To provide an organosiloxane corrosionproof coating exhibiting good adhesion to the ground by incorporating a pollution-free rust-preventive pigment which contains no heavy metals and exhibits corrosionproof performances equal or superior to those of lead compounds or chromic acid compounds.
The organosiloxane corrosionproof coating composition comprises the pollution-free rust-preventive pigment, which contains calcium condensed phosphate obtained by firing at 180-350°C a single compound or a mixture comprising a calcium component and a phosphorus component with a calcium to phosphorus atomic ratio (Ca/P=m) in the both components of 0.50 COPYRIGHT: (C)2006,JPO&NCIPI
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Goji Matsumoto
Takashi Matsuda
Osamu Ogawa
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