BASF Ultracur3D RG 1100
BASF Ultracur3D RG 1100
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Ultracur3D® RG 1100 is a technical urethane-based photopolymer resin developed by BASF Forward AM, positioned by the manufacturer in the "Rigid" and "High Temp" categories. The formulation targets mechanical properties comparable to those of injection-moulded thermoplastics commonly used in the automotive industry and other demanding sectors.
The resin is available in several colours. It combines high rigidity (tensile modulus of 3080 MPa, Shore D hardness of 85), good chemical resistance and documented long-term UV stability.
Thermal performance and mechanical behaviour
Heat deflection temperature (HDT) reaches 116 °C at 0.45 MPa and 84 °C at 1.82 MPa, making it one of the highest in the Ultracur3D range. UL 94 fire rating at 1.5 mm is HB. Tensile strength is 70 MPa with an elongation at break of 5 %, and flexural strength is 119 MPa (modulus 2880 MPa). Notched Izod impact at 23 °C comes out at 16 J/m and notched Charpy at 0.6 kJ/m², consistent with a rigid material subject to low deformation.
Applications
Water absorption over 24 hours is limited to 0.32 %, contributing to long-term dimensional stability of parts. The resin is intended for automotive industry connectors, demanding technical parts, external covers, and supports and housings requiring good thermal and chemical resistance.
Technical specifications
| Material | Technical urethane photopolymer |
|---|---|
| Category | Rigid / High Temp |
| Appearance | Available in several colours |
| Light source | DLP, LCD |
| Viscosity at 30 °C (cone/plate rheometer) | 201 mPa·s |
| Viscosity at 50 °C (cone/plate rheometer) | 65 mPa·s |
| Liquid resin density (ASTM D4052-18a) | 1.12 g/cm³ |
| Cured part density (ASTM D792) | 1.2 g/cm³ |
| Tensile modulus (ASTM D638) | 3080 MPa |
| Tensile strength (ASTM D638) | 70 MPa |
| Elongation at break (ASTM D638) | 5 % |
| Flexural modulus (ASTM D790) | 2880 MPa |
| Flexural strength (ASTM D790) | 119 MPa |
| Notched Izod at 23 °C (ASTM D256) | 16 J/m |
| Notched Charpy at 23 °C (ISO 179-1) | 0.6 kJ/m² |
| HDT at 0.45 MPa (ASTM D648) | 116 °C |
| HDT at 1.82 MPa (ASTM D648) | 84 °C |
| Fire rating UL 94 (1.5 mm) | HB |
| Shore D hardness (ASTM D2240) | 85 |
| Water absorption 24 h (ASTM D570) | 0.32 % |
| UV stability | Long-term |
Compatibility
- Vat photopolymerisation processes
- DLP and LCD systems
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