Paper and board -- Determination of roughness/smoothness (air leak methods) -- Part 4: Print-surf method
This standard has been revised by ISO 8791-4:2007
Should be read in conjunction with ISO 8791-1. Applicable to all printing papers and boards with which it is possible to form a substantially airtight seal against the guard lands of the measuring head. Annex A gives a method of calculation of roughness, Annex B specifies maintenance of the roughness testers, Annex D its calibration against ISO reference standards.
A standard is reviewed every 5 years
Revisions / Corrigenda