FilamentSiraya Tech

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Fibreheart Rebound PEBA 85A is a highly elastic filament from Siraya Tech, perfect for 3D printing sports equipment, drones, and robotics. It delivers 62% energy return, offering true elasticity and a fast rebound that outperforms standard TPU. With a soft yet resilient 85A hardness, it's flexible, impact-absorbing, and deformation-resistant. Lightweight and about 12% lighter than common TPU, it excels in performance-critical applications. Engineered for all-weather durability, it remains flexible even at -30°C and is resistant to oils, greases, and industrial solvents. Ideal for creating durable, high-performance functional parts.
Material TypeThe base polymer type determines printability, strength, flexibility, and heat resistance
Filament
Diameter1.75mm is standard, 2.85mm for some printers
1.75 mm
Spool WeightNet weight of filament on the spool. Standard spools are 1kg (1000g)
1000g