I am not on a topic that I know much about here but:
1 I thought Rayban used glass in their sunglasses for 100% UV block????
2 I get a great sun tan whilst flying and I have a plastic canopy????
Jerry
LTS@avnet.co.uk
www.avnet.co.uk/touchdown
----- Original Message -----
From: "J R (Bob) Gowing" <gowingjr@acr.net.au>
<roger.mills@btinternet.com>; <europa@avnet.co.uk>
Subject: Re: Use of White Pigment with Ampreg 20
> Thank you fellas for your comments.
>
> Dave S, I take your point that the UV is a serious matter and that is the
> reason for my reply to Roger as follows:-
>
> Roger, I put a lot of laminated glass in the front extension of our
house -
> to get the plastic layer in between the 2 layers of glass. That is the
part
> that keeps out the UV.
>
> Fred F, I intend taking your advice and forget about using any White
pigment
> in the epoxy itself.
>
> Thank you all for your inputs.
> Sincerely
> JR (Bob) Gowing in Oz Kit 327
>
> ----- Original Message -----
> From: "Dave Simpson" <davesimpson@londonweb.net>
> Subject: Re: Use of White Pigment with Ampreg 20
>
>
> > Bob,
> >
> > At work, a sub-contractor used white pigment in the epoxy/glass lay up
for
> a
> > very large radome mounting ring (3m dia.) for a microwave test site.
The
> > rig has been completely outdoors for almost 4 years now and shows no
sign
> of
> > UV degradation. It also has a blue foam base. The laminate was much
> > thicker that our Europas but the environmental exposure was more severe
> too.
> >
> > Dave Simpson
> >
> > ----- Original Message -----
> > From: J R (Bob) Gowing <gowingjr@acr.net.au>
> > Subject: Use of White Pigment with Ampreg 20
> >
> >
> > > I have just read the pamphlet that came with my latest supply of Slow
> > > Hardening Ampreg 20 and 2 year shelf life. It states that up to 10% by
> > > volume of SP epoxy pignents can be added to the resin component and
then
> > > this mix can be combined in the same old weight ratio of 100:25.
> > >
> > > It may be that using the available white pigment in the finishing
phase
> > > might reduce the amount of paint needed for satisfactory cover and UV
> > > protection.
> > >
> > > Has anyone something useful to report about using SP white pigment in
> the
> > > mix to finish their wings?
> > >
> > > JR (Bob) gowing, Kit 327 in Oz.
> > >
> > >
> >
>
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