David S. Peterson

David S. Peterson

Parts Cleaning

Improving Cleaning Process Throughput

We are spraying and wiping down parts with thinner and acetone, and want to move to some kind of cleaning tank and/or phosphate solution. Can you recommend a system?­

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Parts Cleaning

Chlorinated Solvent Acid Acceptance

How can we manage and control stabilization of alkalinity reserves and acid acceptance level of perchloroethylene in metal cleaning applications?

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Parts Cleaning

Rinsing

In a dragout /rinsing process, is cold water effective or beneficial after a hot water rinse?

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Parts Cleaning

Electrocleaning

Why do we have problems with cleaning in low-current areas on our barrel alkaline zinc plater?

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Parts Cleaning

Ultrasonic Rust Removal

What ultrasonic frequency is best for removing corrosion on stainless steel?

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Parts Cleaning

Incoming Rust Inhibitors

We have a five-stage wash system using an alkaline cleaning package. Should the rust inhibitors coming in on our parts be water-soluble?

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Parts Cleaning

Military Specification Approval

Who or what government department handles Mil Spec approval?

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Parts Cleaning

Lint-Free Cloths

We have problems getting a clean surface to clear-coat bronze door skins. We wipe down the surface with lacquer thinner using microfiber cloths but get very small lint, fibers and specks in the finish. Do you have any suggestions?

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regulation

Passivation Concentration

I am reviewing my passivation process with nitric acid per ASTM 967 using nitric 2 (6.1.1.2), and am not sure how to mix or check the solution. I also want to be sure I am neutralizing correctly.

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Parts Cleaning

Mechanical Cleaning Effectiveness

We are coating nuts and fasteners with nickel alloys for corrosion resistance. We currently do mechanical cleaning before electrochemical cleaning but would like to eliminate this mechanical cleaning, as the system is not efficient. Could you give us information on a new process?

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automotive

Tape Test for Cleaning Efficiency

I want to learn about test methods to check efficiency of degreasing. Do you know anything about a Ford Scotch Tape test?

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racking

Parts Handling Optimization

We are interested in cleaning and coating equipment that will eliminate part-to-part contact. I am not sure if this means racking systems or one-piece flow. Do you have any suggestion for where we might look for equipment to meet our needs?

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