DSM Somos® 7120 Epoxy Photopolymer, UV Postcure (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, UV Postcure (discontinued **).pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

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	58.0 MPa	8410 psi	ASTM D638M
Elongation at Break	2.1 - 6.9 %	2.1 - 6.9 %	ASTM D638M
Modulus of Elasticity	2.477 GPa	359.3 ksi	ASTM D638M
Flexural Strength	108 MPa	15700 psi	ASTM D790M
Flexural Modulus	2.967 GPa	430.3 ksi	ASTM D790M
Izod Impact, Notched	0.270 J/cm	0.506 ft-lb/in	ASTM D256A

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	<= 70.0 °C	<= 158 °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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