Document vVqkK81rkR1kegEd7r5Lr404m

GLIDDEN-DURKEE PROM* Mr. R. H. Ruzicka Nov. 15, 1972 CITY* Strongsville, DPJRC SUBJECT* LEAD-FREE DRIER SYSTEMS BOUSE PAINT FORt - ->Mr. S. T. BoweXl cc: Mr. R. P. Shong Mr. F. G. Hidalgo Mr. C. W. Wright - UCB Mr. w. M. Tome Mr. J. E. Southwick Mr. R. W. Green Dr. H. J. Kiefer - UCB Mr. G. Tj . Bechtel - u c b Mr. H. (} Beck - UCB Mr. E. B. Euchner Six month check - TM-110B addendum. The 6 month drier check was run only in the environmental room at 50 F. end 70% R.H. Loss of dry vras proportional for both the standard and lead-free systems indicating good shelf stability. Paints with Mooney feeder drier #30 were wet after 34 hours in the environmental room, while paints with E-399 (Troykyd perma-Dry) dried in relation to their initial dry time rates. Further testing of Mooney #30 will be discontinued. Paint will be checked again after one year. RHR/ab Roy H. Ruzicka GLD007138