Ultrasint® PA6 FR is an advanced engineering polymer powder for Powder Bed Fusion with an innovative formulation containing a flame-retardant (FR) additive. Combining excellent mechanical and thermal performance with flammability requirements, it is especially suitable for applications in the electronics and public transportation sector. The halogen-free formulation based on PA6 makes the material unique in the 3D printing industry. Ultrasint® PA6 FR meets a broad spectrum of flammability ratings, relevant in different flammability-sensitive application fields e.g. electronics, aerospace and buses.