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Elmet Technologies

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Sumitomo Bakelite EM 7400-2 Epoxy Molding Compound
Categories: Polymer; Thermoset; Epoxy; Epoxy Molding Compound

Material Notes: EM 7400-2 is a polyaramide fiber reinforced epoxy molding compound, which features abrasion resistance and light weight

Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp)

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.00 - 1.15 g/ccASTM D792
Linear Mold Shrinkage 0.0030 cm/cmASTM D955
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 85ASTM D785
Tensile Strength 48.0 MPaASTM D638
Flexural Strength 76.0 MPaASTM D790
Flexural Modulus 6.60 GPaASTM D790
Compressive Strength 210 MPaASTM D695
Izod Impact, Notched 216 J/mASTM D256A
 
Electrical PropertiesOriginal ValueComments
Dielectric Constant 1.8
@Frequency 1e+6 Hz
wet; ASTM 150
Dielectric Strength >= 14.4 kV/mm
@Frequency 60 Hz
SS, dry
 >= 15.4 kV/mm
@Frequency 60 Hz
ST, dry
Dissipation Factor 0.030
@Frequency 1e+6 Hz
wet; ASTM D150
Arc Resistance 126 secASTM D495

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PSUMIT144 / 193949

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