how to remove tree sap stains from knife

T

tedward

Joined
Mar 13, 2013
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73
i took my case knife to a bonfire yesterday and lent it to a friend, he then lent it to some girls that used it to sharpen sticks (that were still green). the blade got stained and sticky. i tried wd-40, nail polish remover, and lighter fluid but the blade is still stained.

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A abrasive cleanser like Comet or Barkeepers Friend and a wine cork would probably do it. Make a paste in a small container. Dip the cork in it and have at it. You could also use Flitz or Simichrome polish with the cork to polish if need be.
 
Alcohol rubbing at it with an eraser (youll end up with a rubber residue that wipes off)
Maybe dont try the acetone with an eraser.
The cork idea is interesting - probably less reactive than an eraser too
 
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+1 on Goo Gone.

But what is the blade metal? Depending on the nature of the stain, you may have a different job ahead of you.
 
I had the same problem with a Mercator (carbon bladed), I cut green sticks with it and ten minutes later, rust/patina showed up.

Very fine abrasive like 0000 steel wool and some elbow grease fixed that. Then wax/ polish it so the blade looks pretty again.
 
Goop cream hand cleaner. Safe and non abrasive

best

mqqn
 
Flitz or some other fine metal polish. Or you could just let it go and form a patina from use. I personally love an old looking patina'd Case.
 
brake cleaner - the non-flammable chlorinated kind - If you are not in California :)
 
The staining appears to be black/grey oxide (assuming the sap itself has been cleaned off, and the blade is no longer sticky). Polishing paste like Flitz/Simichrome can be used to remove it. So long as there's no red rust hiding amongst the black/grey staining, it won't hurt your blade. That's otherwise called 'patina'. :)

The sap itself usually can be removed with Goo-Gone (what I always use) or the WD-40, lighter fluid/kerosene, alcohol (sometimes) as previously mentioned.


David
 
Remember like disolves like kind. So use a similar compound to the sap to remove it, mayonaise or peanut oil work well. If toxic chemicals are your thing, Goo Gone is great. The staining is another matter. Buff and polish.


-X
 
BTW, the oily residue left by Goo-Gone can be cleaned up with Windex. Forgot to mention that, but it's what I do when using Goo-Gone. Stuff is fool-proof for removing tree-sap and glues & sticker residues, so I'm willing to do the additional few seconds' of wipedown with Windex afterwards.


David
 
is looks like it got a bit of a patina from that. as others said it will need to be polished off.
 
My dad has always just told me to use gasoline. It's dangerous and may stain your blade if you aren't careful but it works like a charm.
 
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