Category Archives: Knowledge Base

Q&A – What is the Delta P and BFE of Berkshire’s face masks?

cleanroom-industrial-face-masks_ (1)

Q&A – What is the Delta P and BFE of Berkshire’s face masks? The Differential Pressure (DP) is a test that measures how easily air is passed from one side of the mask to the other. This indicates how easily the wearer can breathe through the mask and is indicated by the Delta P. Higher DP [Read More…]

Disinfectant Comparison Chart

At Berkshire, we know that the smallest measure can make the biggest difference. We understand how critical attributes like efficacy, residue, compatibility and safety, forms, and registration inform cleaning protocols when choosing a biocide. VersaHOCl™, an EPA-registered powerful and safer disinfectant alternative for cleaning and disinfecting, meets these key requirements. With VersaHOCl™, we are establishing [Read More…]

PureSorb® is a hydrophilic cleanroom wiper – what does that mean?

PureSorb Foam Wipes

Put simply, hydrophilia is the love of water. It is the property of absorbing water, having a strong affinity for water. What this means for PureSorb® is that it attracts and readily absorbs water molecules or other liquids on contact. This wipe is recommended for use in ISO Class 3 (Class 1) – ISO CLASS [Read More…]

What are the Differences and Similarities Between H2O2 and HOCl for Disinfecting a Cleanroom Surface?

Of all the contamination control activities in a cleanroom, perhaps the most critical are disinfection procedures. That’s because human health depends on the quality and thoroughness of surface disinfection. Many solutions can be considered for surface disinfection, but hydrogen peroxide (H2O2) and hypochlorous acid (HOCI) rate special attention. Hydrogen Peroxide (H2O2) Hydrogen peroxide is a [Read More…]

VersaHOCl™: A Safer Disinfectant Technology


People who use disinfectants face many dilemmas when cleaning their environments effectively. For example, they need to safely disinfect surfaces and equipment while minimizing the harmful effects of traditional disinfectants. Some of these effects include corrosion of metals and plastics, pungent odor and fume, the residue left behind that is difficult to remove, and even [Read More…]

Current EU GMP Annex 1 Update: What Does It Mean for Your Socks?


Have you been keeping track of the recent developments in cleanroom apparel requirements? Have you already begun incorporating the updated EU GMP Annex 1 chapter regarding personal protective equipment (PPE) into your Contaminations Control Strategy (CCS)? If not, please read on and learn about the impact of the new specifications regarding PPE for cleanroom personnel, [Read More…]

What Are the Benefits of a Wiper Dispenser Box?


The new line extension to Berkshire’s Pro-Wipe® family of industrial wipers offers specifically sized 9 x 14”, c-folded wipes delivered in a dispenser box made of premium grade SBS. Benefits: Easy to open and close with a perforated top, the operator can control the size of the opening depending on their preference The dispenser box [Read More…]

What Wiper Do You Recommend for Cleaning Product Surfaces and Production Surfaces?

Semiconductor manufacturing with robotic arms

The cleaning requirements for cleanrooms in non-healthcare industries like microelectronics and aerospace – where critical component manufacturing occurs – allow wipers to get by with either 6% IPA or 100% IPA solutions. However, these non-healthcare industries have more than just gowning room and environmental surfaces to clean, which can tolerate 6% IPA. These can be [Read More…]

What Wiper Do You Recommend For Gowning Room Standard Operating Procedures (SOPs)?


Since the gowning room involves personnel arriving or leaving in street clothes and changing into and out of cleanroom outfits, the activity level and the load of the particles from street clothing will cause this environment to be “dirtier” than the production area. So, it’s crucial to take preventative measures in this area also. Therefore, [Read More…]