Document zd1mBmd3qrg97NL4KjYboBNwn

8orial No. &46-36 OtPjr Mo. 1 Copy tot #1 Numerical Vile 2 * Research Office (221.32) 3 - Library File (221.32) 4 #10 Building rile 5 * Xwperlal Chea&oal Industries. Ltd. 6 " |# It tt 8 - W. F Speagosan 9 - Extra NEWARK PLANT FIGMENT COLOR RESEARCH REPORT Progress Report Title* MAROON TONER RT-436-D* BElDWORKB TRIAL Of IMPROVED TEXTURE FORMULA. K-2253. Period Covered* February 1946. SUBMITTED BY* M. 9. Taber APPROVED BY t J. 0. Me^riSI DATE SUBMITTED* 7/2/46 DATS I66UKED t 7/11/46 N40007 E. I. DU PONT DE NEMOURS & COMPANY PIGMENTS DEPARTMENT 256 VANDERPOOL STREET NEWARK, NEW JERSEY Serial No. KN-46-36 Copy No. 1 LIBRARY COPY ... , Z ^ NEWARK PLANT PIGMENT COLOR RESEARCH REPORT MfiROON TONER RT-436-D1 SEME-WORKS TRIAL OF IMPROVED TEXTURE FORMULA, K-2253. Period Covered t February 1546. FILE: DATE: 7/11/46 NJ9099 N40007.01 DUP050150476 xmsmm K-2253 is * dark*fteteae RT-530-D laboratory formula developed to match RT-436-D tlaeterlally in laquor* The depth ie gained bjr adding l of pignent Green Bj the standard magneiiua naphthenato treatment of RT-530-D is retained; to provide the preduet with easy grinding eharaeteristlee* Only one eeaiwerka bateh, let 8650, hae been made* By Control Laboratory evaluation the product it dark and dull in laqtter versus RT-436-D1 by paint Laboratory evaluation (FM Report #6$) it io vs light and we yellov* By rubout let 8650 vae etreng against RT-436-D, Rf530*D and K2253. No texture evaluation hae been made to date* Further development work will bo under direct laboratory eupervision. Let 8650 DSN 46*10 DUP050150478