Optical
UL offers the following optical tests.
The reference standards used for each test method are listed in the right-hand table column.
| Optical test methods | Standards |
|---|---|
| Gloss index | ASTM D523 ISO 2813 |
| Color measurement | DIN 5033 DIN 5036 DIN 6174 ASTM E308 ASTM E179 ISO 13468 ASTM E313 |
| UV/VIS/NIR Measurement | |
| Haze Measurement | DIN 5036 ASTM D1003 ASTM E179 ISO 13468 |
| Gray Scale Determination | ISO 105-A02 |
