Here is the updated, technically refined, and industry-focused content for Extra Pale Grade Castor Oil.
I have structured this as a Premium Product Profile, highlighting the superior color stability and purity that distinguishes this grade from standard industrial oils.
Extra Pale Grade Castor Oil
Manufactured by Nova Industries
Nova Industries manufactures Extra Pale Grade Castor Oil, a premium quality oil distinguished by its exceptionally light color and low acidity.
This grade is produced exclusively from the first mechanical pressing of high-quality castor seeds, without the use of chemical solvents. The resulting crude oil undergoes a specialized low-temperature refining and bleaching process to preserve the oil’s natural integrity while achieving a color profile significantly lighter than standard commercial grades.
1. Technical Significance
The “Extra Pale” designation refers specifically to the low color value on the Lovibond scale (typically Yellow < 9.0 in a 5.25″ cell).
- Color Stability: Crucial for applications where the final product must remain water-white or transparent. The low pigment content ensures it does not alter the shade of light-colored resins or clear coatings.
- Low Acidity: With a Free Fatty Acid (FFA) content typically below 0.35%, this grade offers superior oxidative stability and reactivity in urethane and esterification reactions.
- Purity: Being a “First Press” oil, it is free from the solvent residues and gums often found in solvent-extracted grades.
2. Industrial Applications
This grade is the preferred choice for industries where aesthetics and purity are non-negotiable.
High-End Coatings & Resins
- Clear Varnishes: Used as a plasticizer and drying oil modifier in non-yellowing clear varnishes and white alkyd enamels.
- Polyurethanes: Acts as a high-purity polyol for transparent casting resins and optical-grade encapsulants.
Cosmetics & Personal Care
- Color Cosmetics: Ideal for use in clear lip glosses and transparent soaps where base oil color must be minimal.
Specialty Chemicals
- Esters: The preferred feedstock for manufacturing light-colored esters (e.g., Butyl Ricinoleate) used in food packaging and medical plastics.
3. Technical Specifications (TDS)
Nova Industries guarantees stringent color and moisture control for this premium grade.
| Parameter | Specification | Test Method |
| Product Name | Castor Oil – Extra Pale Grade | — |
| Appearance | Pale Yellow, Viscous, Clear Liquid | Visual |
| Color (Lovibond 5.25″ Cell) | Y: 9.0 Max / R: 1.0 Max | AOCS Cc 13e-92 |
| Moisture (Karl Fischer) | 0.25% Max | ISO 8534 |
| Free Fatty Acid (as Oleic) | 0.35% Max | ISO 660 |
| Acid Value | 0.70 mg KOH/g Max | ISO 660 |
| Iodine Value (Wijs) | 82 – 90 | ISO 3961 |
| Saponification Value | 177 – 185 | ISO 3657 |
| Hydroxyl Value | 158 – 163 | ISO 4326 |
| Unsaponifiable Matter | 0.70% Max | ISO 3596 |
| Specific Gravity | 0.954 – 0.960 @ 25°C | — |
Packaging & Supply
- Packaging: 200 Kg New Steel Drums / 225 Kg HDPE Drums / ISO Tanks.
- Storage: Store in a cool, dry place. Avoid exposure to direct sunlight to maintain the pale color profile.
For Samples & Commercial Pricing:
Nova Industries
Website: https://novaind.in/