Nitric Acid Based Cleaner


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WTPNA20 is an acid based, ready to use descaling solution. The product will descale stainless steel, plumbing fittings, calorifiers, tanks, cooling systems and sanitary ware in one operation. WTP NA20 should be used neat for difficult to remove and heavy deposits. A solution of 1 part product to 3 parts water can be use for routine cleaning programs.


pH <1
Specific Gravity (SG) 1.09 – 1.11


The quantity required will depend on the nature and extent of the scale. On completion of descaling, components should be thoroughly rinsed with fresh mains water before reinstatement of service. Effluent may need to be neutralized to comply with local regulations.

WTP NA20 should not be mixed with other products such as hypochlorite based solutions. 


Acid descaling kit – WTP TK149 is available to monitor scale removal.



WTPNA20 is based upon a mineral acid, full safety precautions should be observed. Avoid direct contact with skin and eyes to prevent burning. In case of accidental contact, flush area with water, and get medical attention. Product should not be ingested. Refer to Material safety Data Sheet for full safety data information.


WTP NA20 treatments are shipped in 5litre, 10litre, 25 litre and 205 litre non returnable drums.


Field Representatives will work closely with customer personnel to assure the effective application of the water treatment programme. Qualified personnel can provide regular service calls.

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The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The company shall not be held liable for any damage resulting from handling, contact, mis-use or mis-application of the above product. In all instances the user should satisfy themselves that this product is suitable for the anticipated application and should carry out suitable and sufficient risk/COSHH assessments and a method of use statement.

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