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

Category	Polymer , Rapid Prototyping Polymer
Manufacturer	DSM Somos
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	DSM Somos® 14120 Water-resistant resin for stereolithography, White.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

DescriptionDSM 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.ApplicationSomos® 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 prototypeswater resistant applicationsAppearance models with minimal finishingDurable concept modelsHigh humidity environment applicationsRTV patternsInformation Provided by DSM Desotech Inc.

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

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

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.5 @Frequency 1.00e+6 Hz	3.5 @Frequency 1.00e+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

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

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