• For organic, non-polar type soils, vapor degreasing offers better cleaning due to the low surface tension and low viscosity of the solvents. Aqueous processes have difficulty penetrating tight spaces or "wetting" surfaces and require surfactants in their cleaning agents that still cannot match the penetrating power of solvents. In the vapor phase, solvents exhibit a very thorough penetrating property as the vapor condenses into a liquid on all part surfaces regardless of geometric complexity. Spaces like capillaries or blind holes are easily infiltrated by solvents.
  • Vapor degreasing systems will maximize space in your facility as they require less ancillary modules than aqueous processes. Aqueous systems typically need more rinse stages, require DI or treated water, and also a drying system which results in additional equipment. Vapor degreasing systems integrate drying as a basic feature, saving you space.
  • Vapor degreasing processes offer greater simplicity and easier process control than aqueous processes. Only soil loading (as monitored by boiling temperature), acid acceptance, and filtration(where applicable) must be monitored. In aqueous processes, chemistry concentration is often difficult to measure and control, rinse water quality must be measured and maintained, and factors such as conveyors, hoist speed, spray pressures, flow, nozzle position & aperture clearance, filter integrity, and more are constantly in flux.
  • Solvent waste is typically less costly to dispose of than spent aqueous cleaning agents. Many degreasing solvents are non-hazardous as well.
  • Solvent processes are more rapid than aqueous processes due to more effective and faster cleaning and drying.
  • Vapor degreasing processes generate less noise than aqueous systems because they have smaller and fewer pumps, motors, and require no blowers.
  • Soil re-deposition is a constant threat with aqueous cleaning processes often resulting in unsatisfying results and requiring additional cleaning. In vapor degreasing, a plentiful supply of pure, freshly distilled solvent and solvent vapor that pre-washes and final rinses parts minimizes redeposition of contaminants. Soils are confined to the boil sump of a vapor degreaser, allowing for little opportunity for re-deposition.
  • With aqueous cleaning, soil re-deposition, corrosion, rusting, water spotting, streaking, and staining are all inherent quality issues that must be constantly battled. Every one of these is eliminated in vapor degreasing due to the waterless and self-purifying process.

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