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Old 02-02-2011, 11:20 AM
Laborer
 
Join Date: Jan 2011
Location: Christchurch, New Zealand
Posts: 79
Default Asbestos in bricks ?

I saw a document mentioning kiln firebricks sometimes contain asbestos. I assume all firebricks made in last couple of decades won’t have asbestos but what about older firebricks. How commonly was asbestos used ? Sounds like making a WFO creates lots & lots of dust unless have a wet saw...which I won't as we don't have HF in NZ. Not keen on doing anything with asbestos.
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Old 02-02-2011, 11:48 AM
Journeyman
 
Join Date: Oct 2005
Location: Gilbert, AZ
Posts: 423
Default Re: Asbestos in bricks ?

Each manufacturuer has their own process - though all of the analytical that I have in my records for almost 100 years of bricks in the SW US indicate nothing. If you are concerned about some recycled bricks, take a chip off and send it to an asbestos lab for $10 to $15.

I do know some refractory muds did contain asbestos though
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Old 02-02-2011, 12:53 PM
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Location: Ausitn
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Default Re: Asbestos in bricks ?

I also know of no bricks made using asbestos, although plenty of kiln insulation was either composed of or contained asbestos.
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Old 02-02-2011, 03:41 PM
Laborer
 
Join Date: Jan 2011
Location: Christchurch, New Zealand
Posts: 79
Default Re: Asbestos in bricks ?

I'll almost certainly be using new as chances of finding used is 0.001% but thought it was worth asking as it's very nasty stuff. I'm still waiting on Forno Bravo NZ to reply to my messages....perhaps they have gone.
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Old 02-02-2011, 04:41 PM
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Join Date: Jun 2008
Location: Melbourne Australia
Posts: 399
Default Re: Asbestos in bricks ?

Quote:
Originally Posted by Tscarborough View Post
I also know of no bricks made using asbestos, although plenty of kiln insulation was either composed of or contained asbestos.
CORRECT, no asbestos in firebricks. Asbestos was used in insulating situations.
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Old 02-02-2011, 06:26 PM
Journeyman
 
Join Date: Oct 2005
Location: Gilbert, AZ
Posts: 423
Default Re: Asbestos in bricks ?

However, there is silica which can cause "issues" according to OSHA and the state of California. Just take precautions with minimizing the dust, wearing a good dust mask (which is rated at P95 or better) and working with the bricks as wet as possible.
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