Document wv0nMY14O8x59R7bmzKVYyL4

CODE (A)NF-130-D NAME Silver Blake l o t io 4-49F DATE 2-4-66 CHARGE WRITTEN BY E. F. Klenke, Jg, o bj ec t : To prepare a sliver flake product using glass flakes as the substrate STEP-VAT PROCEDURE .l Into 9000 cc water at 80F. dump 1950 eras. glass flakeB (the equivalent of 0U-2351-B! ' 2 , Over a 2 hour period add 92.5 gms. T10~ (using "L11 liquor) _________ .". ` . N- 3 Heat to boll at lOVrainute rate and hold at boil 1 hour. 4 Filter, wash to 1500 ohms (essentially sulfate free) '' , . 5 Reslurry in 20,000 cc water at 25-25C. 6 Add clear Sodium Silicate to pH 9.0-9.5 (ca 240 ns. of 28.4# Si02 soln.) 7 Heat to 90C . and hold 1 hour at 88-92C, . / ............. ....... :.......... 8 Filter and wash with 4000 cc water. 9 .. Dry . , ' . . '... ......... # USE ox. ANALYSIS w* / // x.4i4e^- - . :' . /* ^ ................! c 2070SOAL, gras CUWIfc '. 1 K-140S7 * OBI MO . ** ........ I Ut-V.l "* V... . aPEEP: Mao s Bn, H0T1'> This product is a silver flake, considerably more intense and brighter than NF-10^-D. It has the gen eral properties of NF-104-D except a lower melting point of about 750C. The final product contains 4.7$ TiOg and has the fol lowing size distribution; trace + 40 mesh 74$ - 40+200 mesh 11.9$ - 325 esh E. KLENKE DUP050053727