A coating composition containing45 to 80% by weight of a binderand 20 to 55% of a carrier liquid;wherein the binder comprises anacrylic polymer comprising polymerized hydroxyl containingmonomers; and an organiccrosslinking agent.
IUCTROSTAnc POWDI. COAnNGAPPARATUSU.S. Patent 5,915,621. June 29, 1999K. Yanagida et al., assignors toNippon Paint Co. Ltd., Osaka, andNihon Parkerizing Co. Ltd., Tokyo,both of JapanAn electrostatic powder coatingapparatus adapted to form a coating film by spraying electrostatically charged powder toward asurface of an electricallygrounded product to be coated;
wherein a nozzle tip of the spraygun includes powder adhesionpreventing means and the powdersupply unit comprises a fluid-bedtype hopper vertically partitionedby a porous member to definetherein an upper fluidizing container and a lower air chamber,and includes temperature/humidity control means for adjusting atemperature and humidity ofcompressed air supplied to the airchamber and means for stirringthe powder in the fluidizing container.
flXAnON AND STABlLlZATIM OfMITALSU.S. Patent 5,916,123. June 29, 1999D. Pal and K. W. Yost, assignors toStevenson Environmental ServicesInc., Niagara Falls, N.Y.
A method of treating metal-bearing material to stabilize leachablemetal contained therein comprising mixing with a treatment additive comprising a first componentand a second component whereinthe first component supplies atleast one member from the groupconsisting of sulfates, halites, silicates, and calcium oxide, andwherein the second componentsupplies at least one phosphateanion; and curing the mixture fora period of time so the leachablemetal level is below 5.0 mg/L, andthe volume is reduced as a resultof treating and curing.
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