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DSM Somos® ProtoGen™ O-XT 18120 Epoxy Resin for Stereolithography, UV Postcure at HOC +3

Category Polymer , Rapid Prototyping Polymer , Thermoset , Epoxy
Manufacturer DSM Somos
Trade Name ProtoGen™
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DSM Somos® ProtoGen™ O-XT 18120 Epoxy Resin for Stereolithography, UV Postcure at HOC +3.pdf
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Material Notes:
DescriptionDSM Somos® ProtoGen O-XT 18120 is a liquid photopolymer that produces accurate parts ideal for general purpose applications. ProtoGen resins are the first SL resins to demonstrate different material properties based on machine exposure control. Based on Somos oxetane chemistry, ProtoGen O-XT 18120 offers superior chemical resistance, a wide processing latitude and excellent tolerance to a broad range of temperatures and humidities, both during and after build.ApplicationThis high-temperature, ABS-like photopolymer is used in the solid imaging process to build three-dimensional parts. Somos® ProtoGen O-XT 18120 provides considerable processing latitude and is ideal for the medical, electronic, aerospace and automotive markets that demand:Accurate RTV patternsDurable concept modelsHighly accurate partsHumidity and temperature tolerant partsInformation Provided by DSM Desotech Inc.
Physical Properties Metric English Comments
Density 1.16 g/cc

@Temperature 25.0 °C
0.0419 lb/in³

@Temperature 77.0 °F
Viscosity 300 cP

@Temperature 30.0 °C
300 cP

@Temperature 86.0 °F
Mechanical Properties Metric English Comments
Tensile Strength, Yield 56.9 - 57.1 MPa
8250 - 8280 psi
ASTM D638M
Elongation at Break 8.0 - 12 %
8.0 - 12 %
ASTM D638M
Tensile Modulus 2.54 - 2.62 GPa
368 - 380 ksi
ASTM D638M
Flexural Strength 83.8 - 86.7 MPa
12200 - 12600 psi
ASTM D790M
Flexural Modulus 2.40 - 2.45 GPa
348 - 355 ksi
ASTM D790M
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 65.0 - 70.0 °C
149 - 158 °F
ASTM D648-98c
Deflection Temperature at 1.8 MPa (264 psi) 53.0 - 54.0 °C
127 - 129 °F
ASTM D648-98c
Descriptive Properties Value Comments
Appearance Translucent
Dp (mm) 0.12
Slope of cure-depth vs. ln(E) curve
E10 (mJ/cm2) 57
Exposure that gives 0.254mm thickness
Ec (mJ/cm2) 6.38
Critical exposure
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