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

Molybdate / Phosphonate Corrosion Inhibitor for Closed Cooling Systems

Molybdate / Phosphonate Corrosion Inhibitor for Closed Cooling Systems

Accepta 2809 is a high performance cooling water treatment corrosion inhibitor based on a molybdate - phosphonate blend, scientifically formulated for the treatment of closed cooling water systems in both closed and aerated cooling water applications.

Accepta 2809 is a highly efficient multi-functional cooling water treatment product that prevents corrosion and unwanted deposits by keeping the surface of the cooling systems clean and providing the basis for an effective corrosion protection film.  

Accepta 2809 contains inhibitors for steel, copper and copper alloys in combination with dispersants.

Accepta 2809 is a proven formula used in a wide range of industries:

  • Secondary cooling water systems of power plants
  • Cooling systems of blast furnaces
  • Cooling the molds in continuous casting mills
  • In hot and cold water systems in the chemical industry

Accepta 2809 should be used with soft water, to avoid calcium phosphate deposition when the water losses are important.

Product Benefits

  • Superior molybdate / phosphonate based corrosion inhibitor
  • Highly efficient, multi functional
  • Ideal for use in closed cooling water systems in both closed and aerated applications
  • Builds an effective corrosion protection film
  • Contains inhibitors for steel, copper and copper alloys
  • Efficient dispersant
  • Ideal for wide range of industrial uses

Product Properties

Form: Liquid
Colour: Brown coloured, hazy
Density: 1.02 - 1.08 kg/m3
pH: 9.0 - 11.0
Solubility: 100%
Boiling point: 100 oC

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

Application & Dosage Information

Accepta 2809 is added neat or diluted to the cooling water. Accepta 2809 can be mixed with water in any ratio.

The dosage rate is dependent on the system conditions and the amount of water lost from the system.

Systems should maintain 400 ppm - 1000ppm of product in the water, while systems with high water losses should maintain ca. 1500 ppm in the system.

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

For further technical assistance concerning Accepta 2809 please contact Accepta.

Safety, Storage & Handling

For full details concerning safety precautions, storage and handling procedures for Accepta 2809 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 2809

Popular Closed Circuit Treatment Products

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.