Rust-Preventive Coating
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United States of America Patent
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Issued Date -
Jun 6, 2013
app pub date -
Dec 5, 2012
filing date -
Dec 6, 2011
priority date (Note) -
Abandoned
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Abstract
A rust-preventive coating comprises a zinc-containing coating obtained by heating a liquid layer comprising a zinc-containing inorganic-based paint that contains: an inorganic binder including an organic silicon compound and an organic titanate compound; and a metal-based powder, wherein the metal-based powder comprises aluminum-based powder and zinc-based powder, and this aluminum-based powder is such that a particle size D50 when a percent passing by weight is 50% in a particle-size accumulation curve is 10 μm or more and 20 μm or less, a leafing value is 70% or more, and a mass ratio to the metal-based powder is 10 mass % or more and 40 mass % or less.
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