WASH PRIMERS DRY RAPIDLY TO A MATT FINISH WHICH IS AN IDEAL SURFACE FOR THE SUBSEQUENT COAT OF A PAINT. ETCHING OF THE SURFACE BY THE PHOSPHORIC ACID RENDERS BETTER ADHESION TO THE FILMS....
STEEL WHICH HAS BEEN SAND BLASTED RUSTS VERY RAPIDLY. TO PREVENT CORROSION, BLAST PRIMERS ARE APPLIED QUICKLY WITHIN 15 MINUTES AFTER THE BLASTING IS COMPLETE....