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Elmet Technologies

Dow SPECTRIM™ HH 390 Reaction Moldable Polymer  (discontinued **)
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes:

Information provided by Dow

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Physical PropertiesMetricEnglishComments
Density 1.26 g/cc0.0455 lb/in³ASTM D792
Filler Content 20 %20 %
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 29.96 MPa4346 psiperpendicular; ASTM D638
 34.21 MPa4962 psiparallel; ASTM D638
Elongation at Break 52.7 %52.7 %parallel; ASTM D638
 74.1 %74.1 %perpendicular; ASTM D638
Flexural Modulus 1.03 GPa150 ksiperpendicular; ASTM D790
 1.88 GPa273 ksiparallel; ASTM D790
Izod Impact, Notched 1.10 J/cm2.06 ft-lb/inASTM D256
Dart Drop, Total Energy 2.504 J1.847 ft-lbMax Load; ASTM D3763
 12.65 J9.330 ft-lbASTM D3763
Instrumented Impact Total Energy 20.4 J15.0 ft-lbASTM D3763
Instrumented Impact Energy at Peak 6.50 J4.79 ft-lbEnergy at Max load; ASTM D3763
 
Thermal PropertiesMetricEnglishComments
CTE, linear  48.1 µm/m-°C
@Temperature -40.0 °C
26.7 µin/in-°F
@Temperature -40.0 °F
ASTM D696
 52.0 µm/m-°C
@Temperature 66.1 °C
28.9 µin/in-°F
@Temperature 151 °F
ASTM D696
 55.1 µm/m-°C
@Temperature 121 °C
30.6 µin/in-°F
@Temperature 250 °F
ASTM D696
CTE, linear, Transverse to Flow  128 µm/m-°C
@Temperature -40.0 °C
71.3 µin/in-°F
@Temperature -40.0 °F
ASTM D696
 141 µm/m-°C
@Temperature 66.1 °C
78.2 µin/in-°F
@Temperature 151 °F
ASTM D696
 147 µm/m-°C
@Temperature 121 °C
81.8 µin/in-°F
@Temperature 250 °F
ASTM D696
Deflection Temperature at 0.46 MPa (66 psi) 204 °C400 °FASTM D648

**
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PDOW1434 / 30652

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