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Zinc phosphate-containing surface conditioning agent phosphate conversion-treated steel plate and painted steel plate, and zinc phosphate dispersion
Zinc phosphate-containing surface conditioning agent phosphate conversion-treated steel plate and painted steel plate, and zinc phosphate dispersion
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机译:含磷酸锌的表面调节剂,磷酸盐转化处理的钢板和涂漆钢板以及磷酸锌分散液
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摘要
A zinc phosphate-containing surface conditioning agent to be used for surface conditioning as pretreatment for zinc phosphate conversion coating of a metallic material, which contains from 500 to 20,000 ppm of zinc phosphate and which has a pH of from 3 to 11, wherein said zinc phosphate has an average particle size of at most 3 &mgr;m and D90 of at most 4 &mgr;m.
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