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Category Archives: Chemistry
Cleaning Chemistry – Water Based Chemistry – Neutral and Emulsions
Preceding blogs have discussed acidic and caustic based cleaning chemistry. There are also chemistries, however, which are neither acidic or caustic but, rather, rely on other more mechanical than chemical mechanisms to affect cleaning. In a capsule, these mechanisms are wetting … Continue reading
Cleaning Chemistry – Water-Based Chemistry – Caustic
Acidic cleaning chemistries were discussed in a preceding blog. Now let’s talk about the second of the three classifications of chemistry we defined – caustics. Caustics are materials that are basic as opposed to acidic in nature. The use of … Continue reading
Cleaning Chemistry – Water-Based Chemistry – Acidic
Water is often referred to as the “universal solvent.” Yet, as we all know, its hard to get grime off of your hands clean without using some soap! Water, however, is an attractive “solvent” as it is plentiful, relatively cheap and … Continue reading
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Ultrasonics – Cleaning Orifices with Ultrasonics
A few days ago, one of our customers asked one of our sales people what would seem like a very simple question. The question, in paraphrase, was – - ”Do you know the relationship between ultrasonic frequency and the ability of … Continue reading
Chemistry – Solvent Characteristics
Solvents are a bit difficult to understand for a number of reasons. Even for someone who has worked with solvents as much as I have, the permutations of solvents, their combinations and their capabilities are bewildering. But, let’s start with the … Continue reading
Cleaning Chemistry – Introduction – Solvents
It doesn’t matter if you call it soap, solvent, surface preparation, or whatever, chemistry is an important part of nearly every cleaning process. The first purpose of the chemistry in a cleaning application is to either dissolve the contaminant or, … Continue reading
Challenging Cleaning Applications
The technology of parts cleaning is a very sophisticated science today. Most cleaning challenges can be met with the proper combination of equipment, chemistry and technique. In my 45 year involvement with parts cleaning, I have seen many twists and … Continue reading
Posted in Chemistry, Cleaning, Lab Tales
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Flammability – More Things You Should Know – LFL and UFL
Although, fortunately, we seldom encounter flammability issues in cleaning, it’s a good idea to be familiar with some of the terms like Upper and Lower Flammability and Explosive Limits for the sake of safety. In the preceding blog, it was … Continue reading
Flammability – The Combustion Triangle
There is always a temptation to use solvents in cleaning applications. Although it is a “no-brainer” that there is a risk of fire or explosion when using a flammable solvent, it won’t hurt to review what flammability is all about. … Continue reading
Lubricants and Coolants – Effectiveness vs. Cleanability
In order for a lubricant or coolant to be effective it must possess the very properties that make it difficult to remove. In industrial machining, stamping and metal forming applications, selecting lubricants and coolants wisely can greatly simplify cleaning processes … Continue reading