BestSolv® Sierra Engineered Fluid

Replacement for 3M™ Novec™ 7100

BestSolv 55 Gal Drum
Part #NameSizeOrdering
23700110BestSolv® Sierra-5555 gal. drum
23700125BestSolv® Sierra-055 gal. pail
23700121BestSolv® Sierra-011 gal. metal container

Product Description

BestSolv® Sierra Engineered Fluid is a high-purity neat hydrofluoroether (HFE) fluid that excels as a light-duty precision cleaning solvent, and serves as a reliable solvent for latent fingerprint processing in forensic investigations.

This product is a similar molecule, drop-in replacement for 3M™ Novec™ 7100, available at a significantly lower price point than 3M™ Novec™ 7100.


Recommended Applications

BestSolv Vapor Degreasing Solvent
  • Cleaning solvent – light duty
  • Vapor degreasing
  • Rinsing agent
  • Precision cleaning
  • Cleaning / rinsing medical device parts during manufacturing
  • Cleaning / rinsing electronics and mobile device parts during manufacturing
  • Latent fingerprint processing on porous surfaces, as a carrier solvent for ninhydrin and DFO formulations. Tested and approved by our customers as a replacement for HFE-7100.
  • Preservation of biological specimens
  • Lubricant carrier for fluorochemicals and silicones

Features and Benefits

  • Drop-in replacement for 3M™ Novec™ 7100 HFE fluid
  • Effective light-duty cleaning and rinsing of particulates, fluoro lubes, light oils, fluoro greases
  • Hydrofluoroether (HFE) solvent
  • Ideal for vapor degreaser rinsing and precision cleaning applications
  • Compatible with a wide range of materials
  • Non-flammable
  • Non-conductive
  • Low toxicity makes it safe for workers and the environment
  • Low Global Warming Potential (GWP)
  • Zero Ozone Depletion Potential (ODP)
  • VOC-exempt solvent (U.S. EPA)
  • Replacement for CFCs, HCFCs, HFCs, PFCs, Novec™ HFEs
  • Low surface tension penetrates tight spaces for improved cleaning

Case Study: BestSolv® Sierra for Latent Fingerprint Applications

Download our Latent Fingerprint case study to learn more about the benefits of BestSolv® Sierra as a replacement for 3M™ Novec™ 7100 in forensic investigation applications.


Composition & Properties

CompositionHydrofluoroether (HFE)
3M™ Novec™ Replacement TypeSimilar Molecule,
Drop-In Replacement
Approved Applications

Cleaning Electronic Components

Precision Cleaning

De-Watering Electronic Components

Carrier or Lubricant Coating

Scientific Analysis (Latent Fingerprinting, Tissue Freezing)

Cleaning PerformanceLight Duty
Boiling Point132 °F / 56 °C
Freeze / Melting Point-135 °F / -93 °C
Vapor Pressure232 mmHg
Liquid Density1.47 g/cm2
Viscosity< 1.0 cP
Heat of Vaporization (at bp)163kJ/kg
Specific Heat1.28 KJ/kg-K@ 25°C
Dielectric Constant6.6
Global Warming Potential (GWP)Low
Ozone Depletion Potential (ODP)None
Volatile Organic Compound (VOC) DesignationExempt
Flash PointNone

Materials Compatibility

MetalsCompatible with common metals and most alloys, such as steel and stainless steel.

Incompatible with alkali or alkaline earth metals such as powdered aluminum, zinc and beryllium.
Polymers/Plastics*Compatible with some hard plastics and polymers. Testing is recommended.
Elastomers*Compatible with some elastomers. Testing is recommended.

*Material compatibility testing should always be performed with specific contaminants under process-specific conditions.



BestSolv® is distributed exclusively by Best Technology Inc.