CR-20

Overview:

 

CR-20 Concrete Remover is a fast-acting, non-fuming concrete remover for dissolving lime, concrete and mortar residues from concrete mixers, trucks, and trowels used in laying and transporting concrete as well as from surfaces that have been splashed with concrete. CR-20 is based on an inorganic-acid complex which is non-fuming. This means CR-20 has no odour and fumes; Dissolves the lime component of concrete quickly, turning it into a soft paste that can be washed away. CR-20 has corrosion inhibitors to prevent the attack on bare iron and steel; Has a detergent action, so it can still work on oily surfaces.

Application:

 

Pre-test on a small section of the surface to ensure it will not cause any changes or damage to the application surface. Apply CR-20 Concrete Remover (undiluted) with a foamer, spray gun or brush to the dry hardened concrete. Leave in contact for 15 minutes. If CR-20 evaporates and leaves a white residue, do not rinse it off, simply apply more CR-20 to keep it reacting. Then apply another coating. Keep the surface wet with CR-20. The concrete will turn soft and come off the surface after a total soak time of 20-30 minutes. Rinse off with cold water via a pressure washer. Brushing during the soak time will assist in removing the concrete more quickly. Very thick build-ups may need another treatment to ensure complete removal.

Typical Physical Properties:

 

Pink-coloured liquid with a characteristic
odour.
Specific Gravity: 1.2
Flash Point (PMCC): /
pH (20°C): 1