DSM Somos® 14120 Water-resistant resin for stereolithography, White

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DSM Somos® 14120 Water-resistant resin for stereolithography, White (discontinued **)
Categories:	Polymer; 3D Printing/Additive Manufacturing Polymer
Material Notes:	DSM Somos® 14120 is a low viscosity liquid photopolymer that produces strong, tough, water-resistant parts. Parts created with Somos® 14120 have a white, opaque appearance similar to production plastics. Somos® 14120 offers many properties that mimic traditional engineering plastics including ABS and PBT. This makes the material ideal for many applications in the automotive, medical and consumer electronics markets and include: functional prototypes water resistant applications Appearance models with minimal finishing Durable concept models High humidity environment applications RTV patterns Information Provided by DSM Desotech Inc.
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. North American leaders in producing fast Rapid Prototyping and Additive Manufacturing solutions utilizing 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 22.0 °C	0.0397 lb/in³ @Temperature 71.6 °F
Water Absorption	0.24 %	0.24 %	ASTM D570-98
Viscosity	240 cP @Temperature 30.0 °C	240 cP @Temperature 86.0 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	81	81	ASTM D2240
Tensile Strength, Yield	45.7 MPa	6630 psi	ASTM D638M
Elongation at Break	7.9 %	7.9 %	ASTM D638M
Elongation at Yield	3.5 %	3.5 %	ASTM D638M
Modulus of Elasticity	2.46 GPa	357 ksi	ASTM D638M
Flexural Strength	68.9 MPa	9990 psi	ASTM D790M
Flexural Modulus	2.25 GPa	326 ksi	ASTM D790M
Poissons Ratio	0.23	0.23	ASTM D638M
Shear Modulus	1.00 GPa	145 ksi	Calculated
Izod Impact, Notched	23.5 J/cm	44.0 ft-lb/in	ASTM D256A
Graves Tear Strength	123 kN/m	702 pli	ASTM D1004

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.5 @Frequency 1e+6 Hz	3.5 @Frequency 1e+6 Hz	ASTM D150-98
	3.8 @Frequency 1000 Hz	3.8 @Frequency 1000 Hz	ASTM D150-98
	3.9 @Frequency 60.0 Hz	3.9 @Frequency 60.0 Hz	ASTM D150-98
Dielectric Strength	14.6 kV/mm	371 kV/in	ASTM D149-97a

Thermal Properties	Metric	English	Comments
CTE, linear	67.0 µm/m-°C @Temperature -40.0 - 0.000 °C	37.2 µin/in-°F @Temperature -40.0 - 32.0 °F	ASTM E831-00
	93.0 µm/m-°C @Temperature 0.000 - 50.0 °C	51.7 µin/in-°F @Temperature 32.0 - 122 °F	ASTM E831-00
	156 µm/m-°C @Temperature 50.0 - 100 °C	86.7 µin/in-°F @Temperature 122 - 212 °F	ASTM E831-00
	180 µm/m-°C @Temperature 100 - 150 °C	100 µin/in-°F @Temperature 212 - 302 °F	ASTM E831-00
Deflection Temperature at 0.46 MPa (66 psi)	53.0 °C	127 °F	ASTM D648-98c
Deflection Temperature at 1.8 MPa (264 psi)	48.0 °C	118 °F	ASTM D648-98c
Glass Transition Temp, Tg	44.0 °C	111 °F	ASTM E1545-00

Descriptive Properties
Appearance	Opaque White
D_p (mm)	0.159		Slope of cure-depth vs. ln(E) curve
E₁₀ (mJ/cm²)	64		Exposure that gives 0.254mm thickness
E_c (mJ/cm²)	13		Critical exposure

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PDSMT016 / 93536

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