Multi Functional Water Treatment


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WTP CW55M is specially developed for the prevention of corrosion in closed circuit cooling water and LTHW system.

WTP CW55M is a single treatment based upon a synergized blend of buffers, alkanolamine-phosphate esters, molybdate and yellow metal inhibitors capable of performing several functions.

WTP CW55M meets the requirements of DWTAS Industry standard for the performance of chemicals inhibitors in domestic water central heating systems and Build Cert Regulation.

Build Cert Certificate Number – bc1426


Physical State Pale brown liquid*
pH 7.00-7.50
Specific Gravity (SG) 1.115 + 0.02 @ 16 °C

*Colour may vary over time but this does not affect the performance of the product.


  • Effective, all-round corrosion inhibitor
  • Scale-preventative and anti-fouling properties
  • Non-aggressive towards aluminium
  • Complete, single-package treatment
  • Compatible with glycol antifreezes


  • WTPCW55M dosage is calculated and advised by our local water treatment chemist.
  • Dosing should be achieved via a recommended point in the system, e.g. a dosing pot
  • Dose rates of 0.5% to 1% should be sufficient for most applications
  • System waters should always be analysed following dosing to ensure conditions are satisfactory.
  • A Molybdate test kit (WTPTK105) is available to use for determining product reserve. A reserve (as ppm MoO4) of >100 ppm is the preferred result.
  • In applications where aluminium is present a pH of 7.3 – 8.0 is advised


WTP CW55M treatment is formulated as a balanced blend of chemicals, and is proven over a wide range of plant conditions. Please refer to material safety data sheet for detailed handling/storage instructions.  


WTPCW55M treatments are shipped in 25 litre polythene drums.


Field representatives can work closely with customer personnel to assure the effective application of the water treatment programme.

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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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