MIL-PRF-85036B(AS)
3.7 Workmanship. Barrier material surfaces shall be free from any foreign matter. The
barrier material edges shall be cut and trimmed of any selvage. Barrier material shall be free from
holes, tears, cuts, sharp creases, wrinkles, or other imperfections (see 4.3.2.1).
3.8 Performance requirements. The performance of the barrier materials shall meet the
requirements specified in table I, when tested in accordance with 4.6.
TABLE I. Performance requirements.
TEST
CHARACTERISTICS
REQUIREMENTS
PARAGRAPH
Seam strength (face to face seal)
4.6.2
1. Sealed as received:
a. At room temperature (separationinches)
No separation
b. At 100 °F and 160 °F (separation-inches)
1/4 max
2. Sealed, then aged 12 days at 160 °F:
No separation
a. At room temperature (separation-inches)
b. At 100 °F and 160 °F (separation-inches)
1/4 max
3. Aged 12 days at 160 °F, then sealed:
No separation
a. At room temperature (separation-inches)
b. At 100 °F and 160 °F (separation-inches)
1/4 max
Seam strength (face to back seal)
4.6.3
1. Sealed as received:
a. At room temperature (separation-inches)
No separation
b. At 100 °F and 160 °F (separation-inches)
1/4 max
2. Sealed, then aged 12 days at 160 °F:
No separation
a. At room temperature (separation-inches)
b. At 100 °F and 160 °F (separation-inches)
1/4 max
3. Aged 12 days at 160 °F, then sealed:
No separation
a. At room temperature (separation-inches)
b. At 100 °F and 160 °F (separation-inches)
1/4 max
Seam fabrication (face to face seal)
No leakage at
4.6.4
double seam
junction
Aging resistance
No delamination
4.6.5
Oil resistance (delamination)
No leakage,
4.6.6
swelling,
delamination, or
embrittlement
4
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