3D Systems Accura® SI 40 Plastic for the SLA® 250 System

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3D Systems Accura® SI 40 Plastic for the SLA® 250 System
Categories:	Polymer; 3D Printing/Additive Manufacturing Polymer
Material Notes:	Accura 40 "Ar" or "Hc" type materials - for the SLA 250 system. Mimics Nylon 6:6 Applications High temperature testing: Under hood bolt-on testing Wind tunnel testing HVAC testing Prototyping and testing of rigid cases and enclosures Flow visualization Drilling and self-tapping Pressure tappings Snap fit assemblies RTV mold patterns Features Stiffness matches nylon 6:6 High heat resistance without brittleness Good durability Outstanding accuracy with minimal distortion Fully developed and tested build styles All information provided by 3D Systems.
Vendors:	Proto3000 provides design tools, 3D printers, additive manufacturing processes, metrology technologies, high-performance materials, and part-finishing automation. Our ISO 9001:2015 additive manufacturing production facility offers 3D printing services, rapid prototyping services, and end-part production with HP MultiJet Fusion (MJF), FDM, SLA, SLS, Polyjet, DLP, metal binder jetting, BMD, and DMLS. Axis Proto Inc. Leaders in providing fast Rapid Prototyping Services and Additive Manufacturing solutions using all major 3D printing systems including SLA printing technology. Free 3D printing quotes at www.axisproto.com Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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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
	61.0 µm/m-°C	33.9 µin/in-°F	90 Minute UV Cure; T
	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
Appearance	Clear amber
Critical Exposure (mJ/cm²)	13.9
Tested Build Styles	EXACT™

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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