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DSM Somos® 9120 Epoxy Photopolymer  (Unverified Data**)

Category Polymer , Rapid Prototyping Polymer , Thermoset , Epoxy
Manufacturer
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DSM Somos® 9120 Epoxy Photopolymer  (Unverified Data**).pdf
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Material Notes:
DescriptionDSM Somos® 9120 is a liquid photopolymer that produces robust, functional and accurate parts using stereolithography machines. The material offers superior chemical resistance, a wide processing latitude and excellent tolerance to a broad temperature and humidity range during and after build. Parts created from Somos® 9120 exhibit superior fatigue properties, strong memory retention and high quality up-facing and down-facing surfaces. Somos® 9120 also offers a good balance of properties between rigidity and functionality. The resulting part properties are ideal for master patterns in rubber molding applications. This material is also useful in creating parts for applications where durability and robustness are critical requirements (e.g. automobile components, electronic housings, medical products, large panels and snap-fit parts).ApplicationSomos® 9120 Photopolymer is used in the solid imaging process to build three-dimensional parts.Information Provided by DSM Desotech Inc.
Physical Properties Metric English Comments
Density 1.13 g/cc

@Temperature 25.0 °C
0.0408 lb/in³

@Temperature 77.0 °F
Viscosity 450 cP

@Temperature 30.0 °C
450 cP

@Temperature 86.0 °F
Mechanical Properties Metric English Comments
Hardness, Shore D 80 - 82
80 - 82
ASTM D2240
Tensile Strength, Yield 30.0 - 32.0 MPa
4350 - 4640 psi
ASTM D638M
Elongation at Yield 15 - 25 %
15 - 25 %
ASTM D638M
Modulus of Elasticity 1.227 - 1.462 GPa
178.0 - 212.0 ksi
ASTM D638M
Flexural Strength 41.0 - 46.0 MPa
5950 - 6670 psi
ASTM D790M
Flexural Modulus 1.31 - 1.455 GPa
190 - 211.0 ksi
ASTM D790M
Izod Impact, Notched 0.480 - 0.530 J/cm
0.899 - 0.993 ft-lb/in
ASTM D256A
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 52.0 - 61.0 °C
126 - 142 °F
ASTM D648
Descriptive Properties Value Comments
Appearance Transparent Amber
Dp (mm) 0.14
Slope of cure-depth vs. ln(E) curve
E10 (mJ/cm2) 65
Exposure that gives 0.254mm thickness
Ec (mJ/cm2) 10.9
Critical exposure
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