Polymeric Phosphate Corrosion Inhibitor for Once-Through Systems – 2626

Available in 25Kg drums

200Kg and IBC orders are POA


Accepta 2626 is a high performance polymeric phosphate corrosion inhibitor developed for the treatment and protection of once-through systems.

Accepta 2626 is scientifically formulated as a polymeric phosphate corrosion inhibitor that is designed for use in once-through potable water systems.

The use of Accepta 2626 also helps to prevent iron deposition and staining due to “red water”.

Product Benefits

  • High performance corrosion inhibitor for once-through potable water systems
  • Helps prevent iron deposition and staining due to “red water”
  • Polymeric phosphate based
  • Convenient liquid product

Product Properties

Form: Liquid
Colour: Clear, colourless
pH: 11.0 – 12.0
Specific Gravity: 1.20 – 1.25

*Full details of the product properties are available in the Safety Data Sheet. See below.

Application & Dosage Information

The target dosage range for Accepta 2626 is 0.5 – 5.0 as PO4-3 in the recirculating cooling water; the exact dosage may be determined by local regulations.

Dosage Strategy

Accepta 2626 should be fed neat or as part of an appropriate mix to the cooling water system where it can be uniformly mixed and thoroughly distributed using a chemical metering pump.

Performance Monitoring

Appropriate use of Accepta 2626 following the above dosing strategy should result in a corrosion rate of less than 2 mpy.

It is always advisable to carry out a ‘Control Of Substances Hazardous to Health’ (COSHH) assessment before use.

For additional assistance please contact Accepta.

Test Methods

  • Phosphonate Drop test – Thorium Nitrate titration
  • Phosphonate UV photolysis + colour disc

Material of Compatibility

Material Comments
SS : Acceptable
MS : Not recommended
PE : Not recommended
PP : Not recommended
PVC : Acceptable
Teflon : Recommended

Safety, Storage & Handling

For full details concerning safety precautions, storage and handling procedures for this product please refer to the latest Safety Data Sheet. To request the latest MSDS for this product please fill out the form below.

    Additional information

    Weight 25 kg