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Phosphorus-nitrogen synergistic intumescent system for superior char formation and flame inhibition.
Halogen-free formulation meeting stringent environmental and regulatory requirements (RoHS, REACH compliant).
Excellent thermal stability up to 300 °C, enabling compatibility with high-processing-temperature polymers.
Low smoke and low toxicity emissions during combustion, enhancing fire safety in enclosed spaces.
Good dispersion and compatibility with polyolefins, engineering thermoplastics, and thermoset resins.
Wire and cable insulation and jacketing (e.g., LSZH cables for building infrastructure).
Automotive interior components including dashboards, seat frames, and under-hood non-structural parts.
Electrical enclosures and housings for consumer electronics and industrial equipment.
Furniture foams and thermoplastic composites used in public transportation seating.
Building and construction materials such as ducts, panels, and ceiling tiles requiring UL 94 V-0 rating.
| Chemical Type | Intumescent phosphorus-nitrogen hybrid |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Uniform granular solid, no visible dust or agglomerates |
| Primary Applications | Polyolefins (PP, PE), ABS, PC/ABS blends, unsaturated polyesters |
| Key Features | Halogen-free, low smoke density, UL 94 V-0 achievable at 20–25 wt% loading |
| Benefits | Reduced corrosivity vs. halogenated systems; improved mechanical retention after flame retardant addition |
| Density (g/cm³) | 1.35–1.45 |
| Moisture Content (wt%) | ≤ 0.3% |
Q1: What is the primary mechanism of flame retardancy for MELANIC MC?
A: MELANIC MC functions primarily through a condensed-phase mechanism, promoting char formation on the polymer surface during thermal decomposition. This thermally stable char layer acts as a physical barrier, reducing heat transfer, limiting fuel release, and inhibiting oxygen diffusion to the underlying material.
Q2: In which polymer systems is MELANIC MC most commonly used?
A: MELANIC MC is especially effective in engineering thermoplastics such as polyamide (PA6, PA66), polyesters (PET, PBT), and certain polyolefin blends where halogen-free, phosphorus-based flame retardancy is required. It is also compatible with many filled or reinforced formulations, including glass-fiber-reinforced grades.
Q3: How does MELANIC MC affect mechanical properties and processability?
A: When properly dispersed and compounded, MELANIC MC generally maintains good balance between flame performance and mechanical integrity—particularly tensile strength and impact resistance. It exhibits favorable thermal stability during standard melt processing (e.g., extrusion, injection molding), with minimal volatilization or degradation under typical operating conditions.
Q4: Is MELANIC MC suitable for applications requiring regulatory compliance for food contact or electronics?
A: MELANIC MC is designed for industrial and technical applications where halogen-free flame retardancy is prioritized. While it meets general requirements for low smoke and low toxicity emissions, formal regulatory approvals (e.g., food contact, UL recognition for specific end-use categories) depend on full system formulation and final part testing—users are advised to conduct application-specific validation.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
