Knowledge / Prints / Print Substrates / Quality

Paper quality: subjective assessment of the quality of all properties of a paper

Faultless paper: paper without conditional of manufacturing or wrong handling originated quality defect

Faulty paper: common term for a paper with conditional of manufacturing or wrong handling originated quality defect

Damaged print substrate: print substrate with quality defect originated by wrong handling

Damaged paper: paper with quality defect originated by wrong handling

Paper with thin spot: paper with a reduced paper thickness due to mechanical damage (window)

Hannover thin spot: philatelic term for postage stamps from Hanover seeming a thin spot

Paper with break: paper on heavy creased paper with damaged paper structure

Light sensitive print substrate: print substrate which reacts sensitive on light (e. g. wood)

Water sensitive print substrate: print substrate which reacts sensitive on water

Water sensitive paper: paper which reacts sensitive on water

Discoloured paper: paper with changed colour by light or chemical reaction