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Forum index » Science and Technology » Chem » Coatings
Will poison come off the coating on this cake rack?
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Pelerin Galimatias
science forum beginner


Joined: 23 Jul 2005
Posts: 8

PostPosted: Sun Mar 20, 2005 2:42 am    Post subject: Re: Will poison come off the coating on this cake rack? Reply with quote

In article <bvpb211ac62h62dt53lserec9lratsr5l5@4ax.com>, meirman@invalid.com
says...
Quote:

I'm worried that the coating on a cake rack will burn off and poison
me or my guests.

I have an old gas grill, and the grate that is meant to hold lava
rocks has rusted so much, it is so thin, I can bend it with my little
finger. :)

I can make a good replacement by using two 10" square cake cooling
racks.

One kind is covered with "non-stick", which is I guess an imitation of
teflon. And I'm sure I could find shiny silver-colored metal ones --
I don't know what their outer layer is made of.

Do either of these present a danger to me when the propane gas flames
burn around the metal, and the air rises?


I have a respirator with carbon cannisters meant to absorb poisonous
fumes.
I could use a propane torch to burn off the coating in advance.

Would that be enough, and should I wear the respirator?

You should get racks especially made for cooking. I've heard that

one should never use the racks from old refrigeraters as cooking
grills because they contain cadmium.
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Steve Turner
science forum beginner


Joined: 25 Mar 2005
Posts: 3

PostPosted: Fri Mar 04, 2005 12:29 am    Post subject: Re: Will poison come off the coating on this cake rack? Reply with quote

On Wed, 02 Mar 2005 11:27:57 -0500, meirman <meirman@invalid.com>
wrote:

Quote:
I'm worried that the coating on a cake rack will burn off and poison
me or my guests.

I have an old gas grill, and the grate that is meant to hold lava
rocks has rusted so much, it is so thin, I can bend it with my little
finger. :)

I can make a good replacement by using two 10" square cake cooling
racks.

One kind is covered with "non-stick", which is I guess an imitation of
teflon. And I'm sure I could find shiny silver-colored metal ones --
I don't know what their outer layer is made of.

Do either of these present a danger to me when the propane gas flames
burn around the metal, and the air rises?

Yes. Don't use coated ones. At best, the coating will burn off
anyway. At worst, it will make you sick as it does so. Start with
the shiny uncoated ones.

Steve Turner
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Uncle Al
science forum Guru


Joined: 24 Mar 2005
Posts: 1226

PostPosted: Wed Mar 02, 2005 5:34 pm    Post subject: Re: Will poison come off the coating on this cake rack? Reply with quote

meirman wrote:
Quote:

I'm worried that the coating on a cake rack will burn off and poison
me or my guests.

I have an old gas grill, and the grate that is meant to hold lava
rocks has rusted so much, it is so thin, I can bend it with my little
finger. :)

I can make a good replacement by using two 10" square cake cooling
racks.

One kind is covered with "non-stick", which is I guess an imitation of
teflon. And I'm sure I could find shiny silver-colored metal ones --
I don't know what their outer layer is made of.

Do either of these present a danger to me when the propane gas flames
burn around the metal, and the air rises?


I have a respirator with carbon cannisters meant to absorb poisonous
fumes.
I could use a propane torch to burn off the coating in advance.

Would that be enough, and should I wear the respirator?

Non-stick silicone will pyrolyze with the usual organic smoke. Don't
breathe dispersed crystalline silica. Non-stick Telfon will pyroylze
to release deadly toxic fluorinated alkenes.

--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz.pdf
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Frank Logullo
science forum beginner


Joined: 10 May 2005
Posts: 33

PostPosted: Wed Mar 02, 2005 5:34 pm    Post subject: Re: Will poison come off the coating on this cake rack? Reply with quote

"meirman" <meirman@invalid.com> wrote in message
news:bvpb211ac62h62dt53lserec9lratsr5l5@4ax.com...
Quote:
I'm worried that the coating on a cake rack will burn off and poison
me or my guests.

It will probably poison you first if you try to burn or burn off the PTFE

coating. I don't think anyone has ever died from polymer fume fever but you
will feel like you have the flu. You can buy replacement grill parts,
either exact from grill manufacturer or parts that adjust to fit many
grills.
Frank
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meirman
science forum beginner


Joined: 11 Jun 2005
Posts: 4

PostPosted: Wed Mar 02, 2005 3:27 pm    Post subject: Will poison come off the coating on this cake rack? Reply with quote

I'm worried that the coating on a cake rack will burn off and poison
me or my guests.

I have an old gas grill, and the grate that is meant to hold lava
rocks has rusted so much, it is so thin, I can bend it with my little
finger. Smile

I can make a good replacement by using two 10" square cake cooling
racks.

One kind is covered with "non-stick", which is I guess an imitation of
teflon. And I'm sure I could find shiny silver-colored metal ones --
I don't know what their outer layer is made of.

Do either of these present a danger to me when the propane gas flames
burn around the metal, and the air rises?


I have a respirator with carbon cannisters meant to absorb poisonous
fumes.
I could use a propane torch to burn off the coating in advance.

Would that be enough, and should I wear the respirator?

Thanks a lot.

Meirman
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