Rapid Pro Grey is a light grey, rigid SLA photopolymer from R4PID UK for 355 nm high-precision systems, used for housings, clips, brackets, fixtures and instrument components.
Rapid Pro Grey is a light grey, rigid SLA photopolymer from R4PID UK for 355 nm high-precision systems, used for housings, clips, brackets, fixtures and instrument components.
It combines high stiffness with good strength and thermal resistance, and cleans up with standard solvents.
Typical values from the R4PID UK data sheet (version 1.2, December 2025). The maker states they are for reference, not specification limits.
| Property | Typical value | Test method |
|---|---|---|
| Tensile strength | 50 to 56 MPa | ASTM D638M |
| Tensile modulus | 3,000 to 3,300 MPa | ASTM D638M |
| Elongation at break | 4 to 7% | ASTM D638M |
| Flexural strength | 76 to 81 MPa | ASTM D790 |
| Flexural modulus | 2,300 to 2,520 MPa | ASTM D790 |
| Impact strength (Izod, notched) | 29 to 32 J/m | ASTM D256 |
| Water absorption | 0.57% | ASTM D570 |
| Hardness | Shore D 80 | ASTM D2241 |
| Heat deflection temperature at 0.45 MPa | 56 to 61 °C | ASTM D648 |
| Liquid viscosity at 25 °C | 500 cps | - |
| Liquid density at 25 °C | 1.14 g/cm³ | - |
Designed for 355 nm light sources in high-precision SLA systems.
Complete Fabrication prints parts in Rapid Pro Grey 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 Pro Grey is a light grey, rigid SLA photopolymer from R4PID UK for 355 nm high-precision systems, used for housings, clips, brackets, fixtures and instrument components.
Rapid Pro Grey has a typical tensile strength of 50 to 56 MPa (ASTM D638M), according to the R4PID UK data sheet.
The R4PID UK data sheet gives Rapid Pro Grey a heat deflection temperature at 0.45 MPa of 56 to 61 °C.
Rapid Pro Grey has a hardness of Shore D 80 (ASTM D2241), according to the R4PID UK data sheet.
Rapid Pro Grey is used for housings and enclosures, clips and brackets, fixtures and instrument components.
Yes. Complete Fabrication prints parts in Rapid Pro Grey 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 UK data sheet, Version 1.2, December 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.
