marine life.
c.
Fabricated form shall be virgin resin.
2.1.11.2
Resin
a.
ASTM D 4020. Virgin resin shall be homopolymer of ethylene and
have an intrinsic viscosity (IV) between 22.0 and 28.0 dl/g.
b.
No reprocessed resin shall be used.
c.
Resin shall be oil and moisture free (0.2 percent weight maximum).
2.1.11.3
Composition and Fabricated Form
a.
Resin shall comprise a minimum 95.0 percent by weight
concentration in the formulation.
b.
The finished form shall maintain ultraviolet stability for a
minimum of 25 years and be free of saltwater or petroleum product
leachable materials.
c.
No unfused areas or light patches greater than 300 micrometers No.
50 sieve shall be in the final fabricated form.
d.
The fabricated form shall have the following properties:
Density (ASTM D 792)
57.5-58.7 lb/cu.ft
Tensile Strength (ASTM D 638M)
Ultimate, minimum
31.7 MPa
Ultimate Elongation, minimum
250 percent
Impact Strength (ASTM D 256)
Test Method A, Izod
Non-break for all five
determinations in sample
Hardness (ASTM D 2240), minimum
Shore D 65
Coefficient of Friction (ASTM D 1894)
Kinetic, maximum
0.13
Static, maximum
0.20
Water Absorption (ASTM D 570)
Nil
Abrasion Index (relative to steel = 100),
maximum
10
Density (ASTM D 792)
0.92-0.94 g/cc
Tensile Strength (ASTM D 638)
Ultimate, minimum
4600 psi
Ultimate Elongation, minimum
250 percent
Impact Strength (ASTM D 256)
Test Method A, Izod
Non-break for all five
determinations in sample
Hardness (ASTM D 2240), minimum
Shore D 65
Coefficient of Friction (ASTM D 1894)
Kinetic, maximum
0.13
Static, maximum
0.20
Water Absorption (ASTM D 570)
Nil
Abrasion Index (relative to steel = 100),
maximum
10
e.
Color shall be black.
SECTION 02395
Page 13
Previous Page
