MIL-PRF-53068B
TABLE I. Characteristics of coating compounds.
Test paragraph,
ASTM or applicable
Item
Property
Requirement
test method
1
Tensile strength (initial)
1500 pounds per square inch
D 412
(psi) (minimum (min))
2
Ultimate elongation
300 percent (%) (min)
D 412
3
Tensile strength after
immersion in distilled
water at 160±2 degrees
Fahrenheit (°F) for the
following durations:
80% of initial
D 471
14 days
70% of initial
D 471
42 days
4
Resistance to light after
75% of initial tensile strength
D 750 2/
750 hours accelerated
weathering at 10%
elongation 1/
5
Taste and odor 3/
Threshold odor number shall
APHA Standard
not exceed 2. The Taste
Methods for
rating scale value shall not
Examination of
exceed 4.
Water and
Wastewater
1/ Applicable to all exterior compounds. That is, compounds between the nylon cloth and the
outside of the tank.
2/ Alternate corex D filters in place.
3/ Applicable to all interior compounds.
3.3 Design and construction. The tank shall conform to the manufacturer s design and
construction for lightweight, collapsible, 160 gallon, drinking water storage and transportation
tank (see 4.5.2).
6
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