ANTIFREEZE COMPOSITIONS CONTAINING INHIBITORS TO PREVENT LOCALIZED CORROSION OF ALUMINUM AND SOLDER ALLOY CORROSION

摘要

ANTIFREEZE COMPOSITIONS CONTAINING INHIBITORS TO PREVENTLOCALIZED CORROSION OF ALUMINUM AND SOLDER ALLOY CORROSIONAbstract of the DisclosureThis invention relates to antifreeze concentratesand coolant compositions for use in contact with metalscomprising aluminum and/or solder alloys comprising lead andtin. The antifreeze concentrates and coolant compositionscontain alkali metal halides as contaminants, at least oneinhibitor to prevent localized corrosion of aluminum and/or atleast one solder alloy corrosion inhibitor.