KATHON FP 1.5 Fuel Biocide

Duro Kimia is the supplier of high performance KATHON FP 1.5 by Dow Chemicals.

The biocide is used for the preservation of fuel.

KATHON FP 1.5 biocide is a mixture of 2 types of Isothiazolinones in a 3:1 ratio:

  • 5-chloro-2 methyl-4-isothiazolin-3-one

  • 2-methyl-4-isothiazolin-3-one


  • Broad spectrum activity

  • Effective in systems containing both fuel and water

  • Rapid inhibition of microbial growth and enzyme synthesis

  • Effective at low concentrations

  • Ensures long term preservation of fuel

  • Biodegradable/non-persistent in the environment


Effective over a wide range of fuels commonly used in marine and automotive industries such as petrol, diesel, biodiesel, gasoline, kerosene etc.

Efficiently partitions into both the fuel and water phase in a fuel system.