Boeing Spec BAC 5408 Vapor Degreasing Solvent
| Part # | Name | Size | Ordering |
|---|---|---|---|
| 25700910 | BestSolv® 5408-55 | 55 gal. drum | |
| 25700925 | BestSolv® 5408-05 | 5 gal. container | |
| 25700921 | BestSolv® 5408-01 | 1 gal glass bottle |
Product Description
BestSolv® 5408 Engineered Fluid is a heavy-duty hydrofluoroether (HFE) solvent qualified under Boeing specification BAC 5408 for vapor degreasing and immersion cleaning. BestSolv® 5408 excels at removal of greases and true machining oils.
The BAC 5408 qualification ensures trusted compatibility for Boeing suppliers and other aerospace manufacturers that require materials certified to the BAC specification.
Recommended Applications
BestSolv® 5408 is formulated as a heavy-duty aerospace cleaning solvent for vapor degreasing and immersion cleaning applications where Boeing BAC 5408 qualification is required. It effectively removes contaminants such as:
- Adhesives
- Buffing compounds
- Heavy greases
- Cutting oils
- Stamping oils
- Gear oils
- Hydraulic oils
- Vacuum oils
- Mineral oils
- Refrigerant oils
- Silicone oils
- Waxes/Pitch
Features and Benefits
- Aerospace solvent qualified for Boeing spec BAC5408
- Hydrofluoroether (HFE) solvent
- Vapor degreasing solvent formulated for demanding aerospace cleaning applications
- High solvency cleaning power
- Zero surface residue
- Low viscosity
- Stable, near azeotropic solvent
- Compatible with a wide range of materials
- Non-flammable
- No flash point
- Low toxicity
- Replacement for TCE, Perc, and nPB-based solvents
- Low surface tension penetrates tight spaces for improved cleaning
Composition & Properties
| Composition | Hydrofluoroether (HFE) trans-1,2-Dichloroethylene (t-DCE) (<1%) |
| Cleaning Performance | Heavy Duty |
| Boiling Point | 114 °F / 45.5 °C |
| Stability | Near Azeotrope |
| Vapor Pressure | 7.1 psi @ 20°C |
| Liquid Density | 1.27 g/cm2 |
| Surface Tension | 19 dynes/cm |
| Kauri-Butanol Value | 94 Kb |
| Global Warming Potential (GWP) | 87 |
| Ozone Depletion Potential (ODP) | <1 |
| Volatile Organic Compound (VOC) Designation | Yes – 1,2 trans DCE is a VOC. |
| VOC Content | 1081 g/L |
| Flash Point | None |
Materials Compatibility
| Metals | Compatible 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* | Acetal Epoxy (thermosetting plastic/resin) Ionomer Phenolic (thermosetting plastic) Polyaryletherketone (PEEK) Polyarylsulfone (PAS) Polyester (PET, BET) Polyetherketone (PEK) Polyethylene Polyimide (PI, PEI, PAI) Polyphenylene Sulfide (PPS) Polypropylene Polysulfone (PSO) Polyvinylchloride (PVC, CPVC) PTFE, Teflon |
| Elastomers* | EPDM |
*Polymers/Plastics: Not suitable for acrylics, ABS, polycarbonates, polystyrene, or polyphenylene oxide (PPO). Elastomers: Not suitable for silicone, natural rubber, or epichlorohydrin. The customer is responsible for ensuring specific material compatibility, which should always be verified through testing with specific contaminants under process-specific cleaning conditions.
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BestSolv® is distributed exclusively by Best Technology Inc.