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kmrn1010
Active Contributor

Join Date: May 2012
Posts: 22

Ceramic Fiber Board Heat Blocking Capabilities?

06/01/2013 5:13 PM

Hi,

I wanted to know the heat blocking capabilities of 1/2" thick ceramic fiber board. I want to narrow the heat in straight line, heat coming from nichrome wire whose initial temperature is 70-80 degrees centigrade, so

How long did ceramic fiber board not heat too much? that when we place an object on the board it will not get hot from the heat of board.

I tried with MDF board, it shows good resistant to heat but it will burn after some period.

Thanks.
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Pathfinder Tags: board ceramic fiber resistance thermal conductivity
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Fredski
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Join Date: Feb 2011
Posts: 7025
Good Answers: 207
#1

Re: Ceramic fiber board heat blocking capabilities?

06/01/2013 5:59 PM

Google and a telephone are your friend
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SolarEagle
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Join Date: Mar 2007
Location: by the beach in Florida
Posts: 33392
Good Answers: 1817
#2

Re: Ceramic fiber board heat blocking capabilities?

06/02/2013 3:42 PM

Typical 1/2" ceramic fiber board can easily withstand 80ºC .....

http://www.ceramaterials.com/ceramicfiberboards.html

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kmrn1010
Active Contributor

Join Date: May 2012
Posts: 22
#3
In reply to #2

Re: Ceramic fiber board heat blocking capabilities?

06/02/2013 3:50 PM

I don't try with ceramic fiber board till now but I have used Asbestos Millboard, it withstand heat & was not cracked but after 10 or 20 minutes due to continous heat blocking it will get enough hot, how different is ceramic fiber from Asbestos millboard?

Thanks.
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SolarEagle
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Join Date: Mar 2007
Location: by the beach in Florida
Posts: 33392
Good Answers: 1817
#4
In reply to #3

Re: Ceramic fiber board heat blocking capabilities?

06/02/2013 4:14 PM

I don't understand the problem with the asbestos millboard, it should withstand temperatures well in excess of 80ºC.....If you want to stop the transfer of heat, such as a heat guard, then you might try a different approach...

http://www.youtube.com/watch?v=pvppTY_Vdm4

http://www.aerogel.com/products/pdf/Pyrogel_XT_DS.pdf

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Horizon3
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Join Date: Jan 2013
Posts: 18
Good Answers: 2
#5

Re: Ceramic Fiber Board Heat Blocking Capabilities?

06/02/2013 11:09 PM

Kaowool Board
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welderman
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Hobbies - DIY Welding - New Member

Join Date: Sep 2007
Posts: 1601
Good Answers: 58
#6

Re: Ceramic Fiber Board Heat Blocking Capabilities?

06/03/2013 7:02 AM

Air can be an effective insulator. I suggest you try two thinner layers of what you are using with a 3/8 -1/2 inch air gap between them.
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jmart23
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Join Date: Jun 2006
Posts: 501
Good Answers: 8
#7
In reply to #6

Re: Ceramic Fiber Board Heat Blocking Capabilities?

06/11/2013 5:16 PM

A vacumm makes a good heat stop but air is not so good!
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Fredski (1); Horizon3 (1); jmart23 (1); kmrn1010 (1); SolarEagle (2); welderman (1)

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