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DSM Somos® ProtoGen™ 18420 Epoxy Resin for Stereolithography, UV Postcure at HOC +3
Categories: Polymer; 3D Printing/Additive Manufacturing Polymer; Thermoset; Epoxy

Material Notes: Description: DSM’s Somos® ProtoGen 18420 is a liquid, ABS-like, photopolymer that produces accurate parts ideal for general purpose applications. Somos® ProtoGen resins are the first stereolithography resins to demonstrate different material properties based on machine exposure control. Based on Somos® Oxetane™ chemistry, Somos® ProtoGen 18420 offers superior chemical resistance, a wide processing latitude and excellent tolerance to a broad range of temperatures and humidity, both during and after the build.

Application: This high-temperature resistant, ABS-like photopolymer is used in solid imaging processes, like stereolithography, to build three-dimensional parts. Somos® ProtoGen 18420 provides considerable processing latitude and is ideal for the medical, electronic, aerospace and automotive markets that demand accurate RTV patterns, durable concept models, highly accurate and humidity & temperature resistant parts.

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. Industry leaders in providing high quality Rapid Prototyping and Additive Manufacturing solutions using all major 3D printing systems including SLA Rapid Prototypes. Fast and Free online quotes at www.axisproto.com

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Physical PropertiesOriginal ValueComments
Density 1.16 g/cc
@Temperature 25.0 °C
Viscosity 350 cP
@Temperature 30.0 °C
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 56.9 - 57.1 MPaASTM D638M
Elongation at Break 8.0 - 12 %ASTM D638M
Tensile Modulus 2540 - 2620 MPaASTM D638M
Flexural Strength 83.8 - 86.7 MPaASTM D790M
Flexural Modulus 2400 - 2450 MPaASTM D790M
 
Descriptive Properties
AppearanceWhite
Dp (mm)4.34Slope of cure-depth vs. ln(E) curve
E10 (mJ/cm2)67.6Exposure that gives 0.254mm thickness
Ec (mJ/cm2)6.73Critical exposure

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