Rigid epoxy?

> You might try "Sci.polymers" for more responces. 

Thanks, I will.

> In order to get a better idea of the rigidity needed, what types of 
> epoxy have you tried that were not acceptible?  

Devcon 5-minute epoxy was too soft (what I call too "resin-y"). Devcon is 
what I have available at all the stores, locally. Some 3M stuff is available 
at outrageous cost at the industrial supply house, but if that's what is 
recommended, I can use that. 

> For me a rigid epoxy would have a Rockwell R 
> hardness of 100 or more, and an elogation of less than 5%.

-=-=-=-

On Tue, 2 Dec 2003 22:53:22 -0800, DaveC wrote
(in message <[EMAIL PROTECTED]>):

> If this is an inappropriate forum for this question, please forgive and 
> recommend a beter one. 
> 
> I need an epoxy that "gives" as little as possible, such that the maximum 
> energy is transmitted with as little loss as possible in the epoxy. 
> 
> I have noticed that some epoxies are more "resin-y", and some are more 
> "brittle". 
> 
> Is this brand-to-brand variance, or are these qualities desirable in certain 
> products of all brands? 
> 
> Can someone recommend a good rigid epoxy? My needs are modest: room temp, 
> holding only a few ounces, no heat or electrical conductivity required. It 
> just can't be "soft". Prefer quick setting time (<1 hr). (Do these 
> requirements put me outside the possibility of a "rigid" epoxy?)
> 
> Thanks, 
-- 
DaveC
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