CHROME-FREE AND ZINC-POOR ANTI-CORROSIVE PIGMENT MIXTURE AND METHOD FOR THE PRODUCTION AND USE THEREOF

摘要

The invention relates to a chrome-free and zinc-poor anti-corrosive pigment mixture (A) comprising (a1) 30-60 % by weight at least one type of calcium hydrophosphate pigment, (a2) 15-45 % by weight at least one type of amorphous calcium modified silicon dioxide, (a3) 5-25 % by weight at least one type of calcium borosilicate pigment, 1-15 % by weight at least one type of organic nitro compound zinc salt, wherein the zinc content (A) is equal to or less than 10 % by weight. A method for the production and use of the inventive mixture is also disclosed.