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เอกสารมาตรฐาน
สหรัฐอเมริกา
TAPPI
T 545 om-19
Cross-machine grammage profile measurement (gravimetric method)
2019
9
offline
This method describes a procedure which can be applied to determine the variation in mass per unit
area in the cross-machine direction, commonly referred to as the grammage (or basis weight) profile. This method is
appropriate for the acceptance testing of both the papermaking process and the product. ....