| http://www.w3.org/ns/prov#value | - In one embodiment, for instance, the calender rolls may apply a pressure of at least 900 PLI, such as from about 900 PLI to about 1100 PLI. For instance, in one particular embodiment, the pressure applied by the calendering rolls may be from about 950 PLI to about 1000 PLI, such as a pressure of about 980 PLI.
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