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DSM Somos® WaterShed® 11120 Water-resistant resin for stereolithography
Categories: Polymer; 3D Printing/Additive Manufacturing Polymer

Material Notes: Description: DSM’s Somos® WaterShed 11120 is a low viscosity liquid photopolymer that produces strong, tough, water-resistant, ABS-like parts. Most importantly, parts created with Somos® WaterShed 11120 are nearly colorless, and look more like true, clear engineered plastic. In addition, Somos® WaterShed has been formulated with the DSM’s Somos® Oxetane Advantage™— an advanced chemistry platform that produces parts with outstanding water resistance and high dimensional stability.

Application: Somos® WaterShed 11120 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 electronic markets and include lenses, packaging, water flow analysis, RTV patterns, durable concept models, wind tunnel testing and quickcast 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 delivering quick turnaround Rapid Prototyping and Additive Manufacturing solutions using all major 3D printing systems including SLA Stereolithography prototypes. Free online 3D printing quotes at www.axisproto.com

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Physical PropertiesOriginal ValueComments
Density 1.12 g/cc
@Temperature 25.0 °C
Water Absorption 0.35 %ASTM D570-98
Viscosity 260 cP
@Temperature 30.0 °C
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 47.1 - 53.6 MPaASTM D638M
Elongation at Break 11 - 20 %ASTM D638M
Elongation at Yield 3.3 - 3.5 %ASTM D638M
Modulus of Elasticity 2.65 - 2.88 GPaASTM D638M
Flexural Strength 63.1 - 74.16 MPaASTM D790M
Flexural Modulus 2255 MPaASTM D790M
Izod Impact, Notched 0.200 - 0.300 J/cmASTM D256A
Graves Tear Strength 150.3 kN/mASTM D1004
 
Electrical PropertiesOriginal ValueComments
Dielectric Constant 3.4 - 3.5
@Frequency 1e+6 Hz
ASTM D150-98
 3.7 - 3.9
@Frequency 1000 Hz
ASTM D150-98
 3.9 - 4.1
@Frequency 60.0 Hz
ASTM D150-98
Dielectric Strength 15.4 - 16.3 kV/mmASTM D149-97a
 
Thermal PropertiesOriginal ValueComments
CTE, linear 66.0 - 67.0 µm/m-°C
@Temperature -40.0 - 0.000 °C
ASTM E831-00
 90.0 - 96.0 µm/m-°C
@Temperature 0.000 - 50.0 °C
ASTM E831-00
 170 - 189 µm/m-°C
@Temperature 50.0 - 100 °C
ASTM E831-00
 185 - 189 µm/m-°C
@Temperature 100 - 150 °C
ASTM E831-00
Deflection Temperature at 0.46 MPa (66 psi) 45.9 - 54.5 °CASTM D648-98c
Deflection Temperature at 1.8 MPa (264 psi) 49.0 - 49.7 °CASTM D648-98c
Glass Transition Temp, Tg 39.0 - 46.0 °CASTM E1545-00
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.512 - 1.515ASTM D542
 
Descriptive Properties
AppearanceOptically clear, near colorless
Dp (mm)5.5Slope of cure-depth vs. ln(E) curve
E10 (mJ/cm2)54Exposure that gives 0.254mm thickness
Ec (mJ/cm2)11.5Critical exposure

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PDSMT022 / 93542

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