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[Shop-talk] High temp adhesives

Subject: [Shop-talk] High temp adhesives
From: pj_thomas at comcast.net (Peter J. Thomas)
Date: Sun, 25 Sep 2011 19:23:30 -0400
References: <4E7F8F4F.2060909@xxiii.com>
On 9/25/2011 4:30 PM, Wayne wrote:
> Hey Guys - off topic, but...
>
> Can anyone suggest an adhesive that is high-temp capable, but not 
> necessarily super strong?  I have a gas log fireplace.  The "logs" are 
> some sort of cement or ceramic material, and have cast-in metal dowels 
> to hold the logs together.  I took them apart to clean, and a couple 
> of the dowels broke out, with the cement material around them cracking 
> out.
>
> A decent gap filling adhesive like an epoxy would seem ideal, but JB 
> Weld for example says it's only good to 600 degrees.  I don't know how 
> hot these thing really get, but there is a propane flame around them.

>From http://www.engineeringtoolbox.com/flame-temperatures-gases-d_422.html
  Propane burns at 1,980 Celsius.

I' d go with something like Dap 18854 Stove and Fireplace Mortar.  Might 
be at the big box stores or a wood stove/fireplace store.

Peter T.

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