Papír a lepenka - Měření zrcadlového lesku - Část 2: Lesk při 75° se svazkem rovnoběžných paprsků, metoda DIN (Norma k přímému použití jako ČSN).

The information about the standard:

Designation standards: ČSN EN ISO 8254-2
Classification mark: 500423
Catalog number: 503629
Publication date standards: 1.1.2018
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN

Annotation of standard text ČSN EN ISO 8254-2 (500423):

This part of ISO 8254 specifies a photometric test method for the assessment of visual gloss by means of a reflectometer value measured at an angle of 75°. It is applicable to plane paper and board surfaces of gloss levels below 65, measured according to this part of ISO 8254. It should be the preferred method for paper and board surfaces of gloss levels below 20, measured according to this part of ISO 8254. Materials containing optical brightening agents may be measured