Saint-Gobain Meldin® 5320 Thermoplastic Bearing Material

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Saint-Gobain Meldin® 5320 Thermoplastic Bearing Material
Categories:	Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK)
Material Notes:	General Notes on Meldin 3000/5000 Series Bearing Products: Injection Moldable, High-Performance Bearings. Can withstand environments of high temperature, corrosive, and water. Specific Notes on Meldin® 5230 Bearing Meldin 5320 components supply substantial strength and rigidity. They maintain high tensile, flexural, and compressive properties, even at elevated temperatures. Applications include:Compressor Valve Plates and Valve Rings, Transmission Thrust Washers and Rings, and Vanes for Air Motors and Pumps Information provided by Saint Gobain Performance Products.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.51 g/cc	1.51 g/cc	ASTM D792
Water Absorption	0.11 %	0.11 %	ASTM D570

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	103	103	ASTM D785
Tensile Strength	156 MPa	22600 psi	ASTM D638
Elongation at Break	2.1 %	2.1 %	ASTM D638
Elongation at Yield	2.7 %	2.7 %	ASTM D638
Flexural Strength	250 MPa	36300 psi	ASTM D790
Flexural Modulus	9.60 GPa	1390 ksi	ASTM D790
Compressive Strength	214 MPa	31000 psi	ASTM D695
Izod Impact, Notched	1.20 J/cm	2.25 ft-lb/in
Izod Impact, Unnotched	7.20 J/cm	13.5 ft-lb/in

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+16 ohm-cm	1.00e+16 ohm-cm	ASTM D257
Dielectric Constant	3.2 @Frequency 1000 Hz	3.2 @Frequency 1000 Hz	ASTM D149
Dielectric Strength	20.1 kV/mm @Thickness 2.50 mm	510 kV/in @Thickness 0.0984 in	ASTM 149

Thermal Properties	Metric	English	Comments
CTE, linear	45.0 µm/m-°C @Temperature 23.0 - 143 °C	25.0 µin/in-°F @Temperature 73.4 - 289 °F	Below Tg; ASTM E831
	110 µm/m-°C @Temperature >=143 °C	61.1 µin/in-°F @Temperature >=289 °F	Above Tg; ASTM E831
CTE, linear, Parallel to Flow	18.0 µm/m-°C @Temperature 23.0 - 143 °C	10.0 µin/in-°F @Temperature 73.4 - 289 °F	Below Tg; ASTM E831
	18.0 µm/m-°C @Temperature >=143 °C	10.0 µin/in-°F @Temperature >=289 °F	Above Tg; ASTM E831
Thermal Conductivity	0.420 W/m-K	2.91 BTU-in/hr-ft²-°F	ASTM F433
Melting Point	343 °C	649 °F	ASTM D3418
Deflection Temperature at 1.8 MPa (264 psi)	316 °C	601 °F	ASTM D648
Glass Transition Temp, Tg	143 °C	289 °F	ASTM 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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PSTGQ995 / 108540

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