Re: Which Epoxy System is best?

Allan Farr

Ok, thanks.

----- Original Message -----
From: Sam Hoskins
To: Q-LIST@...
Sent: Wednesday, November 26, 2008 1:01 PM
Subject: Re: [Q-LIST] Re: Which Epoxy System is best?

Without current test data at hand, it's hard to tell. If you want to do the
research, look at the data sheets for all the epoxies and compare the
numbers. Compare apples to apples.

In my post below, the second paragraph is a quote from Mike Bergen.

Like I said, I am currently using ProSet for structural and West for

Sam Hoskins
Murphysboro, IL

On Tue, Nov 25, 2008 at 5:54 PM, Allan Farr <afarr@...> wrote:

> Hi. So in your opinion West System is ok? One Skydog said the opposite -
> I'm confused;(
> Regards
> Allan
> ----- Original Message -----
> From: Sam Hoskins
> To: Q-LIST@... <>
> Sent: Saturday, November 22, 2008 2:40 AM
> Subject: Re: [Q-LIST] Which Epoxy System is best?
> I correspond with Mike Bergen, who makes composite parts for the US Navy.
> He is really knowledgable and a trusted source ( as is One Skydog).
> Here is part of Mikes comment from Auguse 28 of this year.
> I would stick with the Aeropoxy, MGS, WEST System or ProSet epoxy that I
> speak to in the articles. Some are different than others. The toughest will
> provide the best resistance against hanger rash and other impact anomalies
> and interlaminar strength. Sure, there is a lot more choices since the
> early
> 80's, but there has not been any significant advances since my articles in
> 2003. However, the only comment that I made, that is outdated, is about the
> WEST System epoxy not being a laminating resin. This is not true anymore as
> Gougeon has reformulated it to be a very good room temperature laminating
> resin. With Gougeon ProSet you can achieve much higher properties with
> post-curing. Many buy on price, but I buy on life insurance. The cost of
> materials is typically less than 10% the cost of the total airplane and the
> cost of the resin would be even less."
> I used to use AeroPoxy, but switched to ProSet several year ago. ProSet is
> pricey, but is tougher than the others and is great to work with. I used
> West for all the non-structural filler, before painting.
> Sam Hoskins
> Murphysboro, IL
> On Thu, Nov 20, 2008 at 5:59 PM, cliffordgottschalk <
> cliffordgottschalk@... <>> wrote:
> > Getting spooled up to begin completing a Q200 Kit, I purchased from
> > a gentleman who has done a pretty decent job. Question: Which epoxy
> > system do most prefer? Looking through the Aircraft Spruce
> > Catalog...never realized there were so many different kinds, like non-
> > structural and structural types. Do most of you use the structural
> > only. Appreciate your thoughts and your comments...great site.
> >
> >
> >

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