Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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ceramic paper fibers

Noncellulosic paper fibers produced from inorganic materials. Ceramic fibers include all refractory fibers made of alumina, zirconia. thoria, magnesia, fused silica, hafnia, berylia, titanium oxide, potassium titanate, and their mixtures, with or without silica. By definition, monooxide ceramics, such as alumina ceramics, are composed of at least 80% oxides. More often they contain 90% or more base oxides, while special products may contain 99% and sometimes 100%. The main group of ceramic fibers is composed of silica in admixture with special oxides, such as aluminum and magnesium oxides, barium, and calcium.

Ceramic fibers may be produced in numerous ways, including, blowing methods, spinning methods, continuous-spinning methods, colloidal evaporation processes, vapor deposition, single-crystal and whisker methods, oxidation, crystallization, pseudomorphic alteration, etc. Ceramic paper fiber is not used in book production because of the very high cost of the fibers as compared with wood and other organic fibers; however, such papers do print and fold well and are considerably more durable. (42 )




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