Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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abaca

A type of plantain or banana (Musa textilis), native to the Philippine Islands. The outer sheaths of its leaf stems yield a fiber used extensively in the manufacture of certain papers, e.g., saturating papers, where great strength is required. The fibers range in length from 3 to 12 mm, the average being 6 mm, and vary in thickness from 0.016 to 0.032 mm, averaging 0.024 mm. They taper very gradually towards the ends; the central canal is large, and the fine cross-hatchings are numerous. Also called "Manila hemp." (17 , 323 )




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