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Meldin Supplier

Saint-Gobain Meldin® 4310 Molded Wear Grade Polyamide-Imide
Categories: Polymer; Thermoplastic; Polyamide-imide (PAI)

Material Notes: Wear grade used mostly for seal rings but also for washers and bearings.

All 4000 series compounds have common properties that make them suitable replacements for metal components: they are stiff and retain high mechanical strength at elevated temperatures; they are very durable even in harsh applications in regards to wear; and they are chemically compatible with all automotive fluids (fuels and oils).

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Physical PropertiesMetricEnglishComments
Density 1.46 g/cc0.0527 lb/in³ASTM D792
Water Absorption 0.28 %
@Temperature 23.0 °C,
Time 86400 sec
0.28 %
@Temperature 73.4 °F,
Time 24.0 hour
ASTM D570
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength  75.0 MPa
@Temperature 204 °C
10900 psi
@Temperature 399 °F
ASTM D638
 90.0 MPa
@Temperature 150 °C
13100 psi
@Temperature 302 °F
ASTM D638
 95.0 MPa
@Temperature 100 °C
13800 psi
@Temperature 212 °F
ASTM D638
 113 MPa
@Temperature 23.0 °C
16400 psi
@Temperature 73.4 °F
ASTM D638
Elongation at Break 3.3 %3.3 %ASTM D638
Tensile Modulus 6.80 GPa986 ksiASTM D638
Flexural Strength  113 MPa
@Temperature 235 °C
16400 psi
@Temperature 455 °F
ASTM D790
 215 MPa
@Temperature 23.0 °C
31200 psi
@Temperature 73.4 °F
ASTM D790
Flexural Modulus 6.90 GPa1000 ksiASTM D790
Compressive Strength 170 MPa
@Temperature 23.0 °C
24700 psi
@Temperature 73.4 °F
ASTM D695
Compressive Modulus 5.30 GPa769 ksiASTM D695
Izod Impact, Unnotched 4.00 J/cm7.49 ft-lb/in
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 8.00e+15 ohm-cm8.00e+15 ohm-cmASTM D257
Dielectric Constant 6.0
@Frequency 1000 Hz
6.0
@Frequency 1000 Hz
ASTM D149
 
Thermal PropertiesMetricEnglishComments
CTE, linear 25.0 µm/m-°C
@Temperature 20.0 - 280 °C
13.9 µin/in-°F
@Temperature 68.0 - 536 °F
ASTM D696
Thermal Conductivity 0.540 W/m-K3.75 BTU-in/hr-ft²-°FASTM C177
Melting Point 371 °C700 °FASTM D3418
Deflection Temperature at 1.8 MPa (264 psi) 279 °C534 °FASTM D648
Glass Transition Temp, Tg 280 °C536 °FASTM D3418

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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