Halogen-free flame retardant masterbatches (HFFR) and compounds offer a safe and sustainable alternative to bromine or chlorine-based systems. They combine high fire protection with environmental compatibility and reliable processing.

The advantages of using flame retardant masterbatch at a glance:

1. Low smoke emission
In the event of a fire, significantly less smoke is produced – for better visibility and greater safety during evacuations.

2. Minimised toxicity and corrosion
No release of hydrogen halides. This reduces toxic and corrosive gases and protects people, technology and infrastructure.

3. Environmentally and health friendly
Free of bromine and chlorine. Often formulated on a mineral basis such as aluminium or magnesium hydroxide.

4. Efficient fire retardation
Delayed ignition, reduced flame spread and no burning dripping.

5. Compliance with standards
Enables high classifications such as UL 94 or DIN 4102 – without significantly impairing material properties.

6. Optical quality
Also suitable for transparent applications, such as in construction or greenhouse films – while providing a high level of fire protection.

HFFR masterbatches and compounds stand for safety, sustainability and technical performance in modern plastic applications.

Granula® develops high-quality, halogen-free flame retardant masterbatches for demanding applications in industry, construction, infrastructure and cable technology. Our systems are based on phosphorus, nitrogen and mineral technologies and are designed to meet modern requirements for fire protection, sustainability and material performance.

The developments are compatible with a wide range of thermoplastics, including PE, PP, PS, ABS, PA, PET, PC, EVA, PBT and other engineering plastics and compounds. The combined benefits are effective flame retardancy with mechanical stability, good processability and balanced rheology – adapted to extrusion, injection moulding or compounding.

Technological expertise
Tried-and-tested HFFR systems for flame retardant masterbatches with a focus on performance, process reliability and stable material properties throughout the entire service life.

Custom formulation & technical support
Individual formulation development, material and application-related optimisation, and technical support from the sample phase to series production.