Q. Can you assist in cleaning and removing rust and corrosion from P20 steel? We are considering different cleaning methods. Will that change the detergent recommendation? A. P20 is a low carbon mold steel and can be safely cleaned with an acidic detergent, which excels at removing inorganic residues like salts and oxidation. For manual cleaning (scrubbing, soaking … [Read more...] about Automated and Ultrasonic Cleaning of P20 Steel
Q. Our pharmaceutical company is transferring product manufacture to a different one of our facilities. We used a CIP cleaning process with Citrajet detergent and are going to have to perform validation and verification tests again. What information do we need for our testing? Chemical properties might be helpful as well as the science on how this chemical works. We would also … [Read more...] about Clean in place (CIP) with Citrajet Detergent
Q: How can we clean residual deodorant from our stainless steel tanks? It is proving very difficult. It is largely AlCl3. A: Deodorant, designed to stay in place for obvious reasons, can be quite adherent on processing equipment. If it stays on skin for extended periods, which is designed to avoid residues, imagine what it does to stainless steel! As deodorants are … [Read more...] about Cosmetics Cleaning: Removing Deodorant From Stainless Tanks
Q. In your email you mentioned that Solujet and Citrajet have more sophisticated surfactant systems than a competitor's low foaming washer detergent - could you explain a little bit more what 'surfactant systems' are? A. Absolutely! Surfactants, or Surface Active Agents, are compounds that lower surface tension between particles, such as oil and water. In the oil and water … [Read more...] about Advanced Cleaning Mechanisms: What are Surfactant Systems?
Q. We are washing stainless medical devices in a washer and are getting water spots. We are using Solujet and Citrajet. What’s causing this problem? A. Water spots typically occur because of two main reasons: the orientation of the parts in the washer is trapping dirty wash water and/or detergent dosing is insufficient. If any items being washed have a shape that can retain … [Read more...] about Water Spots on Medical Devices After Washer Cleaning