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3D Systems Accura® SI 40 Plastic for the SLA® 250 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® 250 System.pdf
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Material Notes:
Accura 40 "Ar" or "Hc" type materials - for the SLA 250 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 90
90
90 Minute UV Cure; ASTM D2240
90
90
90 Minute UV Cure + Thermal; ASTM D2240
Tensile Strength, Yield 64.9 - 65.7 MPa
9410 - 9530 psi
90 Minute UV Cure; ASTM D638
75.2 - 75.7 MPa
10900 - 11000 psi
90 Minute UV Cure + Thermal; ASTM D638
Elongation at Break 4.4 - 5.5 %
4.4 - 5.5 %
90 Minute UV Cure; ASTM D638
5.3 - 8.2 %
5.3 - 8.2 %
90 Minute UV Cure + Thermal; ASTM D638
Tensile Modulus 3.169 - 3.238 GPa
459.6 - 469.6 ksi
90 Minute UV Cure; ASTM D638
3.10 - 3.309 GPa
450 - 479.9 ksi
90 Minute UV Cure + Thermal; ASTM D638
Flexural Strength 106.7 - 110.2 MPa
15480 - 15980 psi
90 Minute UV Cure; ASTM D790
110.9 - 112.3 MPa
16080 - 16290 psi
90 Minute UV Cure + Thermal; ASTM D790
Flexural Modulus 3.10 - 3.186 GPa
450 - 462.1 ksi
90 Minute UV Cure + Thermal; ASTM D790
3.169 - 3.238 GPa
459.6 - 469.6 ksi
90 Minute UV Cure; ASTM D790
Izod Impact, Notched 0.1658 - 0.1872 J/cm
0.3106 - 0.3507 ft-lb/in
90 Minute UV Cure; ASTM D256
0.1281 - 0.230 J/cm
0.2400 - 0.431 ft-lb/in
90 Minute UV Cure + Thermal; ASTM D256
Penetration 4.7
4.7
mils
Thermal Properties Metric English Comments
CTE, linear 53.7 µm/m-°C
29.8 µin/in-°F
90 Minute UV Cure + Thermal; T<Tg; ASTM E831-93
61.0 µm/m-°C
33.9 µin/in-°F
90 Minute UV Cure; T<Tg; ASTM E831-93
103 µm/m-°C
57.2 µin/in-°F
90 Minute UV Cure + Thermal; T>Tg; ASTM E831-93
147 µm/m-°C
81.7 µin/in-°F
90 Minute UV Cure; T>Tg; ASTM E831-93
Deflection Temperature at 0.46 MPa (66 psi) 61.0 °C
142 °F
90 Minute UV Cure; ASTM D648
120 °C
248 °F
90 Minute UV Cure + Thermal; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 55.0 °C
131 °F
90 Minute UV Cure; ASTM D648
105 °C
221 °F
90 Minute UV Cure + Thermal; ASTM D648
Glass Transition Temp, Tg 76.0 °C
169 °F
90 Minute UV Cure; DMA, E"
99.0 °C
210 °F
90 Minute UV Cure + Thermal; DMA, E"
Descriptive Properties Value Comments
Appearance Clear amber
Critical Exposure (mJ/cm²) 13.9
Tested Build Styles EXACT™
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