Ultracur3D® ST 80 Tough Resin transparent 1000gr Ultracur3D® ST 80 Tough Resin from Forward AM are reactive urethane photopolymers for demanding applications. They are impressively cost-effective all-rounders, offering high toughness, impact resistance and long-term UV stability of 3D printed parts at a very attractive price. ST 80 resins can be coloured with colour pigments. Advantages at a glance Balanced multi-purpose material High toughness and impact resistance Cost-effective solution UV stability Example applications Electrical enclosures Customised consumer goods and tools Orthopaedic products Highly detailed and textured parts Material properties ST 80 Impact strength (Izod notched impact strength): 24 J/m Modulus of elasticity: 1500 MPa Elongation at break: 20% Shore hardness: 80D.