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Meldin Supplier

Saint-Gobain Meldin® 1357 Thermoplastic Bearing Material
Categories: Polymer; Thermoplastic; Polyphenylene Sulfide (PPS)

Material Notes: Meldin 1357 offers the lowest wear rate and coefficient of friction, which makes it the best candidate for tribological applications. In addition, its self-lubricating properties allow it to operate quietly in dry operating environments.

Meldin® 1000 series components are used in appliance applications due to their superior wear life and ability to operate without the need for any oils or lubricants. For scroll tip seal applications, Meldin® 1000 series materials provide some parts with superior wear resistance properties, and superior deformation properties over those of standard PTFE scroll tip seals. In vehicle systems such as transmission bearings or thrust washers, as well as fuel pump bearings, Meldin® 1000 series materials provide performance superior to metallic components. The Meldin 1000 series materials' wear resistance, coupled with their excellent chemical resistance, make them ideal materials for vehicle system components.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.44 g/cc1.44 g/ccASTM D792
Water Absorption 0.21 %
@Temperature 23.0 °C,
Time 86400 sec
0.21 %
@Temperature 73.4 °F,
Time 24.0 hour
ASTM D570
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength  23.0 MPa
@Temperature 204 °C
3340 psi
@Temperature 399 °F
ASTM D 638
 38.0 MPa
@Temperature 149 °C
5510 psi
@Temperature 300 °F
ASTM D 638
 86.0 MPa
@Temperature 25.0 °C
12500 psi
@Temperature 77.0 °F
ASTM D 638
Elongation at Break 4.5 %4.5 %ASTM D 638
Flexural Strength 112 MPa16200 psiASTM D 790
Compressive Strength  23.0 MPa
@Temperature 204 °C
3340 psi
@Temperature 399 °F
ASTM D 695
 31.0 MPa
@Temperature 149 °C
4500 psi
@Temperature 300 °F
ASTM D 695
 93.0 MPa
@Temperature 23.0 °C
13500 psi
@Temperature 73.4 °F
ASTM D 695
Coefficient of Friction, Dynamic 0.30 - 0.350.30 - 0.35Dry; ASTM D3702
 
Thermal PropertiesMetricEnglishComments
CTE, linear 3.40 µm/m-°C1.89 µin/in-°FAlong Flow; ASTM E831-93
Melting Point 316 °C601 °FASTM D3418
Deflection Temperature at 1.8 MPa (264 psi) 232 °C450 °FASTM D648
Glass Transition Temp, Tg 90.0 °C194 °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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