the specimen to
a dry atmosphere at 160° F for 12 consecutive days. The remaining three shall
be placed under a shower in a horizontal position for a minimum of 24 hours.
All specimens shall then be placed in the drying chamber for 24 hours before
testing. Report the average for the five specimens for As Received, Aged and
After Shower Exposure to the nearest 0.01 second.
APPENDIX C
(Applicable sections)
34
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