High temp epoxy

[chadnortheast at shaw.ca]

Oh God, that is the funniest thing I have read all morning.

So true how many places will send samples of anything for "testing" hehe.

Chad

----- Original Message -----
From: Gray E Fowler <gfowler at raytheon.com>
Date: Friday, September 6, 2002 7:42 am
Subject: Re: High temp epoxy

> First, NEVER dilute epoxy adhesives with anything. If you do you 
> will end 
> up with the epoxy plus the crap you put in as a finished product 
> resulting 
> in an incomplete reaction which equals lower strength, lower 
> temperature 
> resistance and lower chemical resistance. This is not "glue".  
> Second JB 
> weld does not come close to the temperature requirements of an 
> exhaust 
> system. Whats epoxy does? Not too many that cure at room temp. 
> Metal 
> (aluminum powder) does not increase the temperature resistance, 
> only keeps 
> the adhesive from softening as much as a non filled version.
> The best bet for your application is Hysol 9394. This adhesive 
> cures at 
> room temp and then with an elevated post cure can withstand 350F 
> continuously.  Heres how to get some free........everyone remember 
> this-trust me it works. 
> 
> First make up a fake company name ( or if you can use your real 
> company 
> name).  Log onto www.dexteraero.com get the contact info closest 
> to where 
> you live.  Call and say that you are investigating high temp epoxy 
> adhesives and are bonding and conducting Lap shear tests at 300 
> and 350F. 
> Your analysis says you need about 1000 PSI of shear strength at 
> 330F-ask 
> for Hysol 9394. You are bonding 3 different times and only need 
> about 100 grams for each time. They will send you 3 
> pre-weighed mixing semco cartridges. If they start asking you 
> questions 
> that you cannot answer prentend to be new on the job and where 
> told to do 
> this, or better a supply chain management person-they buy 
> everything 
> without knowing anything......Hysol will send these as free 
> samples. If 
> you are worried than you can by these cartridges from from the 
> local 
> distributor for about $35 each or get a quart for about $75.
> 
> Now if there is a Hysol rep on this list then NEVER MIND.......It 
> all for 
> the promotion of pattern.......
> 
> 
> 
> Gray Fowler
> Principal Chemical Engineer
> Composites Engineering
> 
> 
> 
> 
> "Ihncheol Park" <PatternFlyer at msn.com>
> Sent by: discussion-request at nsrca.org
> 09/05/2002 10:21 PM
> Please respond to discussion
> 
> 
>        To:     "NSRCA" <discussion at nsrca.org>
>        cc: 
>        Subject:        High temp epoxy
> 
> 
> What kind of epoxy can handle exhaust temperature?
> I need one to fix my ES carbon pipe, but could not find one today. 
> I went
> to local Schuck's auto part, they only had something with metal in 
> them. I
> have lots of JB Weld, but am trying to find clear epoxy.
> Any suggestions?
> 
> Ihncheol Park
> 1973 White Ave., #402
> Moscow, ID 83843
> (208) 883-7882 Home
> (208) 661-5018 Cellular
> PatternFlyer at msn.com
> 
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> 
> 
> 

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