NAVY MIL-P-21929 C-1991
PLASTIC MATERIAL, CELLULAR POLYURETHANE, FOAM-IN-PLACE, RIGID (2 POUNDS PER CUBIC FOOT)

Standard No.

NAVY MIL-P-21929 C-1991

Release Date

1991

Published By

United States Navy

Scope

This spr.xilicat ion covers only one class of foam, nominal density — 2.0 pounds per cubic foot (lb/ft3), rigid unicellular polyurethane foam, and the materials required for preparation by the foam-in-place technique.