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BASF Ultracur3D ST80

Ref.: BASF-ST80-1KG

74.00 €

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Approximate delivery date: Tuesday 7 January - Thursday 9 January

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Ultracur ST80 is a reactive urethane photopolymer developed by BASF (Forward AM) and featured in their family of Tough resins. Available in various colors, including clear, white, grey, and black, ST80 is recognized for its cost-effectiveness and versatile applications. This well-balanced multi-purpose material excels in providing high toughness and impact resistance, making it suitable for a range of demanding applications. Its long-term UV stability ensures that 3D printed parts maintain their integrity and performance even in challenging environmental conditions.

The material properties of Ultracur ST80 highlight its exceptional performance metrics. It exhibits an impact strength (Notched Izod) of 24 J/m, a Young’s modulus of 1500 MPa, and an elongation at break of 20%. These characteristics demonstrate the resin's ability to withstand mechanical stresses and strains, making it an ideal choice for applications that require durable and reliable components. Additionally, ST80 achieves a Shore hardness of 80 D, contributing to its robustness in various engineering contexts.

Part 3D printed with the Ultracur ST80 resin in Clear

Image 1: Part 3D printed with the Ultracur ST80 resin in Clear. Source: BASF (Forward AM).

Ultracur ST80 is compatible with several resin 3D printing technologies, including LCD/DLP/SLA, operating within the wavelength range of 385 to 405 nm. This compatibility allows users to integrate ST80 into existing workflows seamlessly, enhancing the flexibility of production processes. The resin is particularly well-suited for manufacturing electrical casings, customized consumer goods and tools, orthopedic components, and parts that require high detail and textured finishes.

For comprehensive insights into the Ultracur ST80 resin’s performance, users can refer to the detailed technical datasheet (Attachments section), which includes evaluations of UV resistance, chemical resistance, biocompatibility, and sterilization capabilities. The attached user manual provides essential information on storage, printer settings, and post-processing techniques, ensuring optimal use of the material. Additionally, the BASF (Forward AM) settings navigator that assists users in selecting appropriate printer configurations tailored to specific equipment, further facilitating successful printing outcomes with ST80 resin.

General information
Manufacturer	BASF
Material	Urethane-acrylate oligomers
Format	1 kg / 5 kg
Technology	SLA / LED-LCD / DLP
Wavelength	385 / 405
Viscosity	@ 25 ºC: 600 mPas / @ 30 ºC: 400 mPas
Maximum water absorption	(ASTM D570) 24h: 0.5 % / >1100 h: 1.90 %

Printing properties
Layer height	- µm
Layer exposure time	-
Layer off time	-
Bottom layer exposure	-
Bottom layer count	-

Curing and washing properties
Washing time	- min
Curing time	- min
Curing temperature	- ºC

Mechanical properties (uncured / cured)
Izod impact strength	- KJ/m²
Charpy impact strength	(ISO 179-1 @ 23 ºC) 1.4 KJ/m²
Elongation at break	(ASTM D638) 20 %
Tensile strength	(ASTM D638) 35 MPa
Tensile modulus	(ASTM D638) 1500 MPa
Flexural strength	(ASTM D790) 60 MPa
Flexural modulus	(ASTM D790) 1700 MPa
Surface hardness	(ASTM D2240) Shore 80 D

Thermal properties (uncured / cured)
Softening temperature	(ASTM D648) 46 ºC

Other
HS Code	2916.1
Lifetime (since manufacturing)	12 M

The Ultracur3D resins from BASF exhibit high light sensitivity, so they should always be stored in their closed container and away from light.

Before starting a print, it is necessary to shake the resin well and, if possible, place it under vacuum to eliminate any bubbles that may have formed.

Once printed, the cleaning of the parts must be done with isopropyl alcohol. It is recommended to submerge the parts in a container with isopropyl alcohol and place this container inside an ultrasonic cleaner for 4 minutes. It is advisable not to immerse the part for extended periods to avoid deformation and softening.

After cleaning, the parts should dry for 30 minutes at 40 ºC. Once dry, the parts printed with BASF Ultracur3D resins should cure at room temperature to achieve optimal properties. The curing conditions will depend on the characteristics of the printer used and the curing equipment.