Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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soda pulp

A chemical wood pulp produced by high temperature digestion of papermaking material with sodium hydroxide. The soda pulp method is used in making paper from poplars, birches. oaks, and other deciduous trees. Papers containing a high proportion of soda pulp are very white and soft, and possess high bulk and opacity but low strength. Soda pulp is frequently used to give a soft finish to a sulfite-pulp base paper. (17 , 143 , 198 , 320 )

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