46 CFR § 164.015-3
Material and workmanship
April 15, 2021
(a) The unicellular plastic foam shall be all new material complying with the requirements of this specification. The results of the tests described in §164.015-4 shall yield property values within the limits shown in Table 164.015-4(a).
(b) The unicellular plastic foam shall be produced in sheet stock or molded shapes.