Hydrogen Peroxide 35% Solution


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WTP CHP is a fast acting non-foaming, non-tainting biocide based on Stabilised Hydrogen Peroxide. WTP CHP 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 CHP is supported under the following Product Types (PT) of the BPR;

• PT2: Disinfectants and algaecides not intended for direct application to humans or animals.
• PT3: Veterinary hygiene.
• PT4: Food and feed area.
• PT5: Drinking water.

For specific uses under these product types, please see dosing section.


WTP CHP is effective against a wide spectrum of nuisance micro organisms including:

  • Viruses
  • Aerobic and Anaerobic Bacteria
  • Bacterial Spores
  • Mould Yeasts
  • Fungi and Algae

WTP CHP works best on clean systems and should be considered a final treatment following thorough cleaning. WTP CHP will decompose after use to form water and oxygen.


WTP CHP consists of 35% Stabilised Hydrogen Peroxide.


PT Use Dose rate as H2O2 Dose rate as Product
2 Horticulture (biofouling, water supply, irrigation lines) 10-50 ppm 30-140 ppm
2 Surface disinfection 250-400 ppm (vaporising) 700-1140 ppm (vaporising)
2 Water bottles/water fountain dispensers (off line) 1000 ppm 2860 ppm
3 Multiple uses are covered. Please contact us for further information.
4 Beer lines disinfection/cleaning 2500-5000 ppm 7100 – 14300 ppm
4 Disinfection of tanks/pipes/equipment 100-1000 ppm 285 – 2850 ppm
5 Human drinking water 20-35 mg/L (this conforms to EN 902:2016 – Chemicals used for treatment of water intended for human consumption) 57 – 100 mg/L (this conforms to EN 902:2016 –
Chemicals used for treatment of
water intended for human consumption)
5 Animal drinking water 50 mg/L 140  mg/L
5 Drinking water – offline disinfection 500-5000 ppm 1420 -14200 ppm
5 Rinsing/cleaning of pipework for drinking water. 500-5000 ppm 1420 -14200 ppm



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


Use biocides safely. Always read the label and product information before use. WTP CHP is heat sensitive above 60ºC – spontaneous decomposition may occur of neat product, it should be noted that at use concentrations are stable in water up to 95ºC. 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 CHP treatments are shipped in 5 litre, 10 litre, 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.  

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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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