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Ensinger SPI

Polymer Resources PEI-GP1 Polyetherimide, Flame Retardant
Categories: Polymer; Thermoplastic; Polyetherimide (PEI)

Material Notes: Polyetherimide, Flame Retardant, High Heat Resistance

Process: Injection Molding
Notes: All physical, mechanical and thermal testing conducted on 1/8-inch thick, un-pigmented, test samples.

Information provided by Polymer Resources Corporation.

Key Words: UL E113219
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.27 g/cc1.27 g/ccASTM D792
Water Absorption 0.25 %
@Time 86400 sec
0.25 %
@Time 24.0 hour
ASTM D570
Moisture Absorption at Equilibrium 1.3 %1.3 %ASTM D570
Linear Mold Shrinkage 0.0050 - 0.0070 cm/cm0.0050 - 0.0070 in/inASTM D955
Melt Flow 6.0 - 22 g/10 min
@Load 6.70 kg,
Temperature 337 °C
6.0 - 22 g/10 min
@Load 14.8 lb,
Temperature 639 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 109109ASTM D785
Tensile Strength at Break 103 MPa15000 psiASTM D638
Tensile Strength, Yield 103 MPa15000 psiASTM D638
Elongation at Break 60 %60 %ASTM D638
Elongation at Yield 7.0 %7.0 %ASTM D638
Tensile Modulus 3.52 GPa510 ksiASTM D638
Flexural Strength 145 MPa21000 psiASTM D790
Flexural Modulus 3.24 GPa470 ksiASTM D790
Poissons Ratio 0.360.36ASTM D638
Izod Impact, Notched 0.534 J/cm
@Temperature 22.8 °C
1.00 ft-lb/in
@Temperature 73.0 °F
ASTM D256
Izod Impact, Unnotched 13.3 J/cm
@Temperature 22.8 °C
25.0 ft-lb/in
@Temperature 73.0 °F
ASTM D4812
Gardner Impact 2.26 J1.67 ft-lbASTM D3029
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+17 ohm-cm1.00e+17 ohm-cmASTM D257
Dielectric Constant  3.15
@Frequency 100 Hz
3.15
@Frequency 100 Hz
ASTM D150
 3.15
@Frequency 1000 Hz
3.15
@Frequency 1000 Hz
ASTM D150
Dielectric Strength  19.7 kV/mm
@Thickness 3.17 mm
500 kV/in
@Thickness 0.125 in
in oil; ASTM D149
 27.6 kV/mm
@Thickness 1.59 mm
700 kV/in
@Thickness 0.0625 in
in oil; ASTM D149
 32.3 kV/mm
@Thickness 1.59 mm
820 kV/in
@Thickness 0.0625 in
in air; ASTM D149
Dissipation Factor  0.0012
@Frequency 1000 Hz
0.0012
@Frequency 1000 Hz
ASTM D150
 0.0015
@Frequency 100 Hz
0.0015
@Frequency 100 Hz
ASTM D150
 0.0025
@Frequency 2.00e+9 Hz
0.0025
@Frequency 2.00e+9 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 55.8 µm/m-°C
@Temperature -20.0 - 150 °C
31.0 µin/in-°F
@Temperature -4.00 - 302 °F
ASTM E831
CTE, linear, Transverse to Flow 54.0 µm/m-°C
@Temperature -20.0 - 150 °C
30.0 µin/in-°F
@Temperature -4.00 - 302 °F
ASTM E831
Deflection Temperature at 0.46 MPa (66 psi) 204 °C400 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 196 °C385 °FASTM D648
Vicat Softening Point 218 °C425 °F120°C/h, 50 N; ASTM D1525
UL RTI, Electrical  105 °C
@Thickness 1.50 mm
221 °F
@Thickness 0.0591 in
UL 746
 105 °C
@Thickness 3.00 mm
221 °F
@Thickness 0.118 in
UL 746
UL RTI, Mechanical with Impact  105 °C
@Thickness 1.50 mm
221 °F
@Thickness 0.0591 in
UL 746
 105 °C
@Thickness 3.00 mm
221 °F
@Thickness 0.118 in
UL 746
UL RTI, Mechanical without Impact  105 °C
@Thickness 1.50 mm
221 °F
@Thickness 0.0591 in
UL 746
 105 °C
@Thickness 3.00 mm
221 °F
@Thickness 0.118 in
UL 746
Flammability, UL94  V-0
@Thickness 1.50 mm
V-0
@Thickness 0.0591 in
 V-0
@Thickness 3.00 mm
V-0
@Thickness 0.118 in
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 332 - 399 °C630 - 750 °F
Middle Barrel Temperature 338 - 399 °C640 - 750 °F
Front Barrel Temperature 343 - 399 °C650 - 750 °F
Melt Temperature 338 - 399 °C640 - 750 °F
Mold Temperature 107 - 177 °C225 - 350 °F
Drying Temperature 143 - 149 °C290 - 300 °F
Dry Time 3.00 - 4.00 hour3.00 - 4.00 hour
Vent Depth 0.00254 cm0.00100 in

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