Ultracur3D ST 80 is a resin intended to make sturdy prints that also have a high level of detail. The handy thing about ST 80 is that it contains a good combination of properties from various materials. This makes it suitable for many different applications. The material is not only very strong but is also impact resistant and loses less strength over time. Because ST 80 is so diverse, this also makes it one of the more cost-effective resins.