PPP-C-1797A, FEDERAL SPECIFICATION: CUSHIONING MATERIAL, RESILIENT, LOW DENSITY, UNICELLULAR, POLYPROPYLENE FOAM (01 SEP 1982)

PPP-C-1797A, FEDERAL SPECIFICATION: CUSHIONING MATERIAL, RESILIENT, LOW DENSITY, UNICELLULAR, POLYPROPYLENE FOAM (01 SEP 1982)., This specification covers a low density, resilient, unicellular (closed cell) polypropylene foam material for use in cushioning and packing applications. It is useful throughout a temperature range from -65 Deg. F (-54 Deg. C) to 160 Deg. F (71 Deg. C) (see 6.1).