Organic phosphatizing composition and system for using it

Details Organic phosphatizing composition and system for using it Organic phosphatizing composition and system for using it

C - Chemistry, Metallurgy

23

C

148/17, 32/78

C23C 22/03 (2006.01) B05C 3/10 (2006.01) B05C 9/08 (2006.01)

Patent

CA 2003639

ORGANIC PHOSPHATIZING COMPOSITION. AND SYSTEM FOR USING IT ABSTRACT The composition comprises two or more mixed solvents having a flash point higher than 65°C and a vapor tension, at 20°C, lower than 2 mm Hg, which comprises 85 ? 99% of the composition. The composition also comprises polyphosphates, in- cluding acid phosphates and/or free phosphoric acid and possible surface active agents, in an amount of 1 - 15%. The phosphatizing system comprises a pro- cessing section, a blowing section and a drying sec- tion, as well as a solvent recovery section.

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