ELASTOMER PROPERTY REQUIREMENTS
Shore Hardness (Durometer)
[70 + 5] [_____]
(ASTM D 412)
Modulus at 400 Percent Elongation
[900 psi] [_____]
(ASTM D 412)
Maximum Compression Set
[25] [_____] Percent
(ASTM D 395 Method B,
Maximum Percent 22 Hr. at 158 Degrees F
Tear Resistance
[300] [_____] lb/in.
(ASTM D 624; DIE B Min. 150 lb/in)
Minimum Elongation
[500] [_____] Percent
(ASTM D 412)
Ozone Resistance
[80] [_____] H +
(ASTM D 1171 Exposure Method B;
70h Bent Loop at 100 Degrees F; 50pphm)
Low Temperature Impact Resistance
[-40] [_____] Degrees F
(ASTM D 746 Procedure B;
Non-Brittle at -67 Degrees F)
Water Absorption
[10.0] [_____] Percent
(ASTM D 471 Method B;
70h at 212 Degrees F.;
Volume Change +5 Percent
Heat Resistance
Shall exceed
(ASTM D 573; 70h at 212 Degrees F
requirements
Ch Tensile, Elong. -25 Percent,
Hardness +10
Compression Deflection Resistance
Shall exceed
(ASTM D 575 Method B;
requirements
3 S Dwell at 73 Degrees F
2.3
HARDWARE
2.3.1
Plates and Angles
ASTM A 479/A 479M, Type 316L stainless steel for plates, angles, and
miscellaneous hardware required to attach the fenders to the structure.
2.3.2
Nuts, Bolts, and Washers
ASTM F 593 or ASTM F 594, Group 2 (316 alloy) stainless steel for nuts and
bolts. ASME B18.22M ASME B18.22.1 for washers, except fabricate washers of
316 alloy stainless steel.
2.3.3
Antiseize Compound
MIL-PRF-907.
SECTION 02397
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