Sample A B C D
Coating material PU, clear with high Tg PU, same binder as A, light gray pigmented Commercial PU coating, semi-soft with low Tg*, light gray pigmented Commercial PU coating, hard with high Tg*, light gray pigmented
Coating thickness ~3.9 mm ~3.5 mm ~0.13 mm ~0.12 mm
Filler thickness N/A N/A ~0.29 mm N/A
Sample thickness ~11 mm ~10 mm ~4 mm ~3-5 mm