Author Topic: Toxicity of Lead Carbonate when used in stock finishes  (Read 4405 times)

trimegistus

  • Guest
Toxicity of Lead Carbonate when used in stock finishes
« on: February 11, 2011, 03:24:48 AM »
After reading current and past threads about linseed oil finishes and the process of boiling with lead carbonate and various other admixtures, I cant help but wonder about their toxicity.  If you read though the MSDS for lead carbonate it is, aas one might assume a mild carcinogen, even simply through skin contact if over long periods of time.  I understand these fnishes have been around for a long time and are considered standard faire, and with good reason, they are gorgeous. At the rate of one teaspoon per 8-16 ounces of oil, it is fairly diluted i suppose.  Does anyone have any information, scientific or anecdotal about the possible toxicity of these finishes?  I have had great results with beeswax finishes on several wooden knife sheaths and am trying to decide which I would rather put on my stock, the beeswax or the likely more durable BLO finish.  If I can find out that there is really nothing to be worried about with the lead carbonate finishes, I do think I would go with that.  Not trying to hijack anyones thread, I just figured the toxicity discussion might clutter of the existing threads.

Sitting in the warm sun of California

David

Offline Jim Kibler

  • Hero Member
  • *****
  • Posts: 4527
    • Personal Website
Re: Toxicity of Lead Carbonate when used in stock finishes
« Reply #1 on: February 11, 2011, 03:44:19 AM »
Unless you plan on chewing on your gunstock, I wouldn't worry about a leaded oil finish.  Hand contact with a cured finish would surely pose little danger.  Loading a flitlock alone,  requires contact with lead after all.

trimegistus

  • Guest
Re: Toxicity of Lead Carbonate when used in stock finishes
« Reply #2 on: February 11, 2011, 04:08:01 AM »
Yea I have definitely gotten that thin lead film on my fingers from handling the balls, and just wash it off at the end of the session.  I was more thinking along the line that with the lead dissolved into the oil, the oil may act as a carrier and facilitate the transfer of lead through the skin.  And the prolonged contact with the oil during finishes annd use.  I guess with all the lead contact that comes along with flintlock/muzzle loaders, the lead in the finish is just par for the course. 

Offline BrentD

  • Full Member
  • ***
  • Posts: 199
Re: Toxicity of Lead Carbonate when used in stock finishes
« Reply #3 on: February 11, 2011, 04:13:00 AM »
there are many many good finishes and recipes for finishes out there.  Why even consider a lead based finished?  I just don't see the point.  And lead in bullets is a lot different than lead that is dissolved in some other compound. 

Offline davec2

  • Hero Member
  • *****
  • Posts: 2981
    • The Lucky Bag
Re: Toxicity of Lead Carbonate when used in stock finishes
« Reply #4 on: February 11, 2011, 05:17:49 AM »
I'm with Jim on this.  Unless you plan to eat a dozen or more gunstocks, I would not worry at all about lead contamination.  The only health concerns I have about lead are getting in the way of a piece of it traveling at right around the speed of sound.
"No man will be a sailor who has contrivance enough to get himself into a jail; for being in a ship is being in a jail, with the chance of being drowned... a man in a jail has more room, better food, and commonly better company."
Dr. Samuel Johnson, 1780

Offline Dphariss

  • Hero Member
  • *****
  • Posts: 9928
  • Kill a Commie for your Mommy
Re: Toxicity of Lead Carbonate when used in stock finishes
« Reply #5 on: February 11, 2011, 08:28:10 AM »
there are many many good finishes and recipes for finishes out there.  Why even consider a lead based finished?  I just don't see the point.  And lead in bullets is a lot different than lead that is dissolved in some other compound. 

Lead adds certain desirable qualities to stock finish. It reduces drying time related to high humidity for example.
I live in Montana I have not bothered with it. But I have some oil processed with lead carbonate.
People get all worried about lead. Yeah lead can be bad in certain specific situations. But the amount in stock finish is far far less than in leaded white paint. 
Its not like the Roman's using lead acetate to sweeten wine (no it was not lead pipes that caused the problems).

Dan
He who dares not offend cannot be honest. Thomas Paine

Offline bob in the woods

  • Hero Member
  • *****
  • Posts: 4559
Re: Toxicity of Lead Carbonate when used in stock finishes
« Reply #6 on: February 11, 2011, 05:00:17 PM »
With casting literally thousands of balls and bullets in a year, and handling and shooting same, I thought that I'd have my blood teated for lead..just one of those thoughts that come to mind ;D   Anyway, results were negative. I don't worry about it anymore.

Offline Mad Monk

  • Hero Member
  • *****
  • Posts: 1033
Re: Toxicity of Lead Carbonate when used in stock finishes
« Reply #7 on: February 11, 2011, 07:27:20 PM »
With casting literally thousands of balls and bullets in a year, and handling and shooting same, I thought that I'd have my blood teated for lead..just one of those thoughts that come to mind ;D   Anyway, results were negative. I don't worry about it anymore.

Lead styphnate used in cartridge primers and percussion caps can be a health issue with indoor shooting.  Far more dangerous than contact with lead balls or gunstock finishes with only traces of lead locked into the finish.

A shooter I know used to shoot out of a shooting shack.  He and his buddies would not hold the gun outside the little window they were shooting out of.  So all of the primer compound blown out of the gun would end up in the air in the shack.  A blood test showed that they should hold the guns just outside the window where the spent primer compounds would be carried away in the air.

E. Ogre