Document zQ2RVRGrNp13NnQN21YaBzqX7

/!' 1\ Hr. J. E Southwick Strongvlll, DPJRC Jan, 20* 1972 LEAD r e mo v a l OLID GUARD 8FRED GLOSS - BLACK Y-*551- J **r9Q9 Mr. S. T. BOMll ec -.............. Mr. R. J. Haviland~ti Mr. M. W. Malaga -#l Mr. J. O. Kingston Mr. F. G. Hidalgo Mr. W. M. Tome whan w issued tha Spred Gloaa lina reducing tha laad to below O.SK* wa Inadvertently laft out T*9W alnea It ia a relabel of Y-4551. Wa art now issuing Y-4551-J Which removes B-396, Wuact Paata, and uses R-398, cobalt 254. Tha dry ia tha earns and there was no change in other physical constants. R~3O0, Tan-Chem 2IK Cobalt Hydroxy, is approved for use in Y-4551 and y -908 in place of E-398. R-398 and E-300 are both drier feeders with 2IK cobalt and wa recommend that one code number be used for both products as they are replacements for ths lead drier feeder K-396. JRS/ab J. B. Southwick / GLD012089