Document 15Z6GQK41e6Z5DB0w5ZgRmmz5

PRODUCT DEVELOPMENT REPORT PAINT, VARNISH & LACQUER LABORATORIES ' THE GLIDDEN COMPANY ~ MARCH 1949 Colo* Card. Plat White GL-57333-A was formulated for Dorn Color Card Company for us* in color card manufacture, &ie material reduces 3:1 with S-42 for spraying. Dries bard overni^it for handling, This whit is easily tinted with our 93 which, they nee regularly. It is elastic enough so that it will not chip When cut into amall swatches. ; Gray Daylite Locker Enamel OL-57504 was formulated in quality of Jl-'S-lS and match-? I ing color of 20-E-175 for W, p, Gammeter Company. Raw Materials 35$ Leaded Zinc Oxide - Leigh #6l from the New Jersey Company was compared with our regular W-6 in the Y-1800-X formula. *Dhe #6l Lei^i grind showed 8$ X.U. vs. 84 K.U, for the V-6 grind. One laboratory reported that #6l Leigh would give much higher : body readings and only recommended a 50$ replacement of W-6 with the Leigh #6l, package stability and exterior durability will be observed. Our teste have not indicated that Leigh #6l gives excessive bodying, Bskelite 0-10 Resin: Enamel0 were made over the Bpkelite suggested formulas as ; follows: W-163 #1 ribs. #2 ribs,. W-128 ! GH-185 1/2 oz. 8 os. 1/2 os, i >K Bakelite C-10 0-268 5-3/8 pt s, 4-7/8 pts. 3/4 pts, i s-43 ' 2-5/8 pts. 3-5/8 pts. p^44 j 3 I**0z* 3 L.oz. ! ; Enamels were found to have Very poor can stability, The films became brittle in a i very short time. Clear filmo of C-10 and the enamels show complete failure by 1 checking after 169 hours in the veatherometer. Tltanox RCHT ve. B-27 (W-179^_ Comparison grinds were made over both the Y-4700-B and Y-4600 formulas with thobe two pigments. No great difference could be found between the two pigments when used in these types of formulas. Competitive Enamels Red Devil Refrigerator Enamel was found to be about the earn quality as Japalao White Y-1217-N with Y-5045 a close second. It is an alkyd white and ie blued similar to Y-1217-N. Lusteron White Enamel made by Magloolor Co. This enamel is a synthetic onamel similar to Y-5045 but is not blued to the same degree. It has a viscosity of 300 seconds and shows hard brushing even when re- duced 16:1. It has similar hoi dr-out over bare wallboard that Y-5045 has. The dry : ** at qjiite as good as Y-5045, The gloss is slightly higher, and is similar to The hiding is comparable with Y-5045 and Japalac White. ..v;'-..;' HGH:mg rS : H, G, Hayward GL0012791