Specifications
| Parameter | Details |
|---|---|
| Product Name | SFR-4A Special Flame Retardant for Chloroprene Rubber |
| Appearance | White to Off-White Powder |
| Particle Size | ≤5 μm (Fine Particles for Uniform Blending) |
| Density (g/cm³) | 1.3–1.4 |
| Solubility | Insoluble in Water; Compatible with Chloroprene Rubber Processing Oils |
| Active Components | Phosphorus-Nitrogen Synergistic System (Halogen-Free) |
Compliance with Standards
SFR-4A adheres to international safety standards, including UL94 V-0 (for rubber compounds), EU RoHS/REACH, and NFPA 701. It is halogen-free, ensuring low smoke and toxic fume emissions during combustion, making it suitable for environmentally sensitive applications.
Applications
- Seals and Gaskets: Flame-retardant chloroprene rubber parts for automotive, aerospace, and industrial machinery.
- Wiring and Cables: Insulating materials for high-temperature and fire-resistant cables.
- Protective Gear: Components for firefighting suits, gloves, and other safety equipment.
- Construction Materials: Fire-resistant rubber sheets for building interiors and transportation systems.
Advantages and Features
- High-Efficiency Flame Retardancy: Achieves UL94 V-0 rating with a low dosage (15–25 phr), minimizing impact on rubber’s mechanical properties.
- Environmental Safety: Halogen-free formulation reduces corrosive gas emissions and environmental harm.
- Thermal Stability: Maintains performance at 250–300°C, ideal for high-temperature applications.
- Process Compatibility: Easy to blend with chloroprene rubber via standard mixing methods, ensuring consistent quality.
