Replacement for 3M™ Novec™ 71DE
| Part # | Name | Size | Ordering |
|---|---|---|---|
| 2471004555 | BestSolv® 71DE-55 | 55 gal. drum | |
| 2471004505 | BestSolv® 71DE-05 | 5 gal. pail | |
| 2471004501 | BestSolv® 71DE-01 | 1 gal. metal container |
Product Description
BestSolv® 71DE Engineered Fluid is a specialized cleaning solution for use in vapor degreasing and immersion cleaning. It excels at removing waxes, and balances cleaning power and compatibility with tough plastics such as nylon, PFTE, epoxy and PEEK.
BestSolv® 71DE is an exact molecule replacement for 3M™ Novec™ 71DE.
Recommended Applications

- Solvent cleaning, rinsing and drying
- Vapor degreasing
- Immersion cleaning for removal of oils, greases and waxes
- Effective removal of light and medium oils, fluoro lubes, greases, fluoro greases, silicones, fluoro silicones and waxes
- Specialty solvent applications, including coatings
- Carrier solvent for coatings and lubricant deposition
- Oxygen system cleaning
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) |
| 3M™ Novec™ Replacement Type | Exact Molecule |
| Cleaning Performance | Medium Duty |
| Boiling Point | 106 °F / 41 °C |
| Stability | Near Azeotrope |
| Vapor Pressure | 383 mmHg |
| Liquid Density | 1.37 g/cm2 |
| Surface Tension | 16.6 dynes/cm |
| Kauri-Butanol Value | 27 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 Phenolic Polyester Polyethylene Polypropylene |
| Elastomers | Buna-S** Butyl Rubber** Chlorosuphonated PE EPDM Natural Rubber** Polysulphide |
*Not suitable for acrylics, ABS or polycarbonates.
**Some swelling of these elastomers. 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.


