PROCESS FOR PREPARING ZINC PHOSPHATE COATINGS CONTAINING MANGANESE AND MAGNESIUM

摘要

PCT No. PCT/EP90/00919 Sec. 371 Date Dec. 16, 1991 Sec. 102(e) Date Dec. 16, 1991 PCT Filed Jun. 12, 1990 PCT Pub. No. WO90/15889 PCT Pub. Date Dec. 27, 1990.Magnesium on steel, zinc, aluminum and/or the alloys thereof by spraying, spray-immersion and/or immersion with an aqueous solution.