Q: Since foaming is so critical to COP methods, should operators be agitating the solution(s) to produce foam before and during manual cleanings? A: This question came from a webinar on challenging residues. Mechanical energy, agitation, and plain old elbow grease, are vital weapons in cleaning and Clean-Out-Of-Place applications. So we would recommend that wherever … [Read more...] about Extra Foam Please?
Medical Device
How to verify brushes are clean?
Q: We were recently audited and we were asked: how do you prove that the brushes you are using are not cross-contaminating the equipment surface with residues? A: How do you prove brushes are clean, or for that matter, any cleaning device is itself clean, is an excellent question. This can apply to any reusable instrument, cloths, tube brushes, sponges, etc. These tools … [Read more...] about How to verify brushes are clean?
Exposure of Tergazyme to Elevated Temperature During Storage
Q: I am contacting you to ask for more info regarding the stability of Tergazyme as we encountered a temperature deviation during shipment. The exposure temperature was 47C for about 3 hours. A: Dry powdered Tergazyme® Enzyme-Active Powdered Detergent will be fine with a 3-hour excursion to 47C. As dry detergent product it is quite stable and is designed to tolerate exposure … [Read more...] about Exposure of Tergazyme to Elevated Temperature During Storage
Tergazyme vs. Alconox
Q: What is the difference between Tergazyme and Alconox? Is one better? Is one more mild? A: There are several similarities and key differences between Tergazyme® Enzyme-Active Powdered Detergent and Alconox® Powdered Precision Cleaner. Both detergents are powerful emulsifiers and excellent detergents for the removal of organic and oily residues. Both detergents are well … [Read more...] about Tergazyme vs. Alconox
Choosing Temperature for Ultrasonic Parts Cleaning
Q. How do you determine appropriate temperature to clean parts with ultrasonic cleaner? A. In general, every 10C you go up in temperature doubles the cleaning speed. The faster you want to clean the hotter you should get. There are of course some residues, including metal oxides, which become more difficult to clean with higher temperatures. If you suspect or aware that … [Read more...] about Choosing Temperature for Ultrasonic Parts Cleaning