Homebrew PCBs

----- Original Message ----- 
From: "Stefan Trethan" <stefan_trethan@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Friday, March 25, 2005 10:49 AM
Subject: Re: [Homebrew_PCBs] Re: sprayer tank construction


>
> Guys,
>
> things are not going well with the sprayer..
>
> The acrylic silicone is definitely trash, the standard silicone doesn't
> stick well (at all) on the lexan.
> I have tried everything, roughening the surface, cleaning well, ... it
> still comes off way too easy.
>
> I can go and buy new silicone for acrylic glass, but i'm not too sure it
> will hold all that much better.
>
> welding, i'm kind of reluctant because it is a very final thing, changes
> on the tank will be almost impossible.
> Also, i have not tried yet how hard welding lexan is.
>
> I'm thinking about other glues, but i would have preferred silicone
> because one can easily fill gaps and make thick beads.
>
> Didn't expect _AT ALL_ that the gluing will be so much trouble.

Some of the low-cost bubble etching tanks are made from PVC.

Leon