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Paper pulp being prepared in my Hollander Beater. To make my paper pulp for block printing I use 90% cotton linters and 10% Abaca fiber. I process these fibers in my beater for only 5 minutes because I want the resulting paper to be soft and bulky. If you over beat the fibers, the resulting print will shrink and not lay flat when dry. At the end of the beating, I add a small amount of internal size (1 tablespoon per pound of dry pulp). I also add calcium carbonate to the pulp while it is clearing in my beater to control the pH (8) of the paper.
A short video of this process (MPG format, 360KB). Papermaking supplies, including prepared pulps can be obtained from: Lee Scott McDonald, Inc. |