Gray Scales

For more information : VIT 420 – LIGHT & WEATHER FASTNESS TESTER

For assessment of change in colour and staining in colourfastness testing 1-5 steps with half steps.
TU201A AATCC Gray Scales – Staining
TU201B AATCC Gray Scales – Changing in color
TU202A ISO / BS Gray Scales – Staining
TU202B ISO / BS Gray Scales – Change in color

AATCC 8/66/165, ISO 2313, BS EN 22313, M&S P2