Document rVp521GQw8KmvqmNv6Yq5vNV

PROPERTIES AS USES BHD raaAfl ;y,. .......... ...... ................. .........-------- - ----- ----* ^4--. fm mmsim & i 4s s iag h eb c h emic al c o mpaj ? , , ? i" Bulletin Bo, 53 library, Beu YorfcOffioe, 11, September,1922. Bed head. plumbic tetroxide, Pt?0,, It is Iso fcaom as: minima," orange mineral, mineralbrlnge, Paris ret, Saturn oimnabar, in German as: Bleiroht, Blelzinnober, Goldsatinober, Mennige, Mennie and turoMaches Mennige. YarieHes There are several varieties depending on the color, fineness and raw material need in the manufacture of the material. She ordinary red lead is made from litharge, while the orange mineral is made from white lead with finer control of temperatures. It is the better product, having a fine color, and is more expensive. properties It is a heavy crystalline granular powder; specific gravity 8.62 to 9.19. She color varies from a brilliant scarlet red to range red due to impurities in troduced through the raw material. It fuses at a slightly lower temperature than white lead. She value depends on the color and fineness of tho particles. Impurities Commercial red lead may contain metallic lead, lead"'sulfate, litharge and also oxides of antimony, tin, copper and iron. She material is sometimes adulterated with oxides of iron, rod bolo, powdered heavy spar and brick dust, mm Cements Enamelfii - in art enamels which are chiefly mixtures of rod load, nitre and flint. Glass - ons of the chief constituents of flint glass where it also acts as a decolorant of iron compounds Glazes - in pottery and earthenware manufacture as a flume: giving a yellowish tinge to the glaze, lead peroxide - which is used in the manufacture of storage batteries, lute - in pipe fitting. Medialuai-for lead salves. Paints - fur preservative paints, for structural steel and iron, ocoasionslly in artists paints, Bwbher - in the manufacture of rubber. Sealing wax' Tarnish - as a drier. Consumption The production of red lead has steadily inoreased iffthe United States amounting to 20,036 short tons of red lead and orange mineral valued at $3,933,666 in 1916. Is 1918 and 1919 It amounted to stout 30 ft mors tfeas f|,00,000., is 1980 34,401 7,823,009. tona valued valued st Year 1910-17(s t ) 1919 1919 1980 1921 (9 mpa) Imports ?OUSd* 570,381 7,199 23,076 6,176 . Talus $16,078 1 1,136 1,789 339 malt Talus 0.20 0.16 0.08 0.06 Eacporta 1918 8,7397119 1919 6,287,797 1980 3,063,030 1921 (f mos) 949,290 663,684 786,177 866,878 101,688 iflor to 1918 tbs produotios of oraags mineral toasted, to afcout 600 abort tona. 1910-17 (av) 1919 1921 (9 moa) Imports pounds 317,206 39,781 62,094 72,232 ^ Talus $20,098 6,082 8,862 7,386 unit Talus 0.13 0.10 0.10 fboas figures avo from tbe Summary of tariff Information 1921, ioapootfully submitted, Wm. A. Eamann, Jr. DUP050028639