rstor Posted August 16, 2017 Share Posted August 16, 2017 Hello, I was reading on the forum about the use of Penetrol to clear coat bare steel. Someone had mentioned earlier: Quote We use a product called Penetrol which is actually a paint additive but it does give a fairly durable clear finish, even outdoors it lasts a couple of years before needing re-coating. https://www.iforgeiron.com/topic/48866-clear-coat-sealer-question/ I had purchased a metal drawer cabinet that were in rough condition and had someone blast it with copper slag. The cabinet chassis in the attached pictures was then sanded using an orbital sander to smooth the finish. (Outdoors) I had cleaned the surface with isopropyl alcohol and then proceeded to apply Penetrol. Outdoor humidity was about 70% and it had just rained. On the attached pictures you see some brown discolorations. I am curious to know is this rust or something else? Quote Link to comment Share on other sites More sharing options...
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