MOWITAL® SB 70 HH
MOWITAL® SB = Homo acetal > acetalization of butyraldehyd and extra specification
| Degree of acetalization: | high |
| Solution viscosity: | medium / high |
| Residual PVA content: | low |
| Specification viscosity (10% ethanol) Hoeppler method (20°C): | 280,0 - 330,0 mPa*s |
| Corresponding viscosity range2 (10 % ethanol/ toluene 1:1) Brookfield method (20°C/30 rpm): | 155,0 - 185,0 mPa*s |
| PVOH content (Hydroxyl): | 12,0 - 14,0 wt % |
| PVOH content (Hydroxyl): | 18,1 - 20,9 mol % |
| PVOAc content (Acetate): | 1,0 - 4,0 wt % |
| PVOAc content (Acetate): | 0,8 - 3,0 mol % |
| Glass transition temperature = Tg: | 68 °C |
| Solid: | >= 97,5 wt % |
/
1)5 % Viscosity
2)Calculated
