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Ensinger SPI

Ensinger NORYL® Polyphenylene oxide (PPO)
Categories: Polymer; Thermoplastic; Polyphenylene Ether/PPO

Material Notes: NORYL®, due to its inherent chemical composition, exhibits unusually low moisture absorption. Therefore, good electrical insulating properties are realized over a wide range of humidity and temperature conditions. Chemical attack from water, most salt solution, acids and bases is also minimal with NORYL®. The addition of glass fiber reinforcement enhances both the mechanical and thermal properties of the basic NORYL® material.

  • Good electrical insulating properties (Due to its extremely low water absorption with values as low as 0.07%, NORYL® is an excellent electrcial insulating material
  • Long-term dimensional stability
  • Superior impact strength (NORYL® exhibits a continuous use temperature in excess of 220°
  • Wide ranger of UL flammability ratings from UL94 HB to UL94 V-1
  • FDA compliance for certain grades
  • Light weight (NORYL®, with a density of 0.0383 lbs/in3, can be used in applications where weight is a significant consideration)
  • Thermoformable capability
  • Possesses good hydrolytic stability

Information Provided by Ensinger Industries, Inc.

Vendors: Ensinger High Performance Plastics withstand severe environments, resist harsh chemicals, and perform well in extreme temperatures. They offer weight savings that have potential to drive lower cost systems.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.08 g/cc1.08 g/ccASTM D792
Density 1.06 g/cc0.0383 lb/in³ASTM D792
Water Absorption 0.070 %
@Temperature 22.8 °C,
Time 86400 sec
0.070 %
@Temperature 73.0 °F,
Time 24.0 hour
ASTM D570
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 119119ASTM D785
Tensile Strength at Break 63.4 MPa
@Temperature 22.8 °C
9200 psi
@Temperature 73.0 °F
ASTM D638
Elongation at Break 25 %
@Temperature 22.8 °C
25 %
@Temperature 73.0 °F
ASTM D638
Tensile Modulus 2.41 GPa
@Temperature 22.8 °C
350 ksi
@Temperature 73.0 °F
ASTM D638
Flexural Strength 92.4 MPa
@Temperature 22.8 °C
13400 psi
@Temperature 73.0 °F
ASTM D790
Flexural Modulus 2.55 GPa
@Temperature 22.8 °C
370 ksi
@Temperature 73.0 °F
ASTM D790
Izod Impact, Notched 1.87 J/cm
@Temperature 22.8 °C
3.50 ft-lb/in
@Temperature 73.0 °F
ASTM D256
Coefficient of Friction, Dynamic 0.39
@Pressure 0.276 MPa
0.39
@Pressure 40.0 psi
50 fpm
Coefficient of Friction, Static 0.32
@Pressure 0.276 MPa
0.32
@Pressure 40.0 psi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+17 ohm-cm
@Temperature 22.8 °C
1.00e+17 ohm-cm
@Temperature 73.0 °F
ASTM D257
Dielectric Constant 2.7
@Frequency 60 Hz,
Temperature 22.8 °C
2.7
@Frequency 60 Hz,
Temperature 73.0 °F
50% RH; ASTM D150
Dielectric Strength 19.7 kV/mm500 kV/inASTM D149
Dissipation Factor 0.00070
@Frequency 60 Hz,
Temperature 22.8 °C
0.00070
@Frequency 60 Hz,
Temperature 73.0 °F
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 59.4 µm/m-°C
@Temperature -17.8 - 60.0 °C
33.0 µin/in-°F
@Temperature 0.000 - 140 °F
ASTM D696
Maximum Service Temperature, Air 104 °C220 °FLong Term
 110 °C230 °FIntermittent
Deflection Temperature at 0.46 MPa (66 psi) 137 °C279 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 123 °C254 °FASTM D648
Vicat Softening Point 154 °C310 °F
Flammability, UL94 V-1V-1

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