Grade： SDL-18B
| Indicator | Unit | Specification |
| Volatile content | Wt-% | ≤2.0 |
| Non-volatile content | Wt-% | ≥98.0 |
| Butyral content | Wt-% | 76-85 |
| Acetate content | Wt-% | ≤3.0 |
| Hydroxy content | Wt-% | 12-17 |
| 10% viscosity | mpa.s | 14-20 |
| Free acid | MgKOH/g | ≤0.5 |
| Equivalent to Kuraray PVB | MowitolB20H | |
Packing：PP/PAPER BAGS WITH PLASTIC FILM LINER（15kg/BAG）
PICTURE：
PVB SOLUTION：
