A dedicated reader has requested that the blog address rinsing in more detail. Rinsing ranks high on the list of process steps that are often not given their due attention in the specification of an overall cleaning process. Many specifications just say “rinse” and nothing more. In fact, rinsing is a secondary cleaning step intended to remove residuals left …
In recent blogs we have been talking, for the most part, about particles that are relatively large – ones you can see, touch and feel. There is a world out there, however, that worries about particles that are very tiny. I’m talking about particles that are smaller than tens of microns in dimension. An earlier …
I will get to the “high power” stuff in upcoming blogs but thought it would be a good idea to introduce a few more tests that are simple and require little or no specialized paraphernalia. Simple is good in my opinion especially when you are troubleshooting in a remote location or when you are working …
The last thing you want on a surface that is to be plated, painted or otherwise coated with something that needs to adhere to that surface is a film of residue that prevents that adhesion. The water break test is a simple, quick and usually non-destructive test to test for hydrophobic films. The test is …
For any filter to be effective, the liquid being filtered must circulate or re-circulate through the filter in an efficient way. In a spray system, the cleaning or rinsing liquid usually returns from the filter directly to the spray head(s). This means that the liquid spray used to clean or rinse is as good as …
Many topics can’t be covered in a single, one page blog entry. For this reason, some of the more involved topics will be discussed in several sequential blogs with a common theme. This is the start of one such series about filters and filtration. In parts cleaning, filtration is applied to liquids used to clean …
It will come as no surprise to anyone who is involved with industrial parts cleaning that rinsing is an expensive but important part of the process. Although it may not reduce your wardrobe to “rags,” proper rinsing can put a sizeable dent in the cleaning budget. Let’s talk a minute about how to reduce the cost of rinsing. The …
Many cleaning specifications call for “Spot Free Drying.” I have always taken this to mean that there should be no visible water (or other) spots on the parts once they exit the cleaning process. The offending spots are usually created when water evaporates leaving behind a solid residue. The resulting residues or spots are cosmetically …
Today’s industrial parts cleaning processes commonly employ at least three distinct steps. The basic steps are Washing, Rinsing, and Drying. Each step is custom tailored to the overall requirement with the range of options for each much broader than one not intimately involved with the technology might imagine. In some processes, in fact, it is …
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