ProtoTherm 12120

About
DSM’s Somos® ProtoTherm 12120 is a liquid photopolymer that produces strong, high-temperature tolerant, water-resistant parts. Parts created with Somos® ProtoTherm 12120 have a cherry-red appearance which turns to an orange-red color after thermal treatment. Applications Somos® ProtoTherm 12120 differentiates itself from other high temperature stereolithography materials by increasing in tensile strength and maintaining decent elongation at break after thermal treatment. This makes the material ideal for many applications in the automotive and aerospace markets where strong parts that can resist high temperatures are needed.&&

Product Description
SupplierDSM
Generic3D打印材料
Material StatusCommercial: Active
FeaturesGood Rigidity,Low or no water absorption,High Heat Resistance,Moisture resistance,Good Tensile Strength
AvailabilitysNorth America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density1.15g/cm³
Water absorption rate
balance0.37%ASTM D570
viscosity
30℃0.55Pa·s

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch12J/mASTM D256-A

THERMALNominal valueUnitTest method
Hot deformation temperatureASTM D648
0.45 MPa, unannealed56.5
1.8 MPa, unannealed51.9
Glass transition temperature74.0ASTM E1545
Linear coefficient of thermal expansion
MDASTM E831
-40 to 0 ℃5.8E-5cm/cm/℃
0 to 50 ℃8.1E-5cm/cm/℃
50 to 100 ℃1.1E-4cm/cm/℃
100 to 150 ℃1.4E-4cm/cm/℃

Electrical performanceNominal valueUnitTest method
Dielectric strength16kV/mmASTM D149
Dielectric constantASTM D150
60 Hz4.14
1 kHz4.04
1 MHz3.81

Supplementary informationNominal valueUnitTest method
Critical Exposure11.8mJ/cm²
Penetration depth152.4µm

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s D85ASTM D2240
Tensile modulus3520MPaASTM D638
tensile strength70.2MPaASTM D638
Tensile strain
fracture4.0%ASTM D638
Bending modulus3320MPaASTM D790
bending strength109MPaASTM D790

Notes
1. Typical properties: these are not to be construed as specifications.
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