DMT?

miltmaldo

Gold Member
Joined
Feb 5, 2012
Messages
3,581
Do the plates get rust on them is this normal . I used them on my ESEE 4 and a GEC 71 I cleaned them and I can't get these rust marks cleaned .

Will ad pictures later
 
If non-stainless swarf is left on the plates, especially after sharpening with water, the leftover embedded swarf can rust on the surface. It's probably not the plate itself, as the steel should be sealed under nickel coating.

Some Bar Keepers Friend cleanser & water, scrubbed with a stiff brush, should clean it up. It uses oxalic acid to dissolve rust, going a step beyond other abrasive cleansers, so it works very, very well. Make sure to rinse it off thoroughly, after the scrubbing. BKF's instructions recommend not leaving it on the surface longer than ~ 60 seconds or so; it shouldn't need much more time than that, to do the job.


David
 
I'll look into the BKF . But will like to know if this is common and if some member have seen this before . I just started getting the hand of free hand sharpening And this happened . Also does anyone knows how good Is DMT customer service .
 
I'll look into the BKF . But will like to know if this is common and if some member have seen this before . I just started getting the hand of free hand sharpening And this happened . Also does anyone knows how good Is DMT customer service .

It's been seen before, and based on posts I've seen here, seems pretty common IF one doesn't clean the plates after each sharpening. I've been in the habit of washing my DMT plates immediately after each sharpening, with some dish soap & water and scrubbing with an old toothbrush. I've avoided it in that manner. But sometimes, with non-stainless swarf, rust can start appearing in minutes' time on a wet/damp diamond plate, even while still working with it.

It's probably more common in humid environments as well, if the plate takes a long time to dry out, and if any swarf remains on the surface. In such an environment, wiping it down with some isopropyl alcohol, after washing & drying, is an easy way to remove any residual moisture.

It's completely avoidable if one chooses a different liquid, other than water, to wet the hone. I've gotten into the habit of using some light honing oil (mineral oil) on mine; it cleans up easily with dish soap & water as well.


David
 
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A pinch of baking soda and water prevents rust and tarnish for the most part. Otherwise, the rust is all on the surface, a rub with a piece of hardwood and a few drops of water seems to clean them up pretty well, though will not remove tarnish.
 
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