FOAM

E&MP 90.007

Noise Control

no date

FOAM - Polyurethane foam in a liquid state is spread mechanically on a moving trough of specially treated paper.

A chemical reaction cause[sic] the material to rise, similar to the action of yeast in bread.

For: Foam Division Scott Paper Company From: Ketchum, MacLeod & Grove, Inc. Four Gateway Center - Pittsburgh, Pa. 15222 A. C. Croft - Phone: 261-5100 (#1)

(Photo courtesy Foam Division, Scott Paper Company.)

Original Caption by Science Service
^© Harry R. Gehlert