EngineeringForward Am
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BASF Ultracur3D ST 80 Transparent by Forward AM is a high-performance styrene-based engineering resin renowned for its exceptional mechanical properties and optical clarity. This material features high hardness and stiffness with low flexibility, making it ideal for applications demanding precision and stability. Thanks to its excellent detail resolution, finest structures and sharp edges are reproducible, making it the perfect choice for engineering prototypes, functional models, and technical parts. The resin is optimized for most common DLP and LCD/MSLA 3D printers with a wavelength range of 385 nm to 405 nm. Its viscosity is formulated to ensure rapid flow and reliable layer formation. For optimal results, a curing time of approximately 3 to 6 seconds per layer at a 50 µm layer thickness is recommended. Post-processing requires thorough cleaning in isopropyl alcohol (IPA), followed by UV post-curing to achieve the final mechanical properties. Suitable applications include mechanical engineering, manufacturing of transparent models, casings, and non-medical uses where transparency and strength are required. Safety Note: Wear protective gloves, safety glasses, and work in a well-ventilated area during handling, as the product may cause skin irritation. This resin is not intended for food contact or intraoral use.
Resin TypeDetermines the primary use case and mechanical properties of the cured resin
Engineering
WavelengthMust match your printer's UV light — 405nm is most common
385 nm
ViscosityLower = easier to pour and peel. Higher = stronger but harder to work with
350 mPa·s
Cure TimeTime per layer under UV light. Lower = faster prints but may reduce detail
5s
Layer ThicknessThinner layers = more detail but longer print times
25 - 100 µm
Hardness (Shore)Higher number = harder/stiffer part. A-scale for flexible, D-scale for rigid
Shore 83D
ShrinkageHow much the part shrinks after curing. Lower is better for dimensional accuracy
1.5%
DensityWeight per volume — affects the final part weight
1.08 g/cm³
WeightNet weight of the bottle including resin
5 g