FYREWASH® F4 was developed to give the maximum possible cleaning efficiency
and effectiveness from a non-solvent chemical.
Rochems R&D department have developed this product using state of the art
technology, resulting in a non-hazardous, user-friendly and biodegradable
FYREWASH® F4 sets the standard against which the performance and costeffectiveness of all other true non-solvent water based gas turbine cleaners can
FYREWASH® F4 is a highly biodegradable product, according to OECD 301-A
test and has no cloud point for complete temperature stability throughout the
FYREWASH® F4 meets all major OEM’s specification requirements world-wide
and have a high temperature stability.
FYREWASH® F4 can be used with any on-line/off-line injection system but for
optimum cleaning results and economic usage of chemicals, Rochem offers a
full range of patented manual or fully automatic atomising injection systems to
suit any engine type.
Is normally performed by mixing one part FYREWASH® F4 concentrate with four
(4) parts of water into a stable solution. Use demineralised water as specified by
the engine manufacturer, typically <11μS/cm. The volume of chemical solution
needed per wash and the optimum cleaning frequency will depend upon
engine size, operating environment and fouling tendency. It is recommended
that a post rinse is performed to ensure that the nozzle system is cleaned and
ready for next operation.
Concentrated FYREWASH® F4 is normally mixed with four (4) parts of good
quality water. FYREWASH F4-Super Concentrate is to be mixed in a 1:19
dilution. The solution is injected at cranking speed, allowed to soak for 20 to 30
minutes then thoroughly rinsed off at cranking speed with good quality water
acceptable to the engine manufacturer. FYREWASH® F4 can be used without
dilution for offline cleaning, providing a superb cleaning result for heavily
Add antifreeze below +10°C, FYREWASH® F4 is compatible with Methanol,
Propylene Glycol, Ethylene Glycol. Rochem manufacture a superior freeze point
depressant, Rochem FPD, please contact local office for further information.