Re: [TCML] sealing a cardboard form

[Steve Ward <steve.ward@xxxxxxxxx>]

Hi Paul,

Id think that if its not water-based (therefore, its oil-based), and dries
clear, then its probably just fine for this.  Im not sure if i see any real
benefit over regular polyurethane, though, as i cant imagine it making the
cardboard that much stronger.

I use internal plywood baffles for my 48" long cardboard forms.  2 of them
are 3/4" thick end caps, and 2 are 3/8" thick "baffles" placed about 32" in
from each end to keep the tube nice and round and give it some strength from
flexing.  Its not a bad idea to varnish the wood before putting it together,
but i didnt bother.

Steve

On Fri, Jul 24, 2009 at 1:20 PM, PAUL THOMPSON <mrapol@xxxxxxxxxxx> wrote:

> Hello,
>
> I was wondering about using a commercial sealer instead of polyurethane or
> shellac to stabilize a cardboard tube form. Specifically Thompson's Water
> Seal. Any drawbacks to this? I would still use shellac to coat the secondary
> winding, but anything wrong with using TWS on the bare cardboard?
>
> Regards,
>
> Paul
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