English Arabic Chinese (Simplified) French German Greek Italian Polish Portuguese Russian Spanish
  • This email address is being protected from spambots. You need JavaScript enabled to view it.
  • +44 (0) 161 877 2334

Polymeric Phosphate Corrosion Inhibitor for Once-Through Systems

Polymeric Phosphate Corrosion Inhibitor for Once-Through Systems

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

Accepta 2626 is an alkaline solution. Avoid contact with skin, eyes or clothing. If skin comes into contact with product, wash with water. If eyes are affected, flush with water for at least 15 minutes and get medical attention.

For full details concerning safety precautions, storage and handling procedures for Accepta 2626 please refer to the latest Safety Data Sheet. To download the latest safety data for this product use the following link:

Safety Data for Accepta 2626

World Class Expertise

Accepta work with industry worldwide delivering practical, cost effective solutions to resolve complex problems. If you require technical assistance, or information about our water treatment chemicals and other speciality products, please contact our dedicated technical support team on:

+44 (0) 845 519 89 90 or complete our Technical Support form.

Expert Training

Develop your skills with our internationally recognised water and wastewater treatment training courses. Delivered by world leading industry experts and designed for engineers, facilities managers and environmental professionals... water treatment training.

Keep upto date with our extensive library of good practice guides, latest research, regulatory updates, news and more... knowledge base.

Custom Chemical Manufacturing

Accepta offer custom chemical manufacturing, specialist toll blending and white label production services for our own water treatment chemicals and client specific formulations to UK and international customers.

To discover how you could benefit from our environmentally sensitive, quality driven chemical manufacturing capabilities please call us on +44 (0) 161 877 2334 or contact us.

International Distributor Opportunities

Accepta's innovative, quality driven customer focused business model creates exciting global supply chain and distributor opportunities for established and ambitious businesses currently active within the water treatment, wastewater treatment and environmental services sectors around the world.

If you are interested in becoming an exclusive international distributor of Accepta water treatment technologies please click here to learn more.

bsi-ukas-14001-2004bsi-ukas-9001-2008british-association-for-chemical-specialitiesinvestors-in-people-iip  greater-manchester-chamber-of-commerce-member