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home Best Technology / Precision Cleaning Chemistries, Solvents, & Fluids / Aqueous Cleaning Chemistries

Aqueous Cleaning Chemistries

Aqueous cleaning works by applying heat and pressure to industrial parts immersed in a water-based aqueous cleaning chemistry. Aqueous cleaning chemistries may include detergents, surfactants and emulsifiers that are added to water.

In addition to wet and dry process equipment, Best Technology offers a complete line of aqueous parts washer chemistry solutions including:

  • Alkaline cleaners
  • Rust inhibitors
  • Caustic solutions

Aqueous cleaner chemistries are typically diluted to 5-25% concentration in water, and, unlike many solvents, there are no exposure limits set because no harmful vapor is emitted from the aqueous parts cleaner solution on evaporation.

Aqueous Cleaner Chemistry

Check out this case study for a comparison of aqueous cleaners vs. solvent cleaning for an aerospace manufacturer. Aqueous cleaning allowed this manufacturer to transition away from the hazards of nPB (n-propyl bromide) solvent cleaning for aerospace parts, to a safer aqueous parts washer solution.

Aqueous Cleaning FAQs

  • What’s the difference between solvent-based cleaning and aqueous cleaning?

    There is an old saying when it comes to parts cleaning: “Like dissolves like”.

    This comes from the world of chemistry, and is really quite a simple and useful phrase to remember. In chemistry molecules are described as being polar or non-polar. (Think north and south pole on the Earth)  Polar molecules have a polarity that causes them to attract other molecules that have polarity, while non-polar molecules do not.

    Water is a polar molecule.  Oil is not.  At the molecular level this is why “oil and water don’t mix”.  Chemically they are dissimilar and cannot absorb each others molecules.  By contrast salt IS polar; this is why you can dissolve salt in water.

    So when should you use aqueous cleaning and when should you try cleaning with solvents? Solvent based cleaning systems (like Vapor Degreasers) are used when you need to clean true oils from your manufactured parts.  Aqueous Cleaning Systems are used to clean water based materials from your parts.

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Aqueous Parts Washers

Each aqueous cleaning solution is formulated for use with aqueous parts washers. Formulations are specific to aqueous parts washer type, whether high flow and high pressure or ultrasonics. Examples where aqueous cleaning chemistries are used include:

  • Agitated immersion tanks
  • Ultrasonic parts washers

Aqueous Cleaning Parts Washer

Aqueous Cleaning Parts Washer Equipment
To learn more about the various types of aqueous parts washers, visit our Industrial Parts Washer and Cleaning Systems page.

From initial contact to our continued support and service, Best Technology offers over 30 years of industry expertise that can be leveraged to determine the best aqueous parts washer solution for your applications.

Latest News & Products from Best Technology

Semi-Automated Inline Citric Passivation Solution with Data Tracking

For one medical device manufacturer, the design of a citric passivation solution faced two major challenges: The manufacturing process required performing a water-break test after cleaning parts, before proceeding to passivation. This meant that they could not use a fully automated passivation solution. The system had to have data tracking for quality control purposes. Semi-Automated […]

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  • Industrial Parts Washers
    • Products
      • Agitated Immersion Heated Parts Washer
      • Automatic Parts Washer System with Conveyor
      • Phosphating Lines
      • Oil Removal Systems
    • Case Studies
      • Pipe Washing Equipment
      • Machine Shop Parts Washer for True Oil
      • Automotive Parts Washer System
  • Ultrasonic Cleaning Systems
    • Product Information
      • How Clean is Clean?
      • How Do Ultrasonic Cleaners Work?
    • Products
      • Ultrasonic Benchtop Parts Cleaner
      • Benchtop Ultrasonic Parts Cleaning Multi-Tank Systems
      • Ultrasonic Cleaning Consoles
      • Automated Ultrasonic Parts Cleaning Equipment Wash-Rinse-Dry
      • Large Ultrasonic Cleaner with Agitated Immersion
      • Immersible Ultrasonic Transducers
      • Vapor Degreasers
    • Case Studies
      • Machine Shop Parts Washer for Swiss and CNC Precision Parts
      • Applicable Articles
  • Passivation Equipment
    • Product Information
      • What is Passivation? How Does It Work?
      • Nitric vs. Citric Acid Passivation
      • CitriSurf – Citric Acid Passivation
    • Products
      • Benchtop Ultrasonic Passivation Equipment
      • Passivation Wet Bench for Citric / Nitric Acid
      • Ultrasonic Automated Passivation Equipment
      • Agitated Immersion Multi-Tank Passivation Systems
    • Case Studies
      • Automated Ultrasonic Passivation System for Medical Device Parts
      • Cleanroom Space Saving Automated Passivation System
      • Heated Polypropylene Acid Passivation and Rinse Tanks
      • Applicable Articles
  • Electropolishing Equipment
    • Product Information
      • What is Electropolishing? How Does Electropolishing Work?
      • Electropolishing Cycle and Current Calculator
      • What is Dry Electropolishing? How Does It Work?
      • Passivation vs. Electropolishing
    • Products
      • Table Top Electropolishing Equipment & Electropolishing Machines
      • Electropolishing Wet Benches
      • Large Scale Part Electropolishing Systems
      • Dry Electropolishing Machines
    • Case Studies
      • EP System – Open Top Wet Bench with Spray Rinse
  • Surface Finishing Systems
    • Alodine Lines
      • What is Alodine / Chem film / Chromate Conversion Coating?
      • Alodine Chem Film Tank Line
      • Hex Chrome Phase Out and Alternatives for Conversion Coating
    • Mass Finishing Machines
      • Centrifugal Barrel Finishing Machines
      • Vibratory Bowl Polishers
    • Titanium Anodizing
      • What is Titanium Anodizing?
      • Titanium Anodizing Equipment
  • Wet Benches
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    • Products
      • Fume Hoods
      • Wet Benches for Semiconductor & FM4910 Applications
      • Wet Benches for Citric / Nitric Passivation of Stainless Steel and Titanium
      • Wet Benches for Electropolishing
      • Cascade Overflow Rinse Tanks
      • Quick Dump Rinse Tank
    • Case Studies
      • Semiconductor Chemical Processing Wet Bench and Fume Hood
  • Specialty & Custom Industrial Process Systems
    • Automated Chemical Neutralization Tank Cart
    • Vapor and Dryfilm PTFE Coating Systems
    • Heated Hot Air Parts Dryer
    • Solvent Recovery Equipment
  • Solvents, Fluids & Chemistries for Precision Cleaning
    • Product Information
      • Why Use a Parts Cleaning Solvent?
      • Solvent Cleaning with 3M Novec Engineered Fluids
      • Thermal Management / Heat Transfer with 3M Fluorinert and Novec Fluids
    • Products
      • 3M Novec Engineered Fluids, Fluorinert Liquids, Solvents & Chemicals
      • Aqueous Cleaning Chemistries
    • Solvent Phase-outs
      • 3M™ Novec™ HFE Engineered Fluids Replacement and PFAS Phase Out
      • nPB Replacement
      • AK225 HCFC-225 Phase Out and Replacement with 3M Novec HFE Engineered Fluids
    • Case Studies
      • 3M Novec 72DA 73DE Solvent Vapor Degreaser For Medical Device Instruments
  • Process Validation Templates
  • Equipment Financing

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