injector bosses

[James Weiler]

On Fri, 29 Aug 1997, Garfield wrote:

> Ooops, careful there. MOST of the commercial epoxys have transition
> temps Tg below 200deg F, some used in aircraft building are around
> 150degF hence most all the composite planes being painted white!!, so
> the advice someone else gave for trying to locate a higher temp epoxy
> like those used in prepregs is exactamundo spot on. Generally, if the
> epoxy cures at room temps, then it's Tg isn't gonna be more than 100degF
> above that.
Ohhhh this is good stuff!


> OTOH, it's not THAT hard to find higher temp epoxies. What you want is
> an epoxy you heat to around 200degF to cure, and it will have a Tg
> around 300-350degF. Ciba Adhesives makes a couple; I'll try and track
> down part numbers and suppliers for for the list. OK?

Yes yes yes !!!!

> but "high temp epoxy adhesives" especially the
> aluminum-filled varieties, would be ideal. I'll see what I can find and
> report back.

So is JB weld an aluminum-filled variety?

thanks for the effort
jw