Table 4.
Physical properties of the polyester polyols.
| Sr. No. | Parameters | Value |
|---|---|---|
| 1. | Acid value | 0.55 mg KOH/g |
| 2. | Viscosity @ 35 °C | 3200 cps |
| 3. | Hydroxyl number | 60 mg KOH/g |
Note: cps denotes centipoise.
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