Agggggghhh - don't even think about mixing tyvek to anything; it will kill
your motor because it is a spun synthetic fiber, not a true papermaking
fiiber. It would be like trying to beat plastic or fiberglass. It will never
absorb water, and I doubt it would ever bond to real paper fibers. It is
made by Dupont, and they will give you all the info you want if you call
The strongest fiber you can safely add is flax.
As to the end sheets, it depends on if they are printed, paste papers, or
marbled papers. For the latter, show them to Jean Marie Seaton when you
come out here again. If they are printed, Sue Allen at Yale is the
specialist. I don't know who would be able to date paste papers but there
are now 5 or 6 good books on the subject and I think one has a section of
----- Original Message -----
From: "milkyway990" <MSA@...>
Sent: Saturday, May 03, 2003 8:46 PM
Subject: [bookartsconnection] Stronger paper
> Has anyone cut up Tyvek and added it to other fibers? How does
> it beat up in the Critter, and will it produce a stronger mixture?
> I have used Abaca to strengthened mixtures before for a stronger
> sheet, but didn't know what else can be used, effectively.
> A friend gave me a few decorative end sheets she had taken out of
> old library books long ago. Does anyone know how to figure out,
> 1.) if they are handmade?
> 2.) how old they are?
> - Maxine
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