Industrial Pre-commission Pipework Cleaner


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WTPCL27DRE is a mildly acidic pre-commission cleaning agent, formulated as a blend of powerful cleaning agents designed to de-rust internal pipework surfaces.

If a neutral cleaning product is required, please see WTPCL28 or WTP CL-KQ472. 


  • Removes mill scale from new pipework systems
  • Removes iron oxide from multi-metal systems whilst protecting the base metal from further corrosion
  • Allows for easier system flushing
  • Improves final results when compared to citrate based cleaning formulations


pH 3.5 – 4.5
Specific Gravity (SG) 1.16 – 1.18
Freezing point 5oC


  • WTP CL27 DRE is dosed at 10 litres per 1000 litre system volume (1% system volume)
  • Dosage may need to be increased for particularly dirty systems
  • Circulate for 24 hours ensuring contact with all internal surfaces of the system
  • Once the cleaning process is complete and the system has been flushed to remove the WTPCL27 DRE, a suitable inhibitor should be used (WTPCW25 and WTPM27 are also available)



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

Avoid direct contact with skin and eyes to prevent mild irritation. 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.


WTPCL27DRE treatments are shipped in 12.5litre, 25 litre and 205 litre non returnable drums.


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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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