Tag Archive | "ultrasonic"

Ultrasonic Cleaner for Parts and Towels

I’m looking for a cleaning solution to use in our industrial ultrasonic cleaner that is similar to the old style competitor detergent. We use it occasionally for general cleaning, removal of machining oils, cleaning for high vacuum use, and to lightly etch the oxides off of copper. 

If we did a pre-mix and let it sit until use, how long would the formulations last before degrading?

Could we also use this mix for washing microfiber towels and foam sponges that have various waxes, polymer sealants and oils on them?

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Posted in Alconox, Liquinox, Metalworking & Precision Manufacturing, UncategorizedComments (0)

Ultrasonic Cleaning of Glass Molds (Detergents vs. Alkali)

Q. We have heard that Alconox is recommended for glass mold cleaning. Other than release agent, can the product also remove oxidation from the mold surface? And finally, why is the concentration on the Alconox detergent only 1-3% when we typically use concentrations of 20-30% when cleaning molds with sodium or potassium hydroxide based chemicals?

A. Alconox® Powdered Precision Cleaner is what we tradtionally recommend for mold release cleaning applications, but many also find Detonox® Ultimate Precision Cleaner to be particularly effective.

When it comes to removing oxidation…

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Posted in Alconox, Citranox, Detonox, Medical Device, Metalworking & Precision ManufacturingComments (0)

Filtering Detergent in Industrial Ultrasonic Cleaning System

Q: Is there a benefit to filtering the rinse water or the detergent solution in an ultrasonic system? Is it even advisable? If so, can you recommend a filter size (10 micron) when using Alconox detergent? This is for a new bath setup in a new piece of equipment. 

A: My short answer would be, it cannot hurt but would likely be of limited assistance.

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Posted in Ask Alconox, Filter, Manual Lab Cleaning, Metalworking & Precision ManufacturingComments (0)

Ideal pH Range for Industrial Ultrasonic Cleaning with Liquinox

Q. What is the acceptable pH range of Liquinox for effective cleaning in an ultrasonic bath? Our solution hovers around 7 and I am concerned that’s not effective. Also, does the temperature of the ultrasonic cleaning solution affect the detergent pH?

A. A typical reading for Liquinox® Critical Cleaning Liquid Detergent at usage dilution is ~pH 8.5. A pH 7 reading on Liquinox detergent would indicate that a notable amount of fouling has occurred from use.

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Cleaning Carbon Deposit Swirls On Alumina Parts

Q. Our parts, made of 99.5% alumina, have carbon deposits that show up after our brazing process. We do not use a flux for our ceramic parts; we high-temp fire a moly/manganese painted paste onto the ceramic. The part is then sent out for nickel plating to prevent corrosion of the moly manganese metallization areas. The next step is our brazing.

We are not seeing any spots on the parts before brazing, but as we continue through 5 brazing cycles and braze in a hydrogen/Nitrogen furnace with the cusil braze rings, we see black spots forming that show up as high-carbon deposits with the SEM data…

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Posted in Citranox, Metalworking & Precision ManufacturingComments (0)

Industrial Ultrasonic Cleaning: Detergent Bath Life

Q: We manufacture medical devices. Can we use our Alconox or Citranox bath solution more than once? How do we know that we need to change the solution?

A: For the highest level of cleanliness, you only use a solution once. In general, in a medical device manufacturing and cleaning operation, a detergent bath will typically easily last for 8 hours.

For example, you can make up a fresh Alconox® or Citranox® solution once a day and then verify that the pH has not changed more …

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Removing Cutting Oil, Linoleic Acid from Parts

Q: Some metalwork pieces have a residue of linoleic acid (traced back to the cutting oil) that remains after ultrasonic cleaning with Alconox® detergent. Will Alconox® will fully dissolve linoleic acid? Can you recommend a cleaning process to ensure complete removal of all linoleic acid residue from our parts?

A: Alconox® Powdered Precision Cleaner will not dissolve, but will emulsify, the linoleic acid on your machined parts. In order to get a linoleic-acid-free clean, increase

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Posted in Alconox, Detonox, Metalworking & Precision ManufacturingComments (0)

Degassing Ultrasonic Cleaning Solution

Q. How would we determine appropriate degassing time for solution with ultrasonic cleaner? We are cleaning with distilled water with Alconox® detergent.

A. Degassing time varies with amount of dissolved carbon dioxide, which can vary. In general…

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Posted in Alconox, Ask Alconox, Metalworking & Precision ManufacturingComments (0)

How Long for Residue Free Ultrasonic Cleaning?

Q. How to determine appropriate cleaning time to clean parts with ultrasonic cleaner?

A. Observations and cleaning trials are the best way to determine appropriate cleaning time. Many people use 10 minutes as a cleaning time. For difficult residues…

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Posted in Ask Alconox, Medical Device, Metalworking & Precision ManufacturingComments (0)

Choosing Temperature for Ultrasonic Parts Cleaning

Q. How to determine appropriate temperature to clean parts with ultrasonic cleaner?

A. In general, every 10 deg C you go up in temperature doubles the cleaning speed. The faster you want to clean the hotter you should get.

There is a theoretical optimal ultrasonic cavitation temperature at around 70 deg C depending on the exact concentration of detergent. Even though in theory cavitation…

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Posted in Ask Alconox, Laboratory, Manual Lab Cleaning, Medical Device, Metalworking & Precision ManufacturingComments (0)