20 Microns introduces AL FR and MAG FR Series, engineered to deliver halogen-free flame retardant coatings that comply with modern environmental and safety standards. These advanced formulations are designed to replace traditional halogen-based materials while maintaining excellent coating performance, providing a safe, effective, and eco- friendly alternative for diverse coating systems.
Flame retardants are crucial in reducing fire risks in coatings. However, halogen-based retardants release toxic gases during combustion, raising environmental and health concerns.
AL FR & MAG FR Series provide a non-toxic, halogen-free solution, ensuring safer application and sustainable performance without compromising on coating quality.
The AL FR Series is a hydrated alumina-based flame retardant designed to improve fire resistance and reduce the need for halogenated additives. When heated above 220°C, AL FR decomposes, releasing about 35% water and leaving 65% alumina, effectively quenching the flame and preventing oxygen contact with the polymer surface.
It also minimizes smoke generation and enhances formulation safety.
Key Benefits:
The MAG FR Series is based on magnesium hydroxide, offering superior thermal stability and higher heat absorption than AL FR.
It decomposes at around 330°C, releasing water vapor and forming a protective barrier against flame propagation.
Its excellent heat removal capacity makes it ideal for high-performance coatings that require advanced fire protection.
Key Benefits:
AL FR & MAG FR Series are widely used in:
Architectural Coatings
for safe indoor and outdoor environments
High Solids / Low VOC Coatings
ensuring sustainability and compliance
UV Coatings
for high-performance, light-resistant finishes
Organic Colored Pigments
maintaining vibrant colors with fire resistance
AL FR releases water at 220°C, diluting combustible gases, while MAG FR performs beyond 330°C, absorbing more heat (328 cal/g vs 280 cal/g for AL FR).
This makes MAG FR a more effective flame retardant for high-heat applications, whereas AL FR is ideal for standard architectural and decorative coatings.
Visit our Coatings Additives Portfolio to explore our complete range of performance- enhancing solutions.
Q1: What makes AL FR & MAG FR Series halogen-free flame retardants unique?
They replace conventional halogen-based additives with eco-friendly materials that reduce toxic emissions while maintaining superior flame resistance.
Q2: What are the main differences between AL FR and MAG FR?
AL FR (hydrated alumina) releases water at 220°C, while MAG FR (magnesium hydroxide) activates at 330°C with higher heat absorption, making it suitable for more demanding conditions.
Q3: Can AL FR & MAG FR be used in water-based coatings?
Yes, both grades are highly compatible with architectural and water-based coatings.
Q4: Do these additives affect coating appearance or gloss?
No, they actually enhance gloss retention and maintain smooth film formation.
Q5: Are AL FR & MAG FR environmentally safe?
Absolutely. Both series are non-toxic, halogen-free, and designed for sustainable coating formulations.
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