Powder mixture for making an undercoating agent for steel surfaces
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United States of America Patent
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Feb 28, 1995
Grant Date -
N/A
app pub date -
Sep 27, 1993
filing date -
Nov 27, 1990
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Abstract
The invention concerns a zinc-containing corrosion-protecting undercoating agent for steel surfaces. The undercoating agent, which contains no organic solvents, consists of a mixture of dry, water-emulsifiable dispersion agent in powder form and water-reactive zinc in powder or flake form which are mixed with water immediately before treatment. The corrosion-protection properties of undercoating agents prepared in this way are as good as those of prior art single-component zinc-dust undercoating agents using only organic solvents.
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