Papermaking

 

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Iris Fiber Test

 

 

 

 

 

Botanical Name Iris spp.
Common Name Iris
Plant Family Name  Iridaceae.
Fiber length  Long-- Not Known
Fiber Type Leaf
Plant location in the U.S. Gardens throughout U.S.
Plant Part Used Leaves
Season Harvested Fall
Fiber purchase Commercial source unknown
Pre Cooking Preparation
.
Dried
Alkali Used Soda Ash
Cooking


.
3 hrs.
Rinsed
New Soda Ash and cooked for 3 hrs, then 3 hours, another 3 hrs., another 2 hrs., another 3 hours
Beating Method
.
.
Hand Beat with mallets
Coloring Agent
.
None
Sizing Agent
.
None
Water
.
Tap
Sheet Formation

.
.
1 to 3 dips, neri added to vat, restraint dried.  Unstable sheet without abaca.  Added abaca for most desirable sheet. Approx. 40% unbleached Abaca from linters (beat in a Whiz Mixer)
Drying Technique
.
Restraint Dry Sheets 
Paper Color
.
Greenish tan
Yield for apx of fiber by weight
.
.
Not measured
Historical references
.
.
.
From Lillian Bell, Plant Fibers for Papermaking, page 95. 
"Iris douglasiana, Iris purdyi and Iris macrosiphon used by Californian and Oregon Indians for ropes, nets, and canvas cloth. A single fiber was taken from the margin of each leaf."
Date December 11, 1999.   Amy Viera and Beth LaCour
Signature .
Adapted from Bell, Lilian A., Plant Fibers for Papermaking, Liliaceae Press, McMinnville, Oregon, 1990.

© Beth LaCour 2001-2003