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3D Systems Accura® SI 40 Plastic for the SLA® 500 System

Category Polymer , Rapid Prototyping Polymer
Manufacturer 3D Systems Corporation
Trade Name Accura®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF 3D Systems Accura® SI 40 Plastic for the SLA® 500 System.pdf
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Material Notes:
Accura 40 "Ar" or "Hc" type materials - for the SLA 500 system. Mimics Nylon 6:6ApplicationsHigh temperature testing:Under hood bolt-on testingWind tunnel testingHVAC testingPrototyping and testing of rigid cases and enclosuresFlow visualizationDrilling and self-tappingPressure tappingsSnap fit assembliesRTV mold patternsFeaturesStiffness matches nylon 6:6High heat resistance without brittlenessGood durabilityOutstanding accuracy with minimal distortionFully developed and tested build stylesAll information provided by 3D Systems.
Physical Properties Metric English Comments
Density 1.10 g/cc

@Temperature 25.0 °C
0.0397 lb/in³

@Temperature 77.0 °F
Liquid
Viscosity 485 cP

@Temperature 30.0 °C
485 cP

@Temperature 86.0 °F
Mechanical Properties Metric English Comments
Hardness, Shore D 87
87
90 Minute UV Cure; ASTM D2240
87
87
90 Minute UV Cure + Thermal; ASTM D2240
Tensile Strength, Yield 61.5 - 62.2 MPa
8920 - 9020 psi
90 Minute UV Cure; ASTM D638
75.0 - 76.7 MPa
10900 - 11100 psi
90 Minute UV Cure + Thermal; ASTM D638
Elongation at Break 4.1 - 4.3 %
4.1 - 4.3 %
90 Minute UV Cure; ASTM D638
5.9 - 7.5 %
5.9 - 7.5 %
90 Minute UV Cure + Thermal; ASTM D638
Tensile Modulus 2.84 - 3.048 GPa
412 - 442.1 ksi
90 Minute UV Cure; ASTM D638
3.047 - 3.532 GPa
441.9 - 512.3 ksi
90 Minute UV Cure + Thermal; ASTM D638
Flexural Strength 102 - 107 MPa
14800 - 15500 psi
90 Minute UV Cure; ASTM D790
117 - 119.1 MPa
17000 - 17270 psi
90 Minute UV Cure + Thermal; ASTM D790
Flexural Modulus 3.186 - 3.255 GPa
462.1 - 472.1 ksi
90 Minute UV Cure; ASTM D790
3.186 - 3.255 GPa
462.1 - 472.1 ksi
90 Minute UV Cure + Thermal; ASTM D790
Izod Impact, Notched 0.223 - 0.299 J/cm
0.418 - 0.560 ft-lb/in
90 Minute UV Cure; ASTM D256
0.223 - 0.299 J/cm
0.418 - 0.560 ft-lb/in
90 Minute UV Cure + Thermal; ASTM D256
Penetration 4.2
4.2
mils
Thermal Properties Metric English Comments
CTE, linear 80.6 µm/m-°C
44.8 µin/in-°F
90 Minute UV Cure + Thermal; T<Tg; ASTM E831-93
89.2 µm/m-°C
49.6 µin/in-°F
90 Minute UV Cure; T<Tg; ASTM E831-93
157 µm/m-°C
87.2 µin/in-°F
90 Minute UV Cure + Thermal; T>Tg; ASTM E831-93
190 µm/m-°C
106 µin/in-°F
90 Minute UV Cure; T>Tg; ASTM E831-93
Deflection Temperature at 0.46 MPa (66 psi) 54.0 °C
129 °F
90 Minute UV Cure; ASTM D648
114 °C
237 °F
90 Minute UV Cure + Thermal; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 49.0 °C
120 °F
90 Minute UV Cure; ASTM D648
89.0 °C
192 °F
90 Minute UV Cure + Thermal; ASTM D648
Glass Transition Temp, Tg 75.9 °C
169 °F
90 Minute UV Cure; DMA, E"
90.0 °C
194 °F
90 Minute UV Cure + Thermal; DMA, E"
Descriptive Properties Value Comments
Appearance Clear amber
Critical Exposure (mJ/cm²) 11.3
Tested Build Styles EXACT™
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