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Paint Markers That Actually Stick to Oily Steel
Not all permanent markers are created equal. A $3 Sharpie fails on oily steel within a week, but industrial paint markers use solvent-borne resins that crosslink into durable films. This episode breaks down five brands — Markal, Dykem, Uni Paint, Edding, and Sakura — across three key axes: adhesion to low-energy surfaces, drying time vs durability, and applicator robustness. Learn why Markal's alkyd resin mechanically locks into porous concrete, how Dykem's acetone blend chemically bonds to plastics, and why Uni Paint's flexible film survives thermal cycling on engine components. Plus…
The skinny
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