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  #11  
Old 09-06-2012, 04:21 AM
david s's Avatar
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Location: Townsville, Nth Queensland,Australia
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Default Re: Ceramic Blanket

I'm sure other members have used rockwool. Don't know how it stands up to heat. If you do a search on the forum you might tap into other users experience.Perlite and vermiculite are manufactured in Mareeba, it might be a cheaper and more workable solution.

Last edited by david s; 09-06-2012 at 04:27 AM.
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  #12  
Old 09-06-2012, 06:25 PM
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Join Date: Jun 2008
Location: Melbourne Australia
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Default Re: Ceramic Blanket

Quote:
Originally Posted by brickie in oz View Post
Rockwool is not ceramic blanket and will not have the insulating properties of ceramic blanket, Rockwool is only good in your ceiling to keep the heat in/out.
And Rockwool hates water.
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  #13  
Old 09-09-2012, 02:20 AM
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Join Date: Jan 2010
Location: brisbane australia
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Default Re: Ceramic Blanket

Gudday
My oven has 2 ins ceramic blanket then 4 ins Rockwool insulation over that.
The ceramic is the primary insulation as the rockwool could not take the heat as the primary insulation. Does it work as a secound insulation ...yes it does my oven holds it heat as well as any other oven. If you search for a thread called " Hi, new Asssie" you find a set of heat readings I did on my oven that will show the heat at the 2 insulation types on a pizza heat oven and a cooling one next day ready for a bake.

Regards Dave
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  #14  
Old 09-13-2012, 09:10 AM
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Join Date: Apr 2011
Location: California
Posts: 24
Default Re: Ceramic Blanket

I have some extra ceramic fiber blanket I bought from Forno Bravo and I would like to use it to insulate a door. I have a concern of it being touched by the welder. Will it burn or catch fire by an open flame?
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  #15  
Old 09-13-2012, 12:28 PM
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Join Date: Jul 2010
Location: Finland
Posts: 152
Default Re: Ceramic Blanket

You can do the door in two parts. Sort of like a box of chocolate. The idea is that you weld them in two parts and afterwards fill with ceramic blanket and then bolt it shut.

I drew a little picture to hopefully make the idea more clear. This is how I did my door.
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  #16  
Old 09-13-2012, 01:13 PM
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Default Re: Ceramic Blanket

Quote:
Originally Posted by spinal tap View Post
I have some extra ceramic fiber blanket I bought from Forno Bravo and I would like to use it to insulate a door. I have a concern of it being touched by the welder. Will it burn or catch fire by an open flame?
It may melt in small places where the arc touches the metal, may but I doubt it.
From memory ceramic blanket is rated at 1500c, welding arcs are 3000c that is at the weld puddle, mm's away it will cool rapidly.
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  #17  
Old 09-13-2012, 01:52 PM
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Default Re: Ceramic Blanket

My riveted door works very well. and you could use blanket no problem.

http://www.fornobravo.com/forum/f8/c...ota-16394.html (Chip's 42 in Minnesota)

Chip
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  #18  
Old 09-13-2012, 03:01 PM
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Join Date: Jun 2008
Location: Melbourne Australia
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Default Re: Ceramic Blanket

Quote:
Originally Posted by brickie in oz View Post
It may melt in small places where the arc touches the metal, may but I doubt it.
From memory ceramic blanket is rated at 1500c, welding arcs are 3000c that is at the weld puddle, mm's away it will cool rapidly.
1260C is the working limit, but melts at 1700C Alan. Shouldnt have many dramas.
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  #19  
Old 09-14-2012, 12:45 AM
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Default Re: Ceramic Blanket

Quote:
Originally Posted by Johnny the oven man View Post
but melts at 1700C Alan.
I knew that as soon as I posted it, my gas forge got to 1550c I think the other day and the blanket glowed like buggery but was still there....
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