Replacement for 3M™ Novec™ 71DA
| Part # | Name | Size | Ordering |
|---|---|---|---|
| 2471004155 | BestSolv® 71DA-55 | 55 gal. drum | |
| 2471004105 | BestSolv® 71DA-05 | 5 gal. pail | |
| 2471004101 | BestSolv® 71DA-01 | 1 gal. metal container |
Product Description
BestSolv® 71DA Engineered Fluid is a medium-duty cleaning and degreasing fluid that balances cleaning power and compatibility with plastics such as nylon, PFTE, epoxy and PEEK. BestSolv® 71DA excels at removing ionic soils and solder flux.
BestSolv® 71DA is an exact molecule replacement for 3M™ Novec™ 71DA.
Recommended Applications

- Solvent cleaning, rinsing and drying
- Immersion cleaning for removal of oils, greases and silicones
- Vapor degreasing
- Effective removal of light and medium oils, fluoro lubes, greases, fluoro greases, ionic soils, silicones, fluoro silicones and fluxes
- Cleaning of solder flux residues
- Removal of ionic contaminants
- Precision coating of silicones and other lubricants
Features and Benefits
- Ideal for vapor degreasing and precision cleaning applications
- Stable, azeotropic solvent blend
- Compatible with a wide range of materials
- Low global warming potential (GWP)
- Zero ozone depletion potential (ODP)
- Non-flammable
- Non-conductive
- Replacement for CFCs, HCFCs, HFCs, TCE, nPB, Novec™ HFEs
- Low toxicity makes it safe for workers and the environment
- Low surface tension allows it to penetrate tight spaces for thorough cleaning
Composition & Properties
| Composition | HFE7100 trans-1,2-Dichloroethylene (t-DCE) Ethanol |
| 3M™ Novec™ Replacement Type | Exact Molecule |
| Cleaning Performance | Medium Duty |
| Boiling Point | 104 °F / 40 °C |
| Stability | Near Azeotrope |
| Vapor Pressure | 381 mmHg |
| Liquid Density | 1.33 g/cm2 |
| Surface Tension | 16.4 dynes/cm |
| Kauri-Butanol Value | 33 Kb |
| Global Warming Potential (GWP) | Low |
| Ozone Depletion Potential (ODP) | None |
| Volatile Organic Compound (VOC) Designation | Yes – 1,2 trans DCE is a VOC. |
| Flash Point | None |
Materials Compatibility
| Metals | Aluminum Brass Copper Steel Stainless Steel Titanium Tungsten Zinc |
| Glass | Glass Ceramics |
| Polymers/Plastics* | Epoxy Nylon PEEK PFTE |
| Elastomers* | Low compatibility with Silicones. Parts containing elastomeric materials should be evaluated for compatibility |
*Not suitable for acrylics, ABS or polycarbonates. The customer is responsible for ensuring specific material compatibility, which should always be verified through testing with specific contaminants under process-specific cleaning conditions.
Related Products
BestSolv® is distributed exclusively by Best Technology Inc.


