Gum Rosin (Rubber Tackifier)
Gum Rosin is a natural resin derived from pine trees, used as a cost-effective tackifier in NR, SBR, and other rubber compounds to improve adhesion, building tack, and green strength. Its main component, abietic acid, is soluble in rubber polymers and provides good compatibility with diene rubber systems. Rosin is also used in rubber cements, pressure-sensitive rubber adhesives, and as a starting material for esterified rosin derivatives with improved heat stability.
المواصفات الفنية
| ash (%) | ≤0.10 |
| appearance | Pale yellow to amber glassy solid |
| moisture (%) | ≤1.0 |
| color (USDA grade) | WG to N |
| acid value (mgKOH/g) | 160–175 |
| softening point (°C, R&B) | 72–80 |
مجالات التطبيق
- NR and SBR rubber tackifier for building adhesion
- Rubber cement and solvent-based adhesive formulations
- Pressure-sensitive rubber adhesive backing compounds
- Paper and textile rubber-coated fabrics
- Cost-reduction blending with synthetic tackifying resins
مميزات المنتج
- Natural bio-based tackifier with good diene rubber compatibility
- Effective and economical building tack improver
- Soluble in common rubber processing solvents
- Starting material for esterified rosin derivatives with enhanced heat stability
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