Azeotropic mixture for precision degreasing


3M™ NOVEC™ 72DE fluid, manufactured by 3M, is an azeotropic mixture of methyl nonafluorobutyl ether (C4F9OCH3), ethyl nonafluorobutyl ether (C4F9OC2H5) and trans-1,2-dichloroethylene (t-DCE).

In this solvent mixture the t-DCE forms azeotropes with each of the hydrofluorinated components.

3M™ NOVEC™ 72DE fluid is ideal for a wide range of cleaning applications. It is intended to replace chlorinated solvents as well as other solvent systems that do not have such favourable health, safety and environmental properties.

This product from the 3M™ NOVEC™ range has zero ozone depletion potential and other environmentally favourable properties.

The high solvent power, low surface tension, non-flammability and stability of 3M™ NOVEC™ 72DE fluid make it ideal for immersion and vapour degreasing process.

These properties also make the solvent ideal for some coating and lubricant deposition applications where higher solvency is required.



  • Non-flammable
  • High thermal stability.



  • Excellent solvent power
  • Vapour phase application
  • Carrier for depositing special lubricants.

This product is used today in the cleaning and degreasing of carbon fibre components in different areas (automotive and aerospace) and in the medical sector for cleaning prostheses and dental implants.

In some applications, where higher solvent power is required, it may be necessary to pre-wash with a co-solvent (TOPKLEAN™ range)



  • 4.54 kg drum
  • 250 kg drum
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