| http://www.w3.org/ns/prov#value | - However, for some purposes, it may be desirable to employ as the paper base sheet, a porous, high wet strength paper such as may be obtained by incorporating into the paper from about 0.5 to 5.0%, by weight, based on the weight of the fibers, of a thermosetting aminoplast resin as a urea-formaldehyde resin, a melamine-formaldehyde resin and the like.
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