Specification for Visible Contaminents in Canvas and FineArt Paper
Coating Defects:
Pin holes
Dark Spots
Irregular indentations
Coating bumps, fibers
Coating flakes
Dirt: is defined as any foreign matter embedded in the sheet, which, when examined by reflected, not transmitted,
light has a contrasting color to the rest of the surface and has an equivalent black area of 0,04 square mm or over.
Audit once per run · Visual Inspection
For use with TAPPI Test Methods T213 and T437.
Copyright ©1936, 1977, 1978, 1982, 1990 by the Technical Association of the Pulp and Paper Industry. Technology Partk/Atlanta, P.O. Box 105113, Atlanta, GA 30348, USA.
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