REFLECTOR: Epoxy and Hardener

Ronnie Brown romott at adelphia.net
Sun Sep 5 15:08:06 CDT 2004


Jim,

Does MGS have shelf life of greater than 1 years after opening?

My EZ poxy hardener was fine for one year, then started getting dark, then
like molasses.

Ronnie

----- Original Message ----- 
From: "Jim Sower" <canarder at frontiernet.net>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Sunday, September 05, 2004 2:56 PM
Subject: Re: REFLECTOR: Epoxy and Hardener


| MGS RULES !!
|
|
| Ronnie Brown wrote:
|
| >Fred:
| >
| >Here's an excerpt from a recent post by Andy Millen:
| >
| >"Also, I had my EZ-84 hardener go bad.  The factory ships about 2 1/2
| >gallons with the kit.  It doesn't like light and it doesn't like to
| >breathe.  If you let it, the styrene will evaporate.  It will slowly go
| >from the green-yellow thin syrup to something that is as dark as
| >molasses and pours like it too.  When it does the epoxy cures brittle
| >and adheres poorly.  For that reason I only keep my resin in the warmer.
| >The hardener seems to last longer.
| >
| >Just a thought or theory on the hardener.  The plastic bucket it came in
| >might have allowed the styrene to dissipate.  If I had it to do again I
| >might put it in an opaque container like a sealed paint can.  If it was
| >sealed tightly enough, I might even keep it in the refrigerator until I
| >needed it.  The epoxy and hardener aren't terribly expensive from the
| >factory.  What will kill you is the shipping.  I think it was $57 for
| >1/2 gallon of hardener to be delivered to my door.
| >
| >End of Quote
| >
| >
|
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