Rapeseed Oil (Bio-Based Rubber Extender)
Rapeseed oil is a bio-based, renewable process oil and extender used in rubber compounding as a sustainable alternative to mineral-based aromatic and naphthenic process oils. It provides good solvation of NR, SBR, and BR polymers, improves filler dispersion, and reduces compound viscosity. With growing demand for bio-content and eco-label tires, rapeseed oil is increasingly specified in green tire tread compounds to replace part of the mineral oil fraction.
Technical Specifications
| appearance | Yellow to golden liquid |
| moisture (%) | ≤0.20 |
| flash point (°C) | ≥300 |
| acid value (mgKOH/g) | ≤2.0 |
| iodine value (gI²/100g) | 94–120 |
| saponification value (mgKOH/g) | 168–185 |
Applications
- Bio-based green tire tread compounds
- Eco-label rubber goods requiring renewable content
- NR and SBR compound softener and extender
- Retread rubber compound processing aid
- Environmentally-friendly industrial rubber formulations
Key Features
- Renewable bio-based content for eco-label rubber products
- Good solvation of diene rubber polymers
- Compatible with TDAE and naphthenic oils for blending
- Supports carbon-neutral and sustainability goals in tire production
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