Q: What is the difference between stacked and bulk packaged knitted cleanroom wipes? A: Stacked Each wipe is inspected and stacked one on top of the other. The end result is an even square pack that allows each wipe to be removed individually from the pack. Bulk Bulk packaged wipes are placed into a bag with a [Read More…]
Q: What do you recommend for cleaning wide format solvent printer caps and printheads? A: In the September/October 2016 SGIA Journal article written by Bob Flipse, President, GrafxNetwork titled “Wide-Format Printer Maintenance: Prepare, Prevent, Prevail”, Bob said “not Q-Tips!”. Berkshire agrees. 100% cotton tipped swabs will leave behind fibers that could adversely impact the seal. [Read More…]
Cleanroom Swabs 101 – Closed Cell Vs. Open Cell Polyurethane Foam Sock Tip Swabs 1. How are sock tip polyurethane foam swabs constructed? Sock tips are made by sandwiching the swab handle between multiple layers of thermoplastic head material. The head material is completely sealed and bonded to the handle with heat and pressure. No contaminating adhesives, silicone, amides, and [Read More…]
“Lint Free Wipes” is a term that evolved with the semiconductor industry since it’s infancy and is a descriptive way of saying the application requires a low-linting solution. A search on the internet returns a plethora of web related searches for Lint Free Wipes. The only problem is that there is technically not such thing [Read More…]
Web searches for “Lint Free Wipes” provide some interesting information. A Google search returns 82,300 hits. A search of “lint-free” on the American Society for Testing Materials (ASTM) site returns 265 hits, and a search of “lint-free” on the United States Pharmacopeia (USP) site returns 737 hits. Of these, three are contained in the <797> document on [Read More…]
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