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Elmet Technologies

Synfoam® HT-19 Syntactic Foam
Categories: Polymer; Thermoset

Material Notes: Pre-cast. SynFoam HT is a high performance, light weight pre-cast syntactic foam that provides the best combination of high temperature resistance and dielectric properties. SynFoam HT has a low coefficient of thermal expansion and good strength. In addition to being used for weight reduction SynFoam HT is also used in the microwave industry because of the dielectric properties which show outstanding performance over a wide frequency range up to 10 GHz. SynFoam HT is an ideal structural core material for applications that will be exposed to higher temperatures and has been used to replace honeycomb structures. SynFoam HT is chemically stable, UV resistant and does not absorb water. SynFoam HT is available as 4” x 12” x 12” fully cured blocks. The blocks may be further machined into different sizes and shapes by the end user to meet the necessary specific tolerances and requirements. Our syntactic foam is easily bonded together with the use of our syntactic adhesive to form large structures.

Information provided by Synfoam®

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Physical PropertiesMetricEnglishComments
Density 0.272 - 0.336 g/cc0.00984 - 0.0122 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Compressive Strength 9.31 MPa1350 psi
Compressive Modulus 0.345 GPa50.0 ksi
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 1.41.4
 
Thermal PropertiesMetricEnglishComments
CTE, linear 16.0 µm/m-°C8.89 µin/in-°F
Glass Transition Temp, Tg 180 °C356 °F
 
Descriptive Properties
Sound Velocity (m/s)1950

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