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Halogen-free formulation ensuring low smoke density and reduced toxic gas emission during combustion.
Excellent thermal stability, maintaining performance up to 300 °C in polymer processing conditions.
High phosphorus content enabling efficient char formation and flame inhibition in thermoplastics.
Good compatibility with polyolefins, ABS, and engineering thermoplastics without compromising mechanical properties.
UL 94 V-0 rated when formulated at appropriate loading levels in selected polymer systems.
Wire and cable insulation for low-smoke, halogen-free (LSZH) applications.
Electrical enclosures and housings in consumer electronics and industrial equipment.
Automotive interior components requiring stringent fire safety compliance (e.g., dashboards, trim parts).
Building and construction materials including conduit, junction boxes, and ducting systems.
3D printing filaments (e.g., ABS/PC blends) demanding certified flame-retardant behavior.
| Chemical Type | Organophosphorus compound (phosphinate-based) |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Granular, homogeneous particles |
| Density (23 °C) | 1.45–1.50 g/cm³ |
| Melting Range | 280–300 °C (DSC, heating rate 10 K/min) |
| Moisture Content | ≤ 0.1 wt% (by Karl Fischer titration) |
| pH (1% aqueous suspension) | 6.5–7.5 |
| Primary Applications | Halogen-free flame retardancy in thermoplastics |
Q1: What is the primary mechanism of flame retardancy for NOR116?
A: NOR116 functions primarily through an intumescent mechanism — it promotes the formation of a protective, carbon-rich char layer upon exposure to heat or flame, which insulates the underlying polymer and reduces fuel supply to the flame.
Q2: In which polymer systems is NOR116 most commonly used?
A: NOR116 is especially effective in polyolefins (e.g., PP and PE), thermoplastic elastomers, and certain engineering plastics where halogen-free, phosphorus-based flame retardancy is required without compromising mechanical properties or processing stability.
Q3: How does NOR116 perform under typical compounding and injection molding conditions?
A: NOR116 exhibits good thermal stability during melt processing, with minimal volatilization or degradation up to typical polyolefin processing temperatures. It demonstrates excellent dispersion in molten polymers and maintains compatibility across multiple processing cycles.
Q4: Is NOR116 suitable for applications requiring regulatory compliance with RoHS or REACH?
A: Yes — NOR116 is halogen-free and contains no substances currently restricted under RoHS or listed on the REACH Candidate List of Substances of Very High Concern (SVHC). Formulators should always verify final compound compliance based on full formulation and intended use.
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