Vehicle for metal-joining paste, said paste and brazing or soldering process using said paste

摘要

Improved soldering or brazing paste composition comprising a metal alloy powder and a vehicle therefor have been developed. The vehicle comprises hydroxypropyl cellulose blended with glycerine and_/or water further blended with a mixture of polyalkoxyalkanols. Saidvehicle is totally fugitive, leaving exceptionally low residue and maintains stable viscosity during extended storage.