[TCML] sealing a cardboard form

["PAUL THOMPSON" <mrapol@xxxxxxxxxxx>]

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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