Document J318OJzoYDwDbn2MYgXmJKOna

CLASS 6800 Lead Pigments and Miscellaneous Whites 68C0-6809 Basic White Lead (Carbonate) and Basic Lea 6810-6819 Basic Lead Sulfate 6820-681;9 Leaded Zinc Oxide 6850-6859 Antimony Oxide Pigments 6860-6899 Any Other White Pigments Page 68-! April 1, 1955 0007-PMC-000000355 Page 68-2 April 1, 1955 Miscellaneous White Pigments Number Name 6805 6801 682 0 6815 68a 2 635C White Lead Silicate White Lead Sublimed White Lead Sublimed Blue Lead Normasal Material Basic Lead Carbonate Basic Lead Silicate Basic Lead Sulfate(15-28/6 PbO) Basic Lead Sulfate(30-l40js PbO) n-Lead Salicylate Antimony Trioxide Oil Absorption Bulk S-W 1*19.1 G/100# 9-13 15 16 it* 35 1.77 3.00 1.88 1.77 5.92 2.13 Leaded Zinc Oxides 1. Vtw. V, .wiiUU.. AC D'jcc#N 58Ch 6806 6828 6610 Atff Basic Lead Sulfate 12 12 18 18 35 68Lu 6812 6315 6846 35 35' 50 - 50 % Zinc Oxide 88 88 82 82 65 65 65 50 50 Remarks Oil Absorption Bulk S-W 10.9.1 G/lOOff Uncalcined, Unground (See Remarks) 12-13 ' 12-13 11-13 2.12 2.12 2.12 2.06 Reheated 68UO Off-color 6810 Off-color 68i+5 211L2 10-21 11-12 2.06 2.06 2.02 2.00 0007-PMC-000000356 Page 68-3 April 1, 195? Remarks 6805 Basic lead carbonate produces durable exterior paints without Idle use cf other pigments. It also imparts adhesion, toughness, and elasticity. 6801 Basic lead silicate is similar in general usage to other' lead pigments, but is particularly cf note for its low specific gravity. 6810 White basic lead sulfate imparts the same properties as basic lead car bonate but not as effectively. It is used in combination with, other pig ments . 6815 Blue basic lead sulfate has a slate-grey coloration due to presence of lead sulfide and carbon. It is used in metal protective paints and primers to inhibit corrosion. 6850 Antimony oxide is used to further the -non-cbalking properties of titanium dioxide. It is used in high grade automotive x'inishes to attain high floss, durability, and permanence. 68A2 Normal lead salicylate is said to improve resistance to moisture, light, and heat without impairing drying, to increase gloss retention, and to retard chalking. It functions as an ultra-violet light barrier in nonalkyd systems. 68C6 Co-fumed leaded zinc oxide with a highly efficient lead component. It is designed to replace leaded zinc oxide, 35%, on an equal zinc oxide basis. This means that b# cf 68C6 are equivalent in zinc oxide and available lead to 5# of leaded zinc oxide, 35% or a similar combination. A slight deficiency in bulk will result. This should be made up by add ing extender. No change in hiding power should result. Beaded zincs represent combinations of basic lead sulfate and zinc oxide. Co-fumed supplies have rounded particles, physical blends are acicular or mixed. 0007-PMC-000000357