[at-l] ten

Jim Bullard jim.bullard at gmail.com
Mon Aug 30 09:52:13 CDT 2010


Polyurethane? What did you do, varnish it?

Jim Bullard
http://jims-ramblings.blogspot.com/
http://members.photoportfolios.net/Jim_Bullard
http://jim-bullard.photoshelter.com/
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On Mon, Aug 30, 2010 at 10:49 AM, Tom McGinnis <sloetoe at yahoo.com> wrote:

> --- On Mon, 8/30/10, Mara Factor <mfactor at gmail.com> wrote:
> >
> > There is at least one possible problem to think about
> > before trying this...
> > Any part of the fabric that still has the old coating may prevent the
> > wash in stuff from filling in that portion of the fabric.  So, if you
> > don't get all of the old stuff off before washing in the new stuff, as
> > the old stuff continues to peel, it'll open up new areas of fabric
> > that won't be waterproof.
> ###  Tried with two old bivy sacs. Did NOT work -- at ALL. Flaked off in
> bigger pieces, even faster than the original. I surmised much as Mara
> forecast -- the original fabric was not clean enough -- some of the old
> coating remained after it *appeared* to come off, and would not allow the
> new polyurethane to seat. RATS.
>
> > Or, maybe it would just fill-in from the
> > "other" side of the fabric and still work, anyway?
> ### I will admit that I only tried one side.....
>
> > Can you peel or scrape off the old stuff before washing in the new?
> ### I wonder about, like, maybe an alcohol treatment. (On the fabric, you!)
>
> porousstilltoe
>
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