Replacement for 3M™ Novec™ 649
| Part # | Name | Size | Ordering |
|---|---|---|---|
| 23700055 | BestSolv® Zulu-55 | 55 gal. drum | |
| 23700025 | BestSolv® Zulu-05 | 5 gal. pail |
Product Description
BestSolv® Zulu Engineered Fluid is a high-purity (99.99% pure) fluorinated ketone fluid that excels as an electronics cooling and heat transfer fluid.
This product is an exact molecule, drop-in replacement for 3M™ Novec™ 649.
Recommended Applications




- Heat transfer and thermal management applications where non-flammability or environmental factors are a concern
- Electronics cooling (single or dual phase)
- Power electronics such as IGBTs or inverters
- Transformers and other equipment (SF6 replacement)
- Immersion cooling for data centers and computers
- Organic rankine cycle
- Diesel engines
- Generators
- Geothermal applications
- Solar applications
Features and Benefits
- Drop-in replacement for Novec™ 649
- Not an HFC, BestSolv® Zulu is a fluoroketone chemical clean agent that leaves no residue
- Replacement for previous fluids: Sulfur hexafluoride (SF₆), and hydrofluorocarbons (HFCs), such as HFC-134a, HFC-245fa
- Non-flammable
- Electrically non-conductive
- Low Global Warming Potential (GWP)
- Zero Ozone Depletion Potential (ODP)
- Clear, colorless, low odor
- High molecular weight
Composition & Properties
| Composition | Fluorinated Ketone (99.99%) CAS # 756-13-8 |
| 3M™ Novec™ Replacement Type | Exact Molecule |
| Approved Applications | Thermal Management Immersion Cooling Fire Suppression Magnesium Cover/Shield Gas |
| Boiling Point | 120 °F / 49 °C |
| Pour Point | -162 °F / -108 °C |
| Specific Gravity | 1.60 g/mL @ 25 °C |
| Vapor Pressure | 40.9kPa / 307 mmHg @ 25 °C |
| Critical Temperature | 336 °F / 169 °C |
| Critical Pressure | 1.88 MPa |
| Viscosity | 0.64cPs @ 25 °C |
| Specific Heat | 1103 J/kg-K@ 25 °C |
| Latent Heat of Vaporization @ Boil Point | 88-kJ/kg |
| Dielectric Constant | 1.8 @ 1kHz |
| Dielectric Strength | 48kV |
| Flash Point | None |
Related Products
BestSolv® is distributed exclusively by Best Technology Inc.



