Re: Bleach-development with gum

[Judy Seigel <jseigel@panix.com>]

On Wed, 5 Dec 2007, Loris Medici wrote:

> I usually make a polyurethane final coating - if I need shine
> and/or better dmax and dynamic range.
Loris, is that a regular commercial polyurethane, like we buy in a paint 
store for floors or woodwork?  Or is there some other kind?

Anyway, does it yellow with age?

J.