Over deze norm
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.
|Engelse titel||Paper and board - Determination of roughness/smoothness (air leak methods) - Part 4: Print-surf method|