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Comparative Study: Verity IA Topography, Emveco, and

Summary: Comparative Study:
Verity IA Topography, Emveco, and
Parker Print Surf
Mario A Cruz*
, Margaret Joyce *
, Paul D. Fleming*
, Roy Rosenberger
Three instruments designed for the measurement
of base sheet smoothness, roughness, and
topography were evaluated in their ability to
predict the surface characteristics of the same
base sheet when coated using air-knife and blade
techniques and subsequent calendering. To
control data point matching the base sheet was
marked, and measured in thirty measurement
areas, before coating and measured again in the
same areas after coating, and again after
calendering. Data presented demonstrates
correlation of the instruments and results as a


Source: Abubakr, Said - Department of Paper Engineering, Chemical Engineering, and Imaging, Western Michigan University


Collections: Engineering