PP Class
Accura® 25
Flexible plastic to simulate and replace CNC-machined white polypropylene articles.
Processes
- Stereolithography (SLA)
Properties
- Flexible
Colors
- Off-white
Finishes
- Natural
- Standard
- Paint-ready
- Painted
- Quick Clear
- Clearpart
- Custom
Features
• Flexible
• Snap fit assemblies
• Master patterns for vacuum casting
• Durable functional prototypes
Post-Cured Material
| MEASUREMENT | CONDITION | METRIC | U.S. |
| Tensile Strength (MPa/PSI) | ASTM D 638 | 55-58 | 5540-5570 |
| Tensile Modulus (MPa/KSI) | ASTM D 638 | 1590-1660 | 230-240 |
| Elongation at Break (%) | ASTM D 638 | 13-20 | 13-20 |
| Flexural Strength (MPa/PSI) | ASTM D 790 | 55-58 | 7960-8410 |
| Flexural Modulus (MPa/KSI) | ASTM D 790 | 1380-1660 | 200-240 |
| Impact Strength (J/m /Ft-lbs/in) | ASTM D 256 | 19-24 | 0.4 |
| Heat Deflection Temperature |
ASTM D 648 @ 66 PSI @ 264 PSI |
58-63 °C 51-55 °C |
136-145 °F 124-131 °F |
| Coefficient of Thermal Expansion (CTE) |
ASTM E 831-93 TMA (T<Tg, 0-20 °C) TMA (T<Tg, 75-140 °C) |
107 x 10¯6 151 x 10¯6 |
59.4 83.9 |
| Glass Transition (Tg) | DMA, E” | 72-74 | 162-165 |
| Hardness, Shore D | 80 | 80 |
Liquid Material
| MEASUREMENT | CONDITION | VALUE |
| Viscosity | @ 30 °C (86 °F) | 250 cps |
| Penetration Depth (Dp) | 4.2 mils | |
| Critical Exposure (Ec) | 10.5 mJ/cm2 | |
| Color | White | |
| Solid Density | @ 25 °C (77 °F) | 1.19 g/cm3 at 25 °C |
| Liquid Density | @ 25 °C (77 °F) | 1.13 g/cm3 at 25 °C |