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Precision Cleaning for Automotive and Transportation

Sustainable cleaning and degreasing solvents for today's tough automotive cleaning challenges

Concerns about cost, worker safety, cleaning solvent efficiency and environmental regulation have focused increasing attention on the materials and processes used to clean components ranging from sophisticated electronics to precision mechanical assemblies.

That's why more and more automotive manufacturing professionals around the world rely on 3M™ Novec™ Engineered Fluids to handle some of their toughest automotive cleaning challenges.

Novec Fluids are a family of nonflammable, non ozone-depleting, low global warming cleaning and degreasing solvents, used in a wide range of vapor degreasing, immersion, hand-wipe and flux cleaning applications. These versatile, sustainable materials are effective on a wide range of soils, and offer excellent compatibility with most metals, plastics and elastomers.

The cost saving alternative to conventional cleaning solvents and aqueous cleaning systems

Novec fluids can offer cost savings in a number of areas, including lower energy costs, fewer regulatory recordkeeping requirements and lower capital equipment costs, because they typically do not require expensive abatement systems. But the greatest cost savings are the result of reduced emissive and drag-out losses.

Emissive Losses – The evaporative loss of Novec fluids when used in vapor degreasing or a similar, recirculating system, is lower than most other cleaning solvents for two important reasons: higher molecular weight, and a relatively low vapor pressure. As a consequence, diffusive losses are substantially reduced compared to other cleaning solvents.

Drag-Out Losses – The low surface tension, low viscosity, high density and low heat of vaporization of Novec fluids result in reduced dragout losses compared to other cleaning solvents. Other solvents and defluxers tend to cling to complex surfaces after cleaning and rinsing due to surface tension forces, and are drawn out of the cleaning system before they can drip off or evaporate. In contrast, Novec fluids drip away quickly, without becoming trapped in small spaces when a part is raised through the vapor zone. Further, the lower heat of vaporization means that less energy is required to evaporate the cleaning solvent from the part in the freeboard region. This helps to reduce solvent and energy consumption.

In many applications, Novec fluids are also a cost-effective alternative to aqueous cleaning systems. For a complete discussion of the advantages of solvent cleaning with Novec fluids vs. aqueous cleaning, download our special white paper report.

Typical Solvent Cleaning, Degreasing and Flux Cleaning Applications

The following overview shows some of the ways various Novec products are typically used. Bear in mind, however, that every cleaning application is unique. For assistance in determining the optimal Novec fluid for your application, please contact a 3M automotive cleaning specialist (need link).

3M™ Novec™ Engineered Fluids for Light-Duty Cleaning

Novec fluids can be used in their "neat" or pure form to remove light hydrocarbon and silicone oils. They effectively remove particulate from components and final assemblies. Their ability to penetrate tight spaces on complex parts allows for thorough cleaning of precision components.

3M™ Novec™ 7100 Engineered Fluid
3M™ Novec™ 7200 Engineered Fluid
3M™ Novec™ 71IPA Engineered Fluid

3M™ Novec™ Engineered Fluids for Medium to Heavy-Duty Cleaning

For medium to heavy-duty cleaning of lubricants, low MP waxes, polishing and buffing compounds, fluxes and other soils, Novec fluids are available in several azeotropic blends with one or more organic solvents.

3M™ Novec™ 71DA Engineered Fluid
3M™ Novec™ 71DE Engineered Fluid
3M™ Novec™ 72DA Engineered Fluid
3M™ Novec™ 72DE Engineered Fluid

3M™ Novec™ Engineered Fluids for Heavy-Duty Cleaning

For the most challenging soils, a co-solvent process that uses a low volatility organic solvent to dissolve soils from part surfaces, and Novec 7100, 7200 or 71IPA fluid as a rinse agent, has proven to be an effective and flexible solution. Co-solvent cleaning with Novec fluids enables effective cleaning of heavy-weight oils, greases and waxes while maintaining a more favorable environmental profile.

3M™ Novec™ 7100 Engineered Fluid
3M™ Novec™ 7200 Engineered Fluid
3M™ Novec™ 71IPA Engineered Fluid


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