Blown or oxidized castor oil is prepared by blowing air or oxygen into it at temperatures of 80 – 130°C, with or without catalyst to obtain oils of varying viscosity. The process is called oxidative polymerization. This increases the viscosity and specific gravity of the oil.
Specification
| Property | Values |
| Appearance | Pale golden yellow color, Viscous, Clear Liquid |
| Viscosity on Brookfield @250C (Poise) | 10-250 poise (as per buyer requirement) |
| Acid Value (mg KOH/gm) | 5-25 |
| Iodine Value (Wijs) (g12/100 g) | 60-80 |
| Saponification Value (mg KOH/gm) | 190-230 |
| Specific Gravity @300 C (gm/ml) | 0.98-1.02 |
| Hydroxyl Value (mgKOH/gm) | 130-150 |
End Application
Adhesives, Coatings and Sealants Chemicals, Food and Beverage Chemicals – Sweeteners – Acidulants – Emulsifiers, Personal Care – Cosmetic Ingredients – Green Chemicals
