What are PFAS Chemicals?
This BestSolv™ Engineered Fluid is NOT considered a PFAS (per- and polyfluoroalkyl substance) under the U.S. EPA’s currently proposed definition.
BestSolv™ Bravo – 3M™ Novec™ 73DE Replacement
BestSolv™ Bravo engineered fluid is a non-flammable cleaning solvent used in a wide variety of industrial applications, including vapor degreasing and solvent cleaning of precision and industrial parts containing true machining oils.
BestSolv™ Bravo cleaning solvent is formulated as a drop-in 3M™ Novec™ 73DE alternative fluid, based on the 3M™ announcement of Novec™ fluid phase out in 2022.
Note: Information is provided by Best Technology, not 3M™. 3M™ does not endorse or recommend any alternative material. As such, the customer is responsible for evaluation of the material’s various properties when looking at alternatives.
Benefits of BestSolv™ Bravo
- Drop-in replacement for 3M™ Novec™ 73DE
- Hydrofluoroether (HFE) solvent
- Ideal for vapor degreasing and precision cleaning applications
- Stable, near azeotropic solvent
- Compatible with a wide range of materials
- Non-flammable
- Non-conductive
- Low toxicity
- Low Global Warming Potential (GWP)
- Zero Ozone Depletion Potential (ODP)
- Low surface tension penetrates tight spaces for improved cleaning
Data Sheets
Type | |
Safety Data Sheet | |
Technical Data Sheet |
Common Applications

BestSolv™ Bravo is formulated as a vapor degreasing solvent for precision cleaning applications. It is commonly used for:
- Cleaning medical device parts during manufacturing
- Cleaning electronics and mobile device parts during manufacturing
Properties of BestSolv™ Bravo vs 3M™ Novec™ 73DE
Property | 3M™ Novec™ 73DE | BestSolv™ Bravo |
Composition | Hydrofluoroether (HFE) blend with 1,2 trans DCE | Hydrofluoroether (HFE) blend with 1,2 trans DCE |
CAS # | #156-60-5 – trans-1,2-Dichloroethylene | #156-60-5 – trans-1,2-Dichloroethylene |
Cleaning Performance | Heavy Duty | Heavy Duty |
Boiling Point | 118 °F / 48 °C | 102 °F / 38.6 °C |
Stability | Near Azeotrope | Near Azeotrope |
Vapor Pressure | 263 mmHg | 367 mmHg |
Liquid Density | 1.28 g/cm2 | 1.27 g/cm2 |
Surface Tension | 19.9 dynes/cm | 19 dynes/cm |
Kauri-Butanol Value | 83 Kb | 94 Kb |
Global Warming Potential (GWP) | Low | Low |
Ozone Depletion Potential (ODP) | None | None |
Volatile Organic Compound (VOC) Designation | Yes – 1,2 trans DCE is a VOC. | Yes – 1,2 trans DCE is a VOC. |
Flash Point | None | None |
BestSolv™ Bravo Packaging
Product # | SKU | Container Sizes Available (Gallons) | Approx. Weight (Lbs.) |
BestSolv™ Bravo-55 | 23700910 | 55 gal. drum | 551 lbs. |
BestSolv™ Bravo-05 | 23700925 | 5 gal. pail | 50 lbs. |
BestSolv™ HFE Price and Ordering
For purposes of product stewardship, Best Solv™ Engineered Fluids cannot be sold directly online and are available for customers in the United States only.
Please contact our chemical sales department for a quote by clicking the “Get a Quote” button, or call 612-392-2414, ext. 2.