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Bone covers and Potasium Permanganate 354

Global Moderator Point Of No Return Posts: 38,890
Bone covers and Potasium Permanganate
« on: May 08, 2019, 07:54:49 PM »
I have a couple of knives where the bone covers were badly mismatched in color so I had read about using Potasium Permanganate to darken bone. I decided to get some and give it a try. I found some on ebay and it arrived yesterday. I had some luck darkening the bone on a couple of really old knives and it worked fairly well.  I suspect that there is too much oil and contaminants in the old bone for it to be  completely effective. It did work fairly well in matching them better.

I also have this GEC Harness Jack that I've done some work on reprofiling the blade  and adjusting the tangs as it was a bit of a nail breaker. One other thing about it is that I've never really like the light honey color on the covers. I decided to try and darken them with the  PP and it really worked well.


Here are some before and after pics


Before/After





Very pleased how this turned out !


link

Potassium-Permanganate
He Who Has The Most Nuts, Wins! Posts: 51,920
Re: Bone covers and Potasium Permanganate
« Reply #1 on: May 08, 2019, 07:59:43 PM »
Looks much better nice job Steve  :like: :tu:

fail to prepare prepare to fail
No Life Club Posts: 1,871
Re: Bone covers and Potasium Permanganate
« Reply #2 on: May 08, 2019, 08:08:17 PM »
Great job! I used it myself for the first time recently on Elk handles. Worked nicely. I just had to be patient and work slowly. Neither of which I'm very good at.  :rofl:

From this:



to this:


"It is better to lose health like a spendthrift than to waste it like a miser." - Robert Louis Stevenson
He Who Has The Most Nuts, Wins! Posts: 51,920
Re: Bone covers and Potasium Permanganate
« Reply #3 on: May 08, 2019, 08:10:07 PM »
Makes it look much nicer  :dd: :like: :like:

fail to prepare prepare to fail
Global Moderator Point Of No Return Posts: 38,890
Re: Bone covers and Potasium Permanganate
« Reply #4 on: May 08, 2019, 08:16:32 PM »
Great job! I used it myself for the first time recently on Elk handles. Worked nicely. I just had to be patient and work slowly. Neither of which I'm very good at.  :rofl:

From this:

(Image removed from quote.)

to this:

(Image removed from quote.)


Nice job !   Yes, it does require some patience and in my case quite a few coats. I wasn't sure how strong to mix it so I started with it too diluted. Worked my way up to fairly strong mix that did the trick.
Zombie Apprentice Posts: 12,862

Nix us

******** * *
Re: Bone covers and Potasium Permanganate
« Reply #5 on: May 08, 2019, 08:21:09 PM »
Nice work, guys!   :tu:
No Life Club Posts: 1,871
Re: Bone covers and Potasium Permanganate
« Reply #6 on: May 08, 2019, 08:32:07 PM »

Nice job !   Yes, it does require some patience and in my case quite a few coats. I wasn't sure how strong to mix it so I started with it too diluted. Worked my way up to fairly strong mix that did the trick.

I had to apply quite a few coats also. Gently working the darkness in. As the PP burns the bone I experimented with leaving the liquid on for longer periods of time for more effect, allowing it to pool into the grooves, applying each time with a q-tip and I had to be very careful not to allow it to leak into the areas I didn't want to burn at the edges. I can't remember how much I diluted by, possibly 1:20 with water? When it was done I sanded it down gently then buffed for a pocket worn effect. I got a good shine from the bone.


"It is better to lose health like a spendthrift than to waste it like a miser." - Robert Louis Stevenson
No Life Club Posts: 3,598
Re: Bone covers and Potasium Permanganate
« Reply #7 on: May 08, 2019, 08:33:09 PM »
Steve, that's great job!  It gave it a more seasonal feel. :like:


Do you apply Potasium Permanganate evenly on the entire covers or just the part you'd like to darken? 
Global Moderator Point Of No Return Posts: 38,890
Re: Bone covers and Potasium Permanganate
« Reply #8 on: May 08, 2019, 08:45:45 PM »
Just the parts you want to darken. I let it pool in the jigging and left it in there for longer than the shiny parts. I stayed off the light areas by the bolsters. I found that at first the liquid would bead up and I had to rub it in a few times until it started sit more evenly. I suspect the less polished the bone the easier it would work.
No Life Club Posts: 3,598
Re: Bone covers and Potasium Permanganate
« Reply #9 on: May 08, 2019, 09:57:31 PM »
Just the parts you want to darken. I let it pool in the jigging and left it in there for longer than the shiny parts. I stayed off the light areas by the bolsters. I found that at first the liquid would bead up and I had to rub it in a few times until it started sit more evenly. I suspect the less polished the bone the easier it would work.


Thanks, these are all helpful tips and am sure it will be helpful down the road as I collect more knives with bone covers :tu:
Hero Member Posts: 954
Re: Bone covers and Potasium Permanganate
« Reply #10 on: May 09, 2019, 12:36:58 AM »
I am surprised you can even purchase potassium permangante  as it is an essential ingredient in:1) rocket fuel and 2) high explosives.Is it pure or is it in solution?
Absolutely No Life Club Posts: 8,719
Re: Bone covers and Potasium Permanganate
« Reply #11 on: May 09, 2019, 12:40:20 AM »
I have a couple of knives where the bone covers were badly mismatched in color so I had read about using Potasium Permanganate to darken bone. I decided to get some and give it a try. I found some on ebay and it arrived yesterday. I had some luck darkening the bone on a couple of really old knives and it worked fairly well.  I suspect that there is too much oil and contaminants in the old bone for it to be  completely effective. It did work fairly well in matching them better.

