Remove rust from cast iron12/15/2023 If one were to do this frequently, yes, it would be better to use a flat stone. You have a very flat surface and polishing as you did in this video will mess up that flatness. Plenty of WD 40 works great but NEVER clean it with anything but a very flat abrasive stone, like a sharpening stone. ![]() I’ve cleaned up rust off of cast iron more times than I care to remember. I was a machinist, then a manufacturing engineer in metal machining shops for over 40 years. I love your videos but this one demonstrated a no-no. We would like to offer you a special promotion for your first-year membership. We are convinced you will enjoy the benefits of becoming a member and having access to the best instructional how to videos and professional tips. We’d love to have you be a part of our community. WoodWorkers Guild of America Video Membership However, if you want to take those additional precautions that’s fine. George has never had any problems using the approach that he demonstrated here. ![]() Good idea but shouldn’t you have taped off the two areas and used a separate piece of scotchbrite on the other side vs dragging solution 1 into solution 2, possibility of a potential chemical reaction that could have an adverse effect on the CI or with each other? I know i might be too cautious but some products have ingredient names that are unpronounceable let alone what interactions with other products Reply Here is a good sealer that you can use for this: What is the woodworking sealer you used after cleaning the rust? I recently found an old cast-iron jointer/planer manufactured in the 50’s that has a rusted surface and I want to restore it. That is the exact same question I was asking myself as well …we see both products being used side by side as to have a comparison, but I guess I must have missed the result of the comparison I was expecting from such a comparison… Reply Did he find one better than the other? Reply We hVe been told if there is any difference between the two lubricants that he used for wet sanding. Thank you for the suggestion! We will pass this along to George. It’s also considerably faster than using the scotch bright. A clean, flat 220 grit, or higher sharpening stone is a much better approach. I was a machinist then engineer for many years and had to clean up many a rusty or banged up milling machine table. George, The chemicals you used for this video are good, WD-40 is also, but the abrasive process you used could leave flatness imperfections on the table surface. Usually a scotch Brite pad on a sanding block finishes off the rust removal. I sprinkle it on the spray and mix them up until I get a slurry. It’s intended to clean and polish stainless steel. After letting the spray sit for 15 minutes, I sprinkle on Bar Keepers Friend. I clean off rust the same way you do–with penetrating spray–but I use a “new improved” version. WD-40 isn’t bad either but white vinegar is good too. Wood Workers Guild of America Video Membership Reply Please let us know if you have any further questions ![]() Yes, you could use that approach for a hand plane. Here’s what the experts had to say about your question: Would this be the same process for surface rust on a hand plane? Reply I use a grill brick and oil or WD40, then use a good paste wax and I am good all winter long, this makes the table top like new. ![]() I also soak my tools in muric acid and I’ve also used miric acid on my old rust vise but do it where you have good ventilation or outside with a mask or respirator on. I use crud cutter rust remover and the gel spray it down let it sit 15 minutes wipe it off it’s almost spotless. Δ 40 Responses to “Cleaning a Rusty Table” Mail (required) (will not be published).
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