| http://www.w3.org/ns/prov#value | - The tow is preferably composed of a plurality of crimped continuous filaments of an organic derivative of cellulose, e.g. esters or ethers of cellulose such as cellulose acetate, cellulose propionate, cellulose acetate propionate, highly esterifiedcellulose containing less than 0.20 free hydroxyl groups per anhydroglucose units such as cellulose triacetate, and the like.
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