ASTM D 2341 : 1981
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
12-01-1990
12-31-2010
Outlines a class of rigid cellular materials called urethane foam or rigid cellular materials made form urethane raw materials where other sorts of repeated structural units are present for example polyisocyanurate or polycarbodimide.
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