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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	103	ASTM D785
Tensile Strength	156 MPa	ASTM D638
Elongation at Break	2.1 %	ASTM D638
Elongation at Yield	2.7 %	ASTM D638
Flexural Strength	250 MPa	ASTM D790
Flexural Modulus	9.60 GPa	ASTM D790
Compressive Strength	214 MPa	ASTM D695
Izod Impact, Notched	120 J/m
Izod Impact, Unnotched	720 J/m

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+16 ohm-cm	ASTM D257
Dielectric Constant	3.2 @Frequency 1000 Hz	ASTM D149
Dielectric Strength	510 V/mil @Thickness 2.50 mm	ASTM 149

Thermal Properties	Original Value	Comments
CTE, linear	45.0 µm/m-°C @Temperature 23.0 - 143 °C	Below Tg; ASTM E831
	110 µm/m-°C @Temperature >=143 °C	Above Tg; ASTM E831
CTE, linear, Parallel to Flow	18.0 µm/m-°C @Temperature 23.0 - 143 °C	Below Tg; ASTM E831
	18.0 µm/m-°C @Temperature >=143 °C	Above Tg; ASTM E831
Thermal Conductivity	0.420 W/m-K	ASTM F433
Melting Point	343 °C	ASTM D3418
Deflection Temperature at 1.8 MPa (264 psi)	316 °C	ASTM D648
Glass Transition Temp, Tg	143 °C	ASTM D3418

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PSTGQ995 / 108540

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