Mechanical
Rheological
Heat resistance
Thermal analysis
Physical
Electrical
Combustion (Fire)
Thermal aging
Weathering
Optical
Gloss index
Color measurement
Grayscale
determination
Image analysis
Chemical resistance
Shrinkage
Standards:
DIN 67530
ISO 2813
ASTM D523
or corresponding standards

Gloss index
This test method is used to determine surface changes following processing, after-treatment, light aging, weathering and temperature aging.

The gloss factor is measured using a reflectometer.

Measuring geometry:
20°, 60° and 85°