First Pressed Degummed Grade Castor Oil Specification
| Refractive index | 1.477 - 1.481 |
| Moisture & Volatile Matter | 0.50 MAX |
| Free Fatty Acid | 1 percent Max |
| Acid Value | 2.00 MAX |
| Iodine value @40 DC | 82-90 Persent |
| Acid Value | 140 Min |
| Saponification value | 177-187 |
| Unsaponifiable Matter | 1.00 Max |
| Hydroxyl Value | 160-168 |
| Relative Density 15 /15.5 DC | 0958-0.969 |
| Viscosity 25 DC | ---- |
| Colour in 1 inch cell on Lovibond Seale | Red 1.5 Max Yellow 20 Max |