Rapid White (UK1618) is a matte white SLA photopolymer from R4PID Operations for industrial 355 nm systems, used for functional prototyping and assembly fit testing.
Rapid White (UK1618) is a matte white SLA photopolymer from R4PID Operations for industrial 355 nm systems, used for functional prototyping and assembly fit testing.
It has moderate viscosity, low odour and good dimensional accuracy, and it accepts sanding and painting for finished-looking models.
Typical values from the R4PID Operations data sheet (version 1.3, June 2025).
| Property | Typical value | Test method |
|---|---|---|
| Tensile strength | 40 to 44 MPa | ASTM D638M |
| Tensile modulus | 2,080 to 2,480 MPa | ASTM D638M |
| Elongation at break | 8 to 12% | ASTM D638M |
| Flexural strength | 76 to 82 MPa | ASTM D790 |
| Flexural modulus | 1,860 to 2,060 MPa | ASTM D790 |
| Impact strength (Izod, notched) | 30 to 34 J/m | ASTM D256 |
| Water absorption | 0.38 to 0.42% | ASTM D570 |
| Hardness | Shore D 78 to 80 | ASTM D2241 |
| Heat deflection temperature at 0.45 MPa | 49 to 61 °C | ASTM D648 |
| Heat deflection temperature at 1.82 MPa | 48 to 60 °C | ASTM D648 |
| Liquid viscosity at 25 °C | 416 to 420 mPa·s | - |
Compatible with industrial 355 nm SLA platforms.
Complete Fabrication prints parts in Rapid White (UK1618) at Lion Works in Whittlesford, near Cambridge, and finishes, paints and assembles them in house. Email your CAD to Info@compfab.co.uk or call +44 1223 836837. We quote fast. If you need a quote quickly, let us know and we will do our best to match your timings. See all materials we run.
Rapid White (UK1618) is a matte white SLA photopolymer from R4PID Operations for industrial 355 nm systems, used for functional prototyping and assembly fit testing.
Rapid White (UK1618) has a typical tensile strength of 40 to 44 MPa (ASTM D638M), according to the R4PID Operations data sheet.
The R4PID Operations data sheet gives Rapid White (UK1618) a heat deflection temperature at 0.45 MPa of 49 to 61 °C.
Rapid White (UK1618) has a hardness of Shore D 78 to 80 (ASTM D2241), according to the R4PID Operations data sheet.
Rapid White (UK1618) is used for functional prototyping, assembly fit testing, end-use concept models and parts that will be sanded or painted.
Yes. Complete Fabrication prints parts in Rapid White (UK1618) at its workshop in Whittlesford, near Cambridge. Send CAD to Info@compfab.co.uk. We quote fast, and if you need a quote quickly, let us know and we will do our best to match your timings.
Values are typical figures from the R4PID Operations data sheet, Version 1.3, June 2025. They vary with printer, build orientation, post-processing and test method, and are not a specification. Check the current data sheet before you design with the material.
See also:3D printing in Cambridge, all material data sheets and what affects the price. To get parts made in this material, contact us.
