

TMC HFE-347E Engineered Fluid is a high-performance replacement / alternative for 3M™ Novec™ 7100, offering similar chemistry and physical properties for precision cleaning, heat transfer, and vapor degreasing applications.
TMC HFE-347E is a fluorinated engineered fluid based on HFE-7100 chemistry, developed for advanced industrial applications requiring precision cleaning, controlled evaporation, and reliable thermal performance.
The fluid delivers properties comparable to Novec™ 7100, including low viscosity, excellent dielectric strength, non-flammability, and stable thermal characteristics. These features make it suitable for use in applications where both electrical insulation and efficient heat transfer are essential.
TMC HFE-347E provides effective cleaning performance by removing oils, grease, flux residues, and fine particulates from sensitive electronic assemblies and precision components. Its low surface tension enables deep penetration into tight spaces and complex geometries, ensuring consistent cleaning results.
The fluid is widely used in vapor degreasing systems, immersion cleaning processes, and heat transfer applications across industries such as electronics manufacturing, semiconductor production, aerospace, and precision engineering.
With zero ozone depletion potential (ODP) and low toxicity, TMC HFE-347E meets modern environmental and safety requirements, making it a reliable choice for OEMs and industrial users.
It is supplied for industrial and OEM applications, supporting both small-scale operations and high-volume production needs.
| Property | Novec™ 7100 | TMC HFE-347E |
|---|---|---|
| Chemical Name | Methoxy-nonafluorobutane (HFE-7100) | Same (HFE-7100 based) |
| Chemical Formula | C4F9OCH3 | Similar |
| Boiling Point | 61 °C | 61–62 °C |
| Freezing Point | −135 °C | ~−135 °C |
| Molecular Weight | 250 g/mol | ~250 g/mol |
| Density (25 °C) | 1.52 g/cm³ | 1.52–1.53 g/cm³ |
| Kinematic Viscosity (25 °C) | ~0.38 cSt | ~0.38–0.40 cSt |
| Surface Tension | ~13.6 dynes/cm | ~13–14 dynes/cm |
| Vapor Pressure (25 °C) | ~25 kPa | ~25–26 kPa |
| Dielectric Strength | >35–40 kV | Similar |
| Dielectric Constant | ~6.3 @ 1 kHz | ~6.2–6.4 |
| Heat of Vaporization | ~112 kJ/kg | ~110–113 kJ/kg |
| GWP (100 yr) | ~320 | Same |
| ODP | Zero | Zero |
| Flammability | Nonflammable | Nonflammable |
| Toxicity / Safety | Low toxicity | Low, REACH compliant |
| Material Compatibility | Excellent | Excellent |
| Applications | Cleaning, heat transfer, degreasing | Same |