Tackifying Resin - Technical Data Sheet
SL-1801 & SL-1802
Product Overview
Product Series: Tackifying Resin SL-1801 & SL-1802
Chemical Type: Thermoplastic p-tert-Octylphenol-Formaldehyde Resin
Classification: Novolac Resin
Physical Form: White to yellowish pastilles
Technical Properties
| Property | SL-1801 | SL-1802 | Unit |
|---|---|---|---|
| Appearance | White to yellowish pastille | White to yellowish pastille | Visual |
| Softening Point (Ring & Ball) | 85-105 | 90-100 | °C |
| Acid Number | 25-50 | 25-60 | mg KOH/g |
| Ash Content (550±25°C) | ≤0.2 | ≤0.2 | % |
| Methylol Content | ≤1.0 | ≤1.0 | % |
| Free Formaldehyde | ≤0.1 | ≤0.1 | % |
Key Features
Enhanced Tackiness
Excellent tack-promoting properties for rubber compounds
Universal Compatibility
Compatible with synthetic rubbers and processing oils
Solvent Soluble
Readily dissolves in organic solvents
Dust-Free Handling
Pastille form eliminates dust generation
Processing Efficiency
Suitable for automated weighing systems
Clean Processing
No contamination to equipment or workplace
Primary Applications
Tire Manufacturing
- Green tire building processes
- Prevention of ply separation and bubble formation
- Enhanced inter-ply adhesion in synthetic rubber compounds
Rubber Processing
- Rubber articles requiring high tack between plies
- Synthetic rubber formulations
- Industrial rubber components
Processing Guidelines
Recommended Dosage
3-8 phr (parts per hundred rubber)
Incorporation Method
Direct mixing into rubber compounds
Processing Temperature
Compatible with standard rubber processing temperatures
Package Information
Standard Packaging: 25 kg net
Storage Conditions
- Storage Life: 18 months under proper conditions
- Temperature: Cool, dry environment
- Light Exposure: Avoid direct sunlight
Safety Guidance
Refer to MSDS for detailed emergency response procedures. Follow standard safety protocols for chemical handling and processing.
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