Clean Source Newsletter Archive

May 2018

It Happened! A Revolutionary Cleaning Workshop

The first Product Quality Cleaning Workshops (PQCW) was at Sam Houston State University in Huntsville Texas, May 16-17. Participants included manufacturers in the areas of automotive, optics, medical, and metal finishing as well as developers of cleaning chemistries, cleaning equipment, and techniques for surface analysis. The workshop confirmed our expectation […]
April 2018

Can you follow your own cleaning specifications?

Specific written instructions about the cleaning process don’t necessarily translate into profitable manufacturing. Consider the wisdom imparted by the classic, mid-century T.V. commercial featuring tuna with good taste (a fish exhibiting faux upper-class behavior) and then touting the superiority of tuna that tastes good.  Successful, profitable manufacturing requires both the […]
March 2018

Cleanrooms, Clean Product

Picture a cleanroom. What comes to mind is perhaps a sanctuary, a safe haven, a place of refuge from the rough and tumble world of manufacturing.  The space is carefully designed, certified, and monitored.  The furnishings, the consumables are controlled and have specified attributes.  The room is inhabited by white-garbed […]
February 2018

EPA Happenings – What’s the Impact on Critical Cleaning

Be brave! Read about developments at the EPA. It will be fun – sort of.  Welcome to the giant multi-dimensional Sudoku puzzle in the sky. Regulations, both safety and environmental, are so complex and fluid that they result in a monumental headache for manufacturers.  Two EPA developments may result in […]
January 2018

Residue – The Product

Residue is a major concern for manufacturers. Consequences of inadequate residue removal include undesirable appearance (spotting, staining), poor coating adhesion, low yield, and catastrophic product failure.  To successfully remove residue it is useful to understand what that residue is and where it came from.  Also consider: what is it you […]
October 2017

Balancing the Elephant

“Chemical” is the elephant in the room. Sales reps are told to avoid the word or risk losing the sale (1). Let’s get real! Manufacturing cannot happen without chemicals. Manufacturing product involves removing soil, or matter out of place. To do so involves using chemicals. The issue is not whether […]
September 2017
Elephant in forest

Elephants and Cleaning Agents

A veteran salesman  tells reps to avoid four utterances. The first is “problem;” the second is “contract;” the third is “selling/signing up.”  And the forth is (drum roll, please!) … chemical (1).  Is a chemical more negative than hurricane, famine, or war? The chemical is the elephant in the room […]
August 2017

Is it a Cleaning Step?

[Originally published July, 2005] Identifying the cleaning steps is not necessarily obvious, especially in multi-step processes. In fact, when we consult with our clients, particularly in troubleshooting projects, one of our first bits of detective work involves working our way through the build process and noting the cleaning steps. It […]
July 2017

Ultrasonic Rinsing?

“Enjoying your newsletter. Wondering if you can comment on using ultrasonics during rinsing.” Clean Source subscriber Our short answer is: All other things, being equal, use ultrasonics not only during cleaning but during rinsing. Ultrasonics are necessary to access and remove soil during the wash (or clean) step; and ultrasonics […]
June 2017

Exponential Rinsing

Question: Why should you consider using multiple rinse tanks? Wouldn’t it be cheaper to build one big rinse tank? Won’t automation and parts handling be easier with one tank? Wouldn’t the cleaning process run faster? Before we answer this… Let’s review product cleaning during manufacturing. Soil is matter out of place; […]
April 2017

Do You Have to Test?

One Clean Source reader asked a question about the need to run cleanliness testing. “Have you ever written an article that explains why/not ionic contamination testing is required if using no-clean fluxes?” In a global sense, the question is related to: How clean is clean enough? When do you need […]
March 2017

Does Cleaning Experience Mean Inertia?

In a recent LinkedIn post, one of our colleagues, Randy Leighty, comments that “experience is a great teacher, but it can be an obstacle to innovation and continuous improvement.”  We ask: Is experience inherently an obstacle to improvement? Let’s start with a round of applause for inertia! Critical cleaning involves […]
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