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Lubricants-Namely, a Graphite-Containing Paint for Coating Sand Bins, Hoppers, Chutes, Conveyors, Tun Dishes, Metal Molds, Metal Spouts, and Other Applications Where Dry Lubrication or Non-Wetting Properties of Graphite Are Advantageous to Keep Powdered or Granular Material from Adhering to the Surfaces of Such Articles