Improvements in protective coatings scions of prebaked anodes and the emerging part of these anodes.

摘要

The invention relates to an improvement OF REVESTIMENTOS PROTECTION AGAINST CORROSION AND OXIDATION HEAT ROLLER prebaked anode AND EMERGING PART OF THESE ANODOS INTENDED vats ELECTROLYSIS FOR ALUMINUM PRODUCTION BY THE PROCEDURE HALL - Heroult, claim 1 of the main patent. THE REVESTIMENTO comprises a mixture of cement aluminate CAL WEAK impurity content irritated with an alumina content at least equal to 70% ESPINELODE AND MAGNESIUM STATES WITH WATER, in the proportions indicated.