I've been using Fireclean for quite a while now and it's been very good. I have also used Slip2000 EWL to a much lesser extent. Recently, I applied Slip2000 EWL to a new upper, cleaned with MPro7 prior to application. One thing I noticed right off the bat is that Slip EWL has a much higher capillary action. Within a couple of hours, it was seeping out of the upper around the charging handle, and around the FCG pins, etc.
FC doesn't really do that, or at least to a lesser extent. I'm curious to see how that capillary action correlates to how the slip2000 burns off / evaporates.


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