What PEBA Is & Its Performance PEBA is a block copolymer combining rigid nylon (amide) blocks and flexible ether blocks, balancing strength with elasticity. In many metrics, PEBA can surpass standard TPU: rebound, lightweight, chemical resistance, low-temperature performance, and fatigue durability. For example, Fillamentum’s Flexfill PEBA 90A lists a printing temperature of 225–245 °C, low density, and flexibility at –60 °C. SainSmart’s Rebound PEBA 95A markets a rebound rate of 78% and being 15–20% lighter than TPU. Step into the next generation of flexible 3D printing with PEBA 90A filament — a breakthrough material that combines nylon’s toughness with polyether’s flexibility. Compared to traditional TPU, PEBA offers 15–20% lower density, 2× faster print speed, and superior rebound elasticity (70–85%), giving professional makers the freedom to create lighter, stronger, and more efficient prints. Whether you’re prototyping sports gear, engineering functional parts, or pushing the limits of soft robotics, PEBA ensures consistent strength, adjustable via infill, while maintaining unmatched softness and durability. Compatible with most FDM 3D printing machines.
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