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High bromine content (≥68 wt%) ensures efficient flame inhibition in polymer matrices.
Excellent thermal stability supports processing at elevated temperatures typical of engineering thermoplastics.
Low volatility minimizes plate-out and mold fouling during extrusion and injection molding.
Good compatibility with polyolefins, ABS, and polycarbonate blends without significant impact on mechanical properties.
UL 94 V-0 rated performance achievable at optimized loading levels in multiple resin systems.
Electrical and electronic housings requiring stringent flammability compliance (e.g., UL 94, IEC 60695).
Automotive interior components including dashboards, trim panels, and connector housings.
Industrial control enclosures and power distribution units exposed to high-temperature operating environments.
Wire and cable jacketing for low-smoke, flame-retarded applications in building infrastructure.
Appliance casings for white goods where regulatory flame safety standards (e.g., GB/T 2408, EN 60695) apply.
| Chemical Type | Polymeric brominated aromatic compound |
| Product Form | Pale yellow to light amber granules |
| Appearance | Free-flowing, non-dusting granules |
| Bromine Content (wt%) | ≥68.0 |
| Melting Range (°C) | 210–230 |
| Decomposition Onset (TGA, °C, air) | ≥300 |
| Moisture Content (wt%) | <0.1 |
| Density (g/cm³) | 2.1–2.3 |
Q1: What is the primary chemical composition of Saytex CP2000?
A: Saytex CP2000 is a brominated polystyrene-based flame retardant, designed to provide efficient thermal stability and compatibility in high-performance engineering thermoplastics such as polyamide (PA) and polyphenylene ether (PPE) blends.
Q2: In which polymer systems is Saytex CP2000 most commonly used?
A: It is widely employed in halogen-free-compatible formulations for engineering plastics—particularly in PA6, PA66, and PPE/PS blends—where balanced flame performance, mechanical retention, and processing stability are required.
Q3: How does Saytex CP2000 compare to other brominated flame retardants in terms of thermal stability?
A: Saytex CP2000 offers enhanced thermal stability relative to low-molecular-weight brominated compounds, supporting melt processing at temperatures up to approximately 300 °C without significant decomposition or discoloration.
Q4: Is Saytex CP2000 suitable for applications requiring regulatory compliance with RoHS or REACH?
A: Saytex CP2000 is formulated to meet current RoHS and REACH requirements for restricted substances, and it is not classified as a substance of very high concern (SVHC) under the EU REACH Regulation. End-use compliance remains dependent on full formulation and application context.
Q5: What is the typical dosage range for effective flame retardancy in polyamide systems?
A: Effective flame retardancy in polyamide matrices is typically achieved at low concentrations, generally ranging from 0.1% to 2% by weight, depending on the specific resin grade, filler content, and target flame rating (e.g., UL 94 V-0).
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