BS ISO 8791-4:2007

Paper and board. Determination of roughness/smoothness (air leak methods). Print-surf method | Status: Superseded, Withdrawn

1 Scope This part of ISO 8791 specifies a method for determining the roughness of paper and board using an apparatus which complies with the Print-surf method, as defined in this part of ISO 8791. It is 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.