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ILT-U-190

ILT-U-190

Paper determinations

V1:

DETERMINATION

METHOD

Ring Crush of PaperboardTAPPI T818
 Roughness of Paper and Paperboard

(Sheffield Method)

TAPPI T538
Resistance of paper to passage of air

(high-pressure Gurley method)

TAPPI T536
Brightness of pulp, paper, and paperboard

(directional reflectance at 457 nm)

TAPPI T452

 

V2:

DETERMINATION

METHOD

Ring Crush of PaperboardTAPPI T818