PP Class

Accura® 25

 

Flexible plastic to simulate and replace CNC-machined white polypropylene articles.

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Processes
  • Stereolithography (SLA)
  • Fused Deposition Modeling (FDM)
Properties
  • ABS-like
  • PP-like
  • Flexible
Colors
  • Off-white
Finishes
  • Standard
  • Clearcoat
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