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Meldin Supplier

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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 PropertiesOriginal ValueComments
Specific Gravity 1.44 g/ccASTM D792
Water Absorption 0.21 %
@Temperature 23.0 °C,
Time 86400 sec
ASTM D570
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 23.0 MPa
@Temperature 204 °C
ASTM D 638
 38.0 MPa
@Temperature 149 °C
ASTM D 638
 86.0 MPa
@Temperature 25.0 °C
ASTM D 638
Elongation at Break 4.5 %ASTM D 638
Flexural Strength 112 MPaASTM D 790
Compressive Strength 23.0 MPa
@Temperature 204 °C
ASTM D 695
 31.0 MPa
@Temperature 149 °C
ASTM D 695
 93.0 MPa
@Temperature 23.0 °C
ASTM D 695
Coefficient of Friction, Dynamic 0.30 - 0.35Dry; ASTM D3702
 
Thermal PropertiesOriginal ValueComments
CTE, linear 3.40 µm/m-°CAlong Flow; ASTM E831-93
Melting Point 316 °CASTM D3418
Deflection Temperature at 1.8 MPa (264 psi) 232 °CASTM D648
Glass Transition Temp, Tg 90.0 °CASTM D3418

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