CF ACID is a dry acid cleaner formulated to remove water and rust scale deposits.
C.F. ACID should normally be mixed with fresh water to form a solution of between 2.5 and 10%, depending on the extent of scaling Whenever possible, the solution should be heated to 600C. Calcium sulphates and heavy iron oxides may need stringer acid solutions. The strength of the acid can be sufficiently enhanced by adding 1 part sodium chloride (common salt) to 20 parts of C.F. ACID. If salt is not available an acceptable alternative is to dissolve C.F. ACID in sea water. After use of C.F. A neutralizing solution of sodium carbonate in fresh water should be circulated for 2.4 hours or until acceptable pH value is obtained around pH 7.
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