Evaluation of conformity specific migration (SML)/ NIAS- Screening/ Single substance analyses/ GC- MS- analysis Overall migration (OML), Sensory analysis, colour fastness, microbiology Expert opinions and assessments (e.g. damage analyses), custom tests Mechanical/ technological properties Material analysis optical tests permeation

Information about tests

Opacity measurement

The measurements are carried out using a spectrophotometer according to ISO 2471 or DIN 6125. An opacity card (Leneta) type 2 a serves as a black and white base according to DIN 6125.

test method:	optical tests
Norms:	DIN 6125 (2021-10) ISO 2471 (2008-12)
Needed sample size:	5 x DIN A 4

Standardprüfungen

Opacity, opaque and/or white pigmented films
Method using diffuse reflection, with Leneta opacity card as background. By default, measurements are performed with standard light type D65 under gloss inclusion (SCI). On request, measurements with standard light type D 50 and/or under gloss exclusion (SCE) are also possible.
Norm: DIN 6125

Opacity, paper and cardboard
Method using diffuse reflection. Ro is measured against a black hollow body, R∞ is measured against a lightproof material stack. By default, measurements are performed with standard light type D65 under gloss inclusion (SCI). On request, measurements with standard light type D 50 and/or under gloss exclusion (SCE) are also possible.
Norm: ISO 2471

back to overview optical tests

Search examinations

Your contact person

Matthias Böhne

+49 441 94986-11

matthias.boehne@innoform.de

Examinations in this area

Colorimetric measurement, colourimetry (L*, a*, b*)
Gloss measurement
Haze/transparency
Opacity measurement
Optical density
UV-VIS spectroscopy