Document dY67RVw2kDepoJRZ8ZBR7mapB

TO: =151 Research - K. S. Freeman FROM: *470-4 B. A. Wittrup SUBJECT: MATERIAL SAFETY DATA SHEET . April 13, 1977 Would you please send a data sheet on our K-FAC 19 to: Mr. R. Nold P.F.G. Industries 500 Third Avenue Ford City, PA 16226 Thanks. BAW:mg fhvn cc: 470-4 M. M. Wilson ZJOO 1451 :-65i0 United States Gypsum Company