Features:

Shore Hardness = 85A
Truly flexible (no fill or layer manipulation required to achieve performance)
660% elongation allows for repeated movement and impact without wear or cracking
Polyurethane composition allows for excellent vibration reduction
Proprietary low-friction exterior allows for smooth feeding
Abrasion resistance 20% better than ABS and 68% better than PLA
Consistent diameter and material properties providing reliable, high-quality prints
Chemical resistance to many materials.