|
Cleaning
Process |
Cleaning
Performance |
Material Compatibility |
Toxicity |
Safety & Environmental Impact |
| Vertrel® Specialty Fluids |
• Excellent cleaning performance, even in complex geometries
• No separate drying step needed
• Low energy consumption
• Easy process monitoring
|
OK - Broad range of compatibility |
OK - Low acute toxicity |
• Zero ozone depletion potential
• Very low global warming potential
• Easily recovered or destroyed
• Low- VOC products available
• Zero ozone depletion potential
• Very low global warming potential
• Easily recovered or destroyed
• Low- VOC products available |
| Aqueous-based |
Good performance, but:
• Danger of corrosion of metal parts
• Non-satisfactory rinsing and drying
• Energy intense
• Expensive technology
• Difficult process monitoring
• Not suitable for parts with tight clearances
|
OK |
OK |
• Problematic disposal and recycling of contaminated water
• Energy and cost intensive recycling
• Limited water availabilityand cost in some regions |
| Semi-Aqueous |
Good performance, but:
• Non-satisfactory rinsing and drying
• Expensive equipment
|
OK |
OK |
• Cost intensive disposal and recycling
• VOC issues |
| Alcohol-based |
• Low solubility for greases |
OK |
• Toxicity concerns with methanol |
• Flammability issues
• Explosion-proof equipment required
• VOC and Hazardous Air Pollutant issues |
| HCFC-based |
OK |
• Incompatible with some plastics and elastomers |
• Toxicity concerns |
• Ozone-depleting-scheduled for phase-out |
| Brominated Solvents |
OK, but process monitoring difficult due to product instability |
• Very aggressive. Incompatible with some plastics and elastomers |
• Toxicity concerns. Odor |
• Ozone-depleting |
| Chlorinated Solvents |
OK |
• Incompatible with some plastics and elastomers |
• Toxicity concerns |
• VOC and Hazardous Air Pollutant issues |
