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3M Novec 7100 vs Opteon SF79

Discontinued 3M precision cleaning fluid vs its Chemours Opteon replacement.

// Key differences

  • Availability: 3M ends PFAS production by end-2025; Opteon SF79 is in active supply.
  • Cleaning power: SF79 has stronger solvency for heavy oils and fluxes.
  • Boiling point: SF79 boils at ~47°C vs ~61°C for Novec 7100 – check vapour degreaser settings.

Choose 3M Novec 7100 for:

Only for existing validated processes while stock lasts.

Choose Opteon SF79 for:

New processes and migration away from Novec.

Full specification comparison

Parameter3M Novec 7100Opteon SF79
Manufacturer3MChemours (OPTEON)
CategoryPrecision Cleaning SolventsPrecision Cleaning Solvents
Temperature range-135°C … +61°C-90°C … +47°C
Standards / approvalsRoHS / REACHREACH / RoHS
ChemistryHydrofluoroether (HFE)Hydrofluoroolefin (HFO) based
Liquid range-135°C … +61°C—
Boiling point61°C47°C
DielectricYes—
StatusDiscontinued—
ComplianceRoHS / REACH—
Operating temperature—-90°C … +47°C
GWP—< 15
Flammability—Non-flammable
Specification—REACH / RoHS
TDS & quoteTDS & quote

Data compiled from manufacturer data sheets — confirm critical values with the official TDS.

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