Tall Oil (CAS 8002-26-4): Comprehensive Technical Guide
Table of Contents
1. Product Overview & Specifications
Tall Oil (CAS 8002-26-4), also known as liquid rosin or塔尔油, is a byproduct of kraft pulping processes. This viscous liquid contains a mixture of fatty acids (45-65%), rosin acids (20-35%), and neutrals (5-10%).
| Parameter | Specification | Grade Comparison |
|---|---|---|
| Purity | ≥99% (Industrial Grade) | Crude vs Refined |
| Packaging | 190kg drums/25kg containers | Variable by supplier |
| Viscosity | 200-500 mPa·s @25°C | Batch-dependent |
| Storage | 2 years @ <25°C | Universal standard |
2. Key Applications
Core Functional Uses:
- Metalworking Fluids: Acts as co-emulsifier with 30% reduction in primary surfactant requirement
- Ink Formulations: Enhects resin compatibility in offset printing inks
- Rubber Production: Plasticizer improving vulcanization efficiency
- Paper Sizing: 15-20% cost advantage over gum rosin
3. Usage Scenarios
Optimized Implementation:
Emulsion Preparation: Add 2-5% tall oil to mineral oil base under 60°C agitation. Achieves HLB balance for stable metalworking emulsions.
Anti-Foaming Agent: 0.3% addition in cooling systems reduces foam persistence by 70% compared to silicone-based alternatives.
4. Industry Case Studies
Case 1: UAE Lubricant Manufacturer
Challenge: Reduce production costs for hydraulic fluids while maintaining pH stability in hard water (300ppm CaCO3)
Solution: Implemented 8% tall oil substitution in emulsifier package
Results: 22% material cost reduction with improved emulsion stability (passed 30-day storage test)
Case 2: European Ink Producer
Challenge: Meet VOC regulations without sacrificing print quality
Solution: Formulated bio-based ink system with 15% tall oil derivatives
Results: Achieved 98% VOC compliance while maintaining <2μm pigment dispersion
5. Technical Inquiry
For technical specifications or customized formulations:
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