Saint-Gobain Meldin® 7211 CM Compression Molded Graphite and PTFE Filled Polyimide

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Saint-Gobain Meldin® 7211 CM Compression Molded Graphite and PTFE Filled Polyimide
Categories:	Polymer; Thermoset; Polyimide, TS
Material Notes:	Melidin® 7211 CM is a compression molded polyimide that contains 15% graphite and 10% PTFE fillers. This grade has the lowest coefficient of friction of the Meldin® 7000 series polyimides. Specification Qualifications: Satisfies Type II, Class 3P for ASTM D 6456-99: Standard Specification for Finished Parts Made from Polyimide Resin Satisfies Class 4, Form P for SAE AMS 3644G: Polyimide, Molded Rod, Bar and Tube, Plaque, and Formed Parts Satisfies Type II, Class 3P for MIL-R-46198: Resin, Polyimide, Hot Pressed or Pressed and Sