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|  MIL-P-46067B(MR)
Table I. Property values
Value
Property
Composition 1
Composition 2
Composition 3
Liquid without hardener :
Viscosity at 25 0.5 .
C
(77 0.9 .), centipoises
F
500
9,000
9,000
Min.
900
22,000
22,000
Max.
1/
1/
1/
Weight per epoxy equivalent
After casting:
Specific gravity
1.13
Min.
1.59
1.59
1.23
Max.
1.69
1.69
Hardness, Barcol units
20
Min.
50
50
40
Max.
60
60
Ignition loss, percent
N.A.2/
Min.
48
48
N.A.2/
Max.
52
52
Insulation resistance,
105
105
105
Megohms, min.
3/
Flexural strength,
MPa (psi) min.
103 (15,000)
68.9 (10,000)
68.9 (10,000)
Tangent modulus of
elasticity, 3/
2760 (0.4 x106) 6210 (0.9 x106) 6210 (0.9 x106)
MPa (psi) min.
1/
The weight per epoxy equivalent shall be agreed upon between supplier
and procurement activity, unless a value or range is specified by the
procuring activity (see 6.2).
2/
Not applicable.
3/
Metric abbreviation MPa = megapascal.
4
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