Hydrogen Peroxide 11% Solution


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WTP CHP 11 is a fast acting non-foaming, non-tainting biocide based on 11% Stabilised Hydrogen Peroxide. WTP CHP 11 is compliant under the Biocidal Products regulations (BPR) and the trade name is registered with the competent authorities as required by the 1st February 2017 submission date.


• WTP CHP11 is a DEFRA Approved product for General Orders.
• General orders for use where animal disease control orders (other than the four specific animal disease orders) made under The Animal Health Act or European Communities Act require    the use of an approved disinfectant e.g. The Transport of Animals (Cleansing and Disinfection) (England) (No.3) Order 2003 No. 1724, and The Animal Gatherings order 2010.
• Link to approval: http://disinfectants.defra.gov.uk

Approved Dilution Rate

• 1 part WTP CHP 11 disinfectant plus 2.2 parts of fresh mains water.
• For use on inanimate surfaces only.

It is suggested that a solution is made up at the point of use, spray equipment and suitable PPE (refer to Material Safety Data Sheets) should be used to apply the disinfectant on surfaces and equipment to be treated. Leave the product on the surface to dry.

Test a small area first to ensure compatibility with surface materials


WTP CHP11 consists of 11.0% Hydrogen Peroxide.


Based on clean systems containing fresh mains water.

Temperature (ºC)

Contact Time


Min Conc of peroxide


<8 20 3000
8-20 60 1500
20-30 60 1500
30-40 60 1500


WTP CHP11 works best on clean systems and should be considered a final treatment following thorough cleaning.


Hydrogen peroxide drop test kit – WTP TK354 or a comparator kit – WTP TK220.
Supplied by Water Treatment Products Ltd


WTP CHP11 breaks down into water and oxygen


WTP CHP11 undiluted is a powerful oxidising agent. It is heat sensitive above 60ºC – spontaneous decomposition may occur. Contact with brass, bronze, chromium, copper, iron, lead, manganese, nickel, silver, zinc and other catalytic metal will accelerate decomposition. Contact with concentrated acid, alkalis reducing agents, dirt, ash, rust or metal dust will also cause spontaneous decomposition. Therefore these materials must be absent in transfer pumps and pipework. (Please refer to Material Safety Data Sheets for detailed handling and storage information).


WTP CHP11 is shipped in 5, 10 and 25 litre vented drums


Field Representatives will work closely with customer personnel to assure the effective application of the water treatment programme. Qualified personnel can provide regular service calls.  

More Information

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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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