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Density Control of Polyurethane Foam

IP.com Disclosure Number: IPCOM000049661D
Original Publication Date: 1982-Jul-01
Included in the Prior Art Database: 2005-Feb-09

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Minor, JC [+details]


The specific gravity of a polyurethane foam premix is monit red and controlled as a means of controlling the density, and thus the paper feed characteristics, of foam paper feed rollers.