Closed System Corrosion Inhibitor Tablet


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WTP CWS 296T is a very effective tablet corrosion inhibitor for chilled water systems, closed loop cooling systems and hot water heating systems.

WTP CWS 296T contains;

  • Sodium Molybdate
  • Organic inhibitors
  • pH Buffers
  • Copper corrosion inhibitor


  • Excellent corrosion inhibiting properties.
  • Easy to apply.
  • Improved Handling and transport over liquids.
  • Reduces risk of splash, spills and environmental exposure.
  • Neutral pH range for systems containing Aluminum.
  • Provides economical waterside protection for mixed metal systems containing copper, brass and ferrous based metals.


Physical State Hard tablet
Weight 20g +/-5%
Colour Off white
Diameter> 30.0mm
Depth 18.5mm


  • Tablets are added to the closed system via a suitable dosing pot.
  • Dosing pots offer a simple low maintenance method of accurately adding tablets.
  • Add 50 X 20g WTP CWS 296T per cubic metre of water in system. (0.1% system volume).
  • A Molybdate test kit (WTP TK160) is available for testing and control of WTP CWS 296T, recommended concentration level is 80-120 ppm of Molybdate (as MoO4).


Please refer to material safety data sheet for detailed handling/storage instructions



WTP CWS 296T treatments are shipped as 1 kg (50 x 20g) per pot or 5kg (250 x 20g) per pail.


Field Representatives will work closely with customer personnel to assure the effective application of the water treatment programme. Regular service calls can be provided by qualified personnel.

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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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