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Licron Crystal ESD Safe Coating
The EDS-safe properties don’t fade over time. The only thing they have to worry about is wear-and-tear on the surface. If a walking surface, I would recommend a floor coating instead. If a working surface, I would suggest putting and ESD-safe mat over the Licron Crystal coated surface. Licron Crystal is not chemically resistant, so the mat becomes very important if we are cleaning with a solvent like IPA and dripping it all over the place. If it is a surface out of reach, so it doesn’t get abused, I would recommend they check the resistivity every month, if it is critical, or every 3 months if less critical. If the resistivity hasn’t changed, they can leave it alone. How often they will have to reapply depends on the environment. If a clean environment, they can wipe down with water and make it last for a very long time – years even. If in a greasy, sooty environment, they will have to clean with some kind of cleaning agent, which can degrade the coating. This will require more frequent reapplication.
Yes, HDPE (plastic) drums are designed to accept commonly available 2” threaded spigots / spouts. Spigots are available at distributors, like at https://www.grainger.com/product/GRAINGER-APPROVED-Drum-Tap-6PFN4.
The shelf life of a product can be found on either the technical data sheet (TDS), available on the product page, or by looking on the certificate on conformance (COC). The COC can be downloaded by going to https://www.techspray.com/coc. Once you have the shelf life, you will need to add it to the manufacture date for a use-by date. The manufacture date can be identified by the batch number. The batch code used on most of our products are manufacture dates in the Julian Date format. The format is YYDDD, where YY = year, DDD = day. For example, 19200 translates to the 200th day of 2019, or July 19, 2019. This webpage explains and provides charts to help interpret our batch numbers: https://www.techspray.com/batch-codes.
Licron Crystal is being used to turn a plexiglass divider into an ESD-safe divider. A common question is how to disinfect from pothogens like SARS-COV-2 (coronavirus -- the virus that causes COVID-19) without degrading the static dissipative properties? 1) Avoid alcohol-based cleaners, because they can break-down Licron, especially with repeated use. Stay with Clorox types of disinfectants, and other similar cleaners. 2) Avoid wiping dry, which can abrade and wear off the coating. Either allow the disinfectant to air dry, or blot dry with a non-abbrasive wipe material. Paper towels can be rough because they are cellulose based. A soft material like microfiber (e.g. part #2363-50) or polyester knit wipe (part #2355-100) would be preferable. 3) Check coating integrity with a risistivity meter once the cleaner has dried. If resistance increased above acceptable range, reapply Licron Crystal.