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Elmet Technologies

GEHR Plastics Noryl PPO
Categories: Polymer; Thermoplastic; Polyphenylene Ether/PPO

Material Notes: PPO belongs to the group of the amorphous materials and can be used in temperatures ranging from -58 °F to +302 °F. PPO exhibits a high impact strength and a very high dimensional stability. The electrical properties will not be influenced by the surrounding frequencies and therefore can be used in a lot of applications in electrical engineering. Main Characteristics: high dimensional stability; low tendency to creep; high thermostability; high impact strength; good electrical characteristics over a far frequency range; high resistance to hydrolysis; self-extinguishing

Information provided by GEHR Plastics, Inc.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.08 g/cc1.08 g/ccASTM D792
Moisture Absorption at Equilibrium 0.070 %0.070 %50% RH; ASTM D570
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 119119ASTM D785
Hardness, Shore D 8686ASTM D2240
Tensile Strength, Yield 63.4 MPa9200 psiASTM D638
Elongation at Break 25 %25 %ASTM D638
Modulus of Elasticity 2.55 GPa370 ksiASTM D790
Flexural Strength 99.3 MPa14400 psiASTM D638
Izod Impact, Notched 1.87 J/cm3.50 ft-lb/inASTM D256
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+13 ohm-cm1.00e+13 ohm-cmASTM D257
Surface Resistance 1.00e+13 ohm1.00e+13 ohm
Dielectric Strength 19.7 kV/mm500 kV/inASTM D149
 
Thermal PropertiesMetricEnglishComments
CTE, linear 59.4 µm/m-°C33.0 µin/in-°FASTM D696
Maximum Service Temperature, Air 105 °C221 °FUL 746B
Deflection Temperature at 1.8 MPa (264 psi) 123 °C254 °FASTM D648
Flammability, UL94 V-1V-1UL 94
 
Compliance PropertiesMetricEnglishComments
FDA NoNoPhysiological indifference
 
Descriptive Properties
Acid ResistanceYes
Aromatic ResistanceNo
Bondabilityyes
CKW ResistanceNo
Hydrocarbonate ResistanceLimited
Hydroxide ResistanceYes
Ketone ResistanceNo
Physiological indifferenceno, NSF
Resistance to Hot WaterYes
UV Stabilizationlimited

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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