

Ultracur FL300 is an innovative reactive urethane photopolymer developed by BASF (Forward AM) for their Flexible resins portfolio. The FL300 resin is specifically designed to meet the demands of flexible applications. Part of the Flexible family of resins, FL300 stands out for its exceptional torsional flexibility and high tear strength, making it an ideal choice for projects requiring durability and resilience. With a remarkable Shore hardness of 40 A, this resin provides a soft touch while ensuring robust performance in various applications.
One of the standout features of Ultracur FL300 is its impressive mechanical properties. The material boasts a significant elongation at break of 245%, allowing it to stretch and deform without compromising its integrity. Coupled with a tear strength of 9 N/mm and a rebound resilience of 16%, FL300 is engineered for dynamic applications where flexibility and strength are critical. These characteristics make it particularly suitable for industries such as footwear manufacturing, energy damping, cushioning pads, and flexible grips, where comfort and functionality go hand in hand.
Ultracur FL300's versatility extends to its compatibility with multiple resin 3D printing technologies, including LCD, DLP, and SLA systems that operate within the 385 to 405 nm wavelength range. This compatibility allows users to easily integrate FL300 into their existing production workflows, streamlining the 3D printing process and enhancing production efficiency. The resin's adaptability ensures it can be utilized across a variety of projects, from rapid prototyping to final product manufacturing.
For users seeking in-depth information about Ultracur FL300's performance, a comprehensive technical data sheet is available in the Attachments section. It details essential properties such as UV resistance, industrial chemical resistance, and biocompatibility. Additionally, the user manual offers valuable guidance on storage, printer settings, and post-processing techniques to optimize the use of the material. To further assist users, the BASF (Forward AM) settings navigator helps identify suitable printer settings for specific equipment, ensuring successful print outcomes and maximizing the potential of FL300 resin in diverse applications.
General information |
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Manufacturer | BASF |
Material | Urethane-acrylate oligomers |
Format | 1 kg / 5 kg |
Technology | SLA / LED-LCD / DLP |
Wavelength | 385 / 405 nm |
Viscosity | @ 25 ºC: 200 mPas / @ 30 ºC: 160 mPas |
Density (solid) | (ASTM D792) 1.07 g/cm³ g/cm³ |
Density (liquid) | (ASTM D4052-18a) 1.01 g/cm³ g/cm³ |
Printing properties |
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Layer height | - µm |
Layer exposure time | - |
Layer off time | - |
Bottom layer exposure | - |
Bottom layer count | - |
Curing and washing properties |
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Washing time | - min |
Curing time | - min |
Curing temperature | - ºC |
Mechanical properties (uncured / cured) |
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Izod impact strength | - KJ/m² |
Charpy impact strength | - KJ/m² |
Elongation at break | (ASTM D412C) 245 % |
Tensile strength | (ASTM D412C) 5 MPa |
Tensile modulus | - MPa |
Flexural strength | - MPa |
Flexural modulus | - MPa |
Surface hardness | (ASTM D2240) Shore 40 A |
Thermal properties (uncured / cured) |
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Softening temperature | - ºC |
Other |
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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.