ACI-50 is an efficient universal acid inhibitor for use in hydrochloric acid and in formulations which combine hydrochloric acid with other acids, such as acetic, formic or hydrofluoric acid. 

It provides effective protection of tubulars and downhole equipment in bottom hole temperatures to 250°F (121°C), and with use of intensifiers can provide protection at temperatures up to 300°F (149°C). It provides good acid corrosion inhibition performance on J-55, N-80 and CR-13 steels.