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DSM Somos® 8120 Epoxy Photopolymer  (discontinued **)

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® 8120 Epoxy Photopolymer  (discontinued **).pdf
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Material Notes:
DescriptionDSM Somos® 8120 is a high-speed liquid photopolymer that produces flexible, high-impact-strength, accurate parts using stereolithography machines. It has a wide processing latitude and excellent tolerance to a wide temperature and humidity range during and after build. This material is especially useful in functional applications where flexibility and impact-strength are critical requirements (e.g. plastic bottles, packaging, automobile panels, electronic enclosures, medical products, and snap-fit parts).ApplicationSomos® 8120 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 1.11 g/cc

@Temperature 25.0 °C
0.0401 lb/in³

@Temperature 77.0 °F
Viscosity 600 cP

@Temperature 30.0 °C
600 cP

@Temperature 86.0 °F
Mechanical Properties Metric English Comments
Hardness, Shore D 76
76
ASTM D2240
Tensile Strength, Yield 26.0 MPa
3770 psi
ASTM D638M
Elongation at Break 27 %
27 %
ASTM D638M
Modulus of Elasticity 0.276 - 0.703 GPa
40.0 - 102 ksi
ASTM D638M
Flexural Strength 26.0 MPa
3770 psi
ASTM D790M
Flexural Modulus 0.690 GPa
100 ksi
ASTM D790M
Izod Impact, Notched 0.590 J/cm
1.11 ft-lb/in
ASTM D256A
Tear Strength, Total 205 N
46.1 lb (f)
Graves; ASTM D1004
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 54.0 °C
129 °F
ASTM D648
Descriptive Properties Value Comments
Appearance Transparent Amber
Dp (mm) 0.157
Slope of cure-depth vs. ln(E) curve
E10 (mJ/cm2) 35
Exposure that gives 0.254mm thickness
E5 (mJ/cm2) 15
Exposure that gives 0.127mm thickness
Ec (mJ/cm2) 6.75
Critical exposure
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