I also have this GEC Harness Jack that I've done some work on reprofiling the blade  and adjusting the tangs as it was a bit of a nail breaker. One other thing about it is that I've never really like the light honey color on the covers. I decided to try and darken them with the  PP and it really worked well.


Here are some before and after pics


Before/After

(Image removed from quote.)(Image removed from quote.)

(Image removed from quote.)(Image removed from quote.)

Very pleased how this turned out !


link

Potassium-Permanganate

That turned out rather well!     :drool:     :like:

What? Enablers! Are you serrrrious? Where? I dont see any.

Hold Fast
Absolutely No Life Club Posts: 8,719
Re: Bone covers and Potasium Permanganate
« Reply #12 on: May 09, 2019, 12:41:46 AM »
Great job! I used it myself for the first time recently on Elk handles. Worked nicely. I just had to be patient and work slowly. Neither of which I'm very good at.  :rofl:

From this:

(Image removed from quote.)

to this:

(Image removed from quote.)

Looks very nice!    :drool:     :like:

What? Enablers! Are you serrrrious? Where? I dont see any.

Hold Fast
Zombie Apprentice Posts: 16,859 I'm not a pessimist, I'm an experienced optimist!
Re: Bone covers and Potasium Permanganate
« Reply #13 on: May 09, 2019, 01:39:10 AM »
Nice work, guys  :cheers:



The cantankerous but occasionally useful member, formally known as 50ft-trad
No Life Club Posts: 1,871
Re: Bone covers and Potasium Permanganate
« Reply #14 on: May 09, 2019, 06:36:19 AM »
I am surprised you can even purchase potassium permangante  as it is an essential ingredient in:1) rocket fuel and 2) high explosives.Is it pure or is it in solution?

It's also used as a disinfectant and drain cleaner or drain something or other.

"It is better to lose health like a spendthrift than to waste it like a miser." - Robert Louis Stevenson
No Life Club Posts: 3,598
Re: Bone covers and Potasium Permanganate
« Reply #15 on: May 09, 2019, 07:52:32 AM »
It's also used as a disinfectant and drain cleaner or drain something or other.


Yes, and also good for water purification or fire starter(for survival kit/emergency use) before all the water tablets become popular.
Global Moderator Zombie Apprentice Posts: 18,316
Re: Bone covers and Potasium Permanganate
« Reply #16 on: May 09, 2019, 03:07:12 PM »
Never heard of PP.  Would the covers darken over time with use?  I like the final product a lot on both examples I especially like the knives. 

Esse Quam Videri
Global Moderator Point Of No Return Posts: 38,890
Re: Bone covers and Potasium Permanganate
« Reply #17 on: May 09, 2019, 03:12:11 PM »
Never heard of PP.  Would the covers darken over time with use?  I like the final product a lot on both examples I especially like the knives. 

I don't think bone darkens much over time unless it's bleached bone.  Two of the knives I used it on are 50-80 years old where one side was significantly lighter than the other.
Global Moderator Zombie Apprentice Posts: 18,316
Re: Bone covers and Potasium Permanganate
« Reply #18 on: May 09, 2019, 03:42:17 PM »
Very interesting.  It sure came out nice thats for sure.  There always seems to be a way.  Its nice to get the look you want and enjoy the knife even more. 

Esse Quam Videri
Zombie Apprentice Posts: 12,802
Re: Bone covers and Potasium Permanganate
« Reply #19 on: May 10, 2019, 08:59:58 AM »

Very interesting Guys  :salute:

Everything’s adjustable
No Life Club Posts: 3,489
Re: Bone covers and Potasium Permanganate
« Reply #20 on: May 10, 2019, 10:26:24 AM »
 :salute:

I have a little tub sitting waiting........good bone is hard to find!
Wielder of the Bow of Banishment. Admin Team Point Of No Return Posts: 31,219 El Presidente del Fan Club Micky D
Re: Bone covers and Potasium Permanganate
« Reply #21 on: May 10, 2019, 11:28:15 AM »
Looks like it works very well indeed.  Nice job gents.  :hatsoff:

Try not to be the person who blunders around and causes everyone else to get out the way.  Everyone else thinks you're a utter...
Global Moderator Point Of No Return Posts: 38,890
Re: Bone covers and Potasium Permanganate
« Reply #22 on: May 10, 2019, 05:41:05 PM »
Thanks    :cheers:
Absolutely No Life Club Posts: 6,925
Re: Bone covers and Potasium Permanganate
« Reply #23 on: May 12, 2019, 06:49:48 PM »
I have a couple of knives where the bone covers were badly mismatched in color so I had read about using Potasium Permanganate to darken bone. I decided to get some and give it a try.

Very pleased how this turned out !



Very nice Steve! :like: :tu: :tu:
Global Moderator Point Of No Return Posts: 38,890
Re: Bone covers and Potasium Permanganate
« Reply #24 on: May 12, 2019, 09:58:34 PM »
Thanks !    :hatsoff:

 

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