Blown Castor OilProduct Overview
Blown Castor Oil is a chemically modified castor oil produced by controlled oxidation (air blowing) of castor oil at elevated temperatures. This process increases viscosity, body, and film-forming characteristics, making the oil suitable for applications where thickening, tackiness, and improved adhesion are required.
It is commonly selected for industrial formulations where higher molecular structure and controlled rheology are essential.
Manufacturing / Processing (High-Level)
Blown Castor Oil is manufactured by passing air through castor oil under controlled temperature conditions. The oxidation process:
- Increases molecular weight
- Enhances viscosity and body
- Improves film strength and adhesion
Process parameters are carefully controlled to achieve consistent viscosity and functional behavior, avoiding over-oxidation.
Raw Material Origin
The base raw material is castor oil derived from Indian castor seeds, sourced from established agricultural regions. Raw oil quality plays a key role in ensuring uniform oxidation and predictable end-use performance.
In-House Quality Control & Consistency
Quality control focuses on viscosity profile, appearance, and stability, as these directly influence performance in adhesives, coatings, and inks. Each batch is evaluated to maintain repeatable rheological behavior.
Batch-wise records ensure traceability and consistent long-term supply.
Key Properties (Indicative)
- Appearance: Amber to dark brown viscous liquid
- Odor: Mild, characteristic
- Solubility: Compatible with many oils and resins
- Functional behavior: Increased viscosity, tack, and film strength
Typical ranges are indicative and should be confirmed with the Certificate of Analysis (COA).
Typical Applications
Blown Castor Oil is used in:
- Adhesives: improved tack and bonding strength
- Coatings & Varnishes: film formation and viscosity control
- Inks: body and flow modification
- Rubber & Leather Chemicals: processing aid
- Specialty Industrial Formulations: where thickening is required
Suitability depends on formulation design and processing conditions.
Packaging Options
- HDPE drums
- MS drums
- IBCs
- Bulk tanker supply for large-volume buyers
Packaging is selected to ensure safe handling and stability during storage and export transportation.
Bulk Supply & Export Readiness
Blown Castor Oil is supplied in commercial and bulk quantities to domestic and international markets. The product is export-ready and supported with standard documentation.
Supply is managed on an inquiry basis, aligned with volume, packaging, and shipment planning.
Quality Documentation
Available upon request:
- Certificate of Analysis (COA)
- Technical Data Sheet (TDS)
- Safety Data Sheet (SDS)
Documentation is batch-specific, supporting audits and buyer verification.
Traceability & Batch Control
Each production lot is assigned a unique batch identification, enabling backward traceability and consistent quality across repeat orders.
Who Should Use This Product
- Adhesive and coating manufacturers requiring high-viscosity castor derivatives
- Buyers seeking controlled rheology and adhesion properties
- Industrial users sourcing manufacturer-direct modified oils
When to Use / When Not to Use
Use when:
- Increased viscosity and tack are required
- Film strength and adhesion are important
Not recommended when:
- Low-viscosity or non-oxidized oils are required
- Color sensitivity is critical
Sample → Trial → Commercial Supply
Samples can be provided for laboratory or pilot-scale evaluation. Commercial supply follows successful trials and mutual specification confirmation.
Frequently Asked Questions
Q1. How does Blown Castor Oil differ from regular castor oil?
Blown Castor Oil has higher viscosity and body due to controlled oxidation.
Q2. Is it suitable for export markets?
Yes, it is commonly exported with standard documentation.
Q3. Can viscosity be adjusted?
Different viscosity ranges can be discussed based on application needs and volume.
Q4. Is long-term supply available?
Yes, with planned volumes and agreed specifications.
Long-Term Supply Perspective
Blown Castor Oil is positioned as a functional, performance-enhancing material, emphasizing controlled processing, batch consistency, and predictable application behavior. It supports long-term industrial sourcing relationships rather than spot purchases.
