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DSM Somos® 7120 Epoxy Photopolymer, Green Parts  (discontinued **)

Category Polymer , Rapid Prototyping Polymer , Thermoset , Epoxy
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DSM Somos® 7120 Epoxy Photopolymer, Green Parts  (discontinued **).pdf
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Material Notes:
DescriptionDSM Somos® 7120 Photopolymer is a humidity-tolerant, high heat-deflection-temperature, low-curl, high-speed liquid that produces rigid, highly accurate parts. It produces exceptional, undistorted thin walls and down-facing surfaces and exhibits good processing latitude.ApplicationSomos® 7120 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 700 cP

@Temperature 30.0 °C
700 cP

@Temperature 86.0 °F
Mechanical Properties Metric English Comments
Hardness, Shore D 88
88
ASTM D2240
Tensile Strength, Yield 44.0 MPa
6380 psi
ASTM D638M
Elongation at Break 1.3 - 7.5 %
1.3 - 7.5 %
ASTM D638M
Modulus of Elasticity 2.222 GPa
322.3 ksi
ASTM D638M
Flexural Strength 89.0 MPa
12900 psi
ASTM D790M
Flexural Modulus 2.57 GPa
373 ksi
ASTM D790M
Izod Impact, Notched 0.252 J/cm
0.472 ft-lb/in
ASTM D256A
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) <= 65.0 °C
<= 149 °F
ASTM D648
Descriptive Properties Value Comments
Appearance Transparent Amber
Dp (mm) 0.123
Slope of cure-depth vs. ln(E) curve
E10 (mJ/cm2) 64
Exposure that gives 0.254mm thickness
E5 (mJ/cm2) 23
Exposure that gives 0.127mm thickness
Ec (mJ/cm2) 8
Critical exposure
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