IR-260 Acid Detergent for RO Membrane


  1. Suitable for all aromatic polyamide membranes.
  2. Low froth formula.
  3. Diluent pH 3.0-4.0.
  4. Liquid chemicals, mix well.
  5. Can be used repeatedly.

IR-260 is an acid liquid formula, it can remove metal hydroxide, calcium carbonate, and other types of scales.


Dilute to 1-3% (1:45).


Item 11 times concentrate
Appearance Amber clear liquid
pH Value (1% water solution) 1.0-3.0
Density (20℃), g/cm3 1.30±0.05
Storage temperature Not lower than -10℃


  1. Check water box, pipeline, and filter, change the filter material if needed.
  2. Input q.v. RO effluence to the water box.
  3. Input q.v. IR-260 to water box, mix the solution with water pump, measure pH.
  4. Clean the system repeatedly, measure pH 5-20 minutes. After pH rise to 4, input q.v. IR-260 or acid, till pH does not rise, meaning cleaning is ended.
  5. If pollution is serious, sometimes the first batch detergent should be evacuated and the next batch should be required.
  6. Pay attention to solution temperature, don’t exceed the required temperature.


200L plastic drum, IBC(1000L), customers’ requirement.