DSM Somos® ProtoCast™ AF 19122 Antimony-free Liquid Photopolymer

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DSM Somos® ProtoCast™ AF 19122 Antimony-free Liquid Photopolymer
Categories:	Polymer; 3D Printing/Additive Manufacturing Polymer
Material Notes:	Product Description DSM Somos® ProtoCast™ AF 19122 is an antimony-free liquid photopolymer specifically formulated for producing investment casting patterns. Applications Ideal for use in foundry applications, ProtoCast AF 19122 is totally antimony free, which eliminates the risk of contamination in specialty alloys. Antimony is traditionally present in the photoinitiators that activate the stereolithography chemistry. No other metals are present in the photopolymer chemistry. The absence of antimony also allows stereolithography patterns to burn out more completely, resulting in significantly lower residual ash than is produced by burning out conventional stereolithography patterns. Studies have shown that the residual ash of ProtoCast AF 19122 is less than 0.015% after burnout at 1500°F for two hours. Key Product Benefits Very low ash High casting yields Antimony free Information Provided by DSM Desotech Inc.
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Available Properties

Density
Water Absorption, ASTM D570-98
Viscosity
Hardness, Shore D, ASTM D2240
Tensile Strength at Break, ASTM D638M
Elongation at Break, ASTM D638M
Tensile Modulus, ASTM D638M
Flexural Strength, ASTM D790M
Flexural Modulus, ASTM D790M
Izod Impact, Notched, ASTM D256A
Dielectric Constant, ASTM D150-98
Dielectric Constant, ASTM D150-98
Dielectric Constant, ASTM D150-98
Dielectric Strength, ASTM D149-97a
CTE, linear, ASTM E831-05
CTE, linear, ASTM E831-05
CTE, linear, ASTM E831-05
CTE, linear, ASTM E831-05
Deflection Temperature at 0.46 MPa (66 psi), ASTM D648
Deflection Temperature at 1.8 MPa (264 psi), ASTM D648
Glass Transition Temp, Tg, ASTM E1545-00

Property Data

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Manufacturer Notes:
none

Category Notes
Plastic

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