| Formulation 1 | Formulation 2 | ||
| Blends | Pencil Hardness | Blends | Pencil Hardness |
| PVA/S-07 | H | PVA/S-08 | 2H |
| PVA/S-GLY.01 | 6H | PVA/S-GLY.04 | 5H |
| PVA/S-GLY.02 | 6H | PVA/S-GLY.05 | 7H |
| PVA/S-GLY.03 | 7H | PVA/S-GLY.06 | 7H |