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Elmet Technologies

Cosmic Plastics K77 Short Glass Fiber Filled Iso Diallyl Phthalate Molding Compound
Categories: Polymer; Thermoset; Diallyl Phthalate (DAP); Diallyl Phthalate (DAP) Molding Compound, Short Glass Fiber Filled; Filled/Reinforced Thermoset

Material Notes:

Data provided by the manufacturer.

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Physical PropertiesMetricEnglishComments
Density 1.78 g/cc0.0643 lb/in³
Apparent Bulk Density 0.710 g/cc0.0257 lb/in³
Water Absorption 0.20 %0.20 %48 hrs, 50°C
Linear Mold Shrinkage 0.0010 - 0.0040 cm/cm0.0010 - 0.0040 in/intypical.
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 41.0 - 69.0 MPa5950 - 10000 psi
Flexural Strength 97.0 MPa14100 psi
Compressive Strength 172 MPa24900 psi
Izod Impact, Notched 0.450 J/cm0.843 ft-lb/in
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity >= 1.00e+17 ohm-cm>= 1.00e+17 ohm-cm
Surface Resistance >= 1.00e+17 ohm>= 1.00e+17 ohm
Dielectric Constant  4.2
@Frequency 1e+6 Hz
4.2
@Frequency 1e+6 Hz
Wet
 4.3
@Frequency 1000 Hz
4.3
@Frequency 1000 Hz
Wet
Dielectric Strength 16.0 kV/mm406 kV/inWet, Step by Step
Dissipation Factor  0.010
@Frequency 1000 Hz
0.010
@Frequency 1000 Hz
Wet
 0.015
@Frequency 1e+6 Hz
0.015
@Frequency 1e+6 Hz
Wet
Arc Resistance 180 sec180 sec
 
Thermal PropertiesMetricEnglishComments
CTE, linear 15.0 µm/m-°C
@Temperature 20.0 °C
8.33 µin/in-°F
@Temperature 68.0 °F
Deflection Temperature at 1.8 MPa (264 psi) 260 °C500 °FHeat Distortion temperature
Flammability, UL94 V-0
@Thickness 1.60 mm
V-0
@Thickness 0.0630 in
 
Processing PropertiesMetricEnglishComments
Processing Temperature 135 - 165 °C275 - 329 °FMolding temperature

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