MIL --- PRF --- 51483A(EA)
TABLE I. Physical properties
Property
Requirement
Test Para-
graph
Unaged
Aged*
a. Hardness (Durometer A)
65±5
65±5
4.4.2.2.3
b. Tensile strength (lb/in2)
1250 min avg
1250 min avg
4.4.2.2.4
c. Tear strength (lb/in)
100 min avg
100 min avg
4.4.2.2.5
d. Brittleness
No cracks, fissures,
4.4.2.2.6
crazing, or ruptures
Loss in weight ≤ 1.0%
e. Volatile loss
4.4.2.2.7
due to volatiles
f. Viscosity (centipoises)
2500±1000
4.4.2.2.8
*Aging conditions are defined in 4.4.2.2.2.
3.4 Instruction sheet. The first article lot shall be accompanied by an instruction sheet
containing the following information:
(a)
Title, number, and date of this specification
(b)
Materials designation
(c)
Recommended storage conditions
(d)
Estimated shelf life under recommended storage conditions to maintain required
viscosity
(e) Other information considered useful by the manufacturer or specified by the
procuring activity
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classi-
fied as follows:
(a) First article inspection (see 4.2)
(b) Conformance inspection (see 4.3)
General methods used to accomplish verification include examination, analysis with certifica-
tion, demonstration, and test. The manufacturer may submit alternative methods, techniques,
4
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