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Cross Index:
30 Lin V/-43 "TlPure" R-510 W-2S "Ti-Pure" E-110
CO: Mr., I. W. Illff, Lab. MMXr*i Cv . K. Eu,# Mmaprb4le*, L*ab. Drr*. Paul Eobinasoh* Laabb. Mr, E*, 0c. Fitzgerald, Lj ab* Mr. B. L. Mansi, Lab*
Philadelphia Laboratory April 13, 1950
obtained with the above lot of "Z" Pigment as a replacement for Y/-43 "Tl-Pure" E-510 in current Brush ttDneon type fbaSanlatlon, This lot is not representative of the ultimate material to be used in large scale plant evaluation which is Ideatifled as Lot 0-3203 and which its evaluation will be covered in separate report,
2* This pigment was tested in both the white and an intermediate shade (lade Green) and as an added control, W-28 was also Included in the evaluation.
Summary;
(a) Initial results have Indicated this pigment to be a closer duplicate to W-28 rather than w-43 partioularily with re spect to gloss retention.
(b) The table attaohed will show the results of the tests thus far completed.
Details;
(a) The above enamels were cut to equal solids,
(b) These enamels are exposed for ID and Y1 evaluation (series Ho. 11320) and for exterior .durability (Series Ho* 11328).
> (c) The above experiments are recorded in Book Ho. 5157,
BIM;hfm ATTACH;
PHILADELPHIA LABORATORY
N35409
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