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ANSI/TAPPI T 410 om-23
Grammage of paper and paperboard (weight per unit area)
In the United States the customary or commercial term for expressing the "weight" per unit area (more properly "mass per unit area") of paper has been "basis weight," "ream weight," or "substance." These are defined as the mass in pounds of a ream of a gi
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Technical Association of the Pulp and Paper Industry [tappi]
