Fir is a product series of JIANYU, which provides a "Flame-retardant" solution for 3D printing filaments. It is impermeable and has a water absorption rate of less than 1% at room temperature. The material fulfills flame retardancy according to UL 94 V-0 (@1.6mm), and is suitable for applications and components that require flame retardancy. COCOON ABS-Fir is a thermoplastic engineering material with flame-retardance. The high impact strength and strong interlayer adhesion make it an ideal material in printing plastic components of industrial machinery. The material fulfills flame retardancy according to UL 94 V-0 (@1.6mm), and it also has good mechanical and thermal properties.