This is part three of a
three-part tip on pre-firing fiber paper in your kiln. Click here to
go to part one.
11. Never pre-fire Bullseye's "thinfire" fiber paper. Pre-firing
very thin paper such as this can ruin the paper.
12. It is not necessary to pre-fire small strips of paper
that are used for lining dams or similar activities.
13. It's also not usually necessary to fire very thin
fiber paper (such as 1/32") but thicker papers do require
pre-firing. The thicker the paper, the more binder to be
burned off. (Note: Don't confuse thin fiber paper with "thinfire"
fiber paper -- they're two totally different products!)
14. In a pinch, you can sometimes get away without
pre-firing, but be aware that there is a possibility that the fumes
and vapors from fiber paper that has not been pre-fired can discolor or mar the
15. If you absolutely must pre-fire more than one sheet of
paper at a time, don't stack them on top of each other.
Instead, use multiple shelves or else place one sheet on the kiln
shelf and then prop an additional sheet on posts above the shelf.
16. It is possible to purchase fiber paper that does not
have a binder and does not require pre-firing, but as you would
expect the paper is more expensive. It's also not available in
all thicknesses. If you're interested, look for the term
Copyright 2005 Brad Walker.
All rights reserved.
This list compiled from numerous
sources, but especially from the Warm Glass bulletin board and from
published manufacturer's materials.