Dissolve the soap in part of the water, heating to obtain solution. Add the rest of the water and cool to room temperature. Add the ammonium carbonate, stir until dissolved, and then stir in nonionic NPX and "Carbowax" polyethyleneglycol 400. Add the abrasives and stir until thoroughly mixed and a smooth paste is obtained. The polish will become somewhat stiffer on standing several days. The amount of abrasives can be varied to obtain the desired viscosity.
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