Normally For A System With Hard Scale Deposits A 5-10% W/W Solution Is Recommended. Preferably This Solution Should Be Made With Pre-Heated Water At 70-80oc. The Total Volume of Solution Should Be About 1.2 Times of Water Holding Capacity of Equipment To Be Descaled. Recirculate The Solution For About 6 Hours Using A Acid Compatible Pump. After Descaling It Is Necessary To Passivate System With 2% Solution of Alstascale Ps20 Into The Last Rinse And Return To Normal Service.
RXSOL Sulfamic Acid Gp Grade Is Non-Inflammable And, Unlike Hydrochloric Acid, Does Not Give off Obnoxious Fumes. The Safety of RXSOL Sulfamic Acid Gp Grade Has Been Further Increased By The Addition of Corrosion Inhibitors And Other Chemicals To Make RXSOL Sulfamic Acid Gp Grade A Versatile Descaling Agent Which Is Safer Still In Terms of Equipment Corrosion And Safety of Personnel. The Field of Descaling Is Wide And The Exact Application of RXSOL Sulfamic Acid Gp Grade Can Only Be Determined After Considering The Nature And Extent of Scaling, And The Type of Equipment That Is To Be Descaled.