| http://www.w3.org/ns/prov#value | - It is desirably extruded into (and in the case of fibers stretched out) in an inert non-solvent substance in the gaseous or liquid phase, e. g., nitrogen, molecular hydrocarbon, non-reactive hydrocarbon oils, or even water, with the temperature kept in the neighborhood of 100 C. or higher, in any case above C. Filaments varying from coarse to very fine, sheets, films, rods, and other products may
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