Table of Contents
1. Judgement of plastic surfaces in respect of gloss
2. Measuring method
3. Definition of gloss units (GE), measured on 3mm thickness plastic sheets
4. Limitations for the thermoforming process
1. Judgement of plastic surfaces in respect of gloss
The judgement of plastic surfaces with regard to gloss properties cannot be defined as a purely physical recognisable level. Subjective perceptions, both physiological and psychological, have a considerable influence on judgement.
A reflection meter value can, with due regard to certain conditions, interpret reflection properties which an observer perceives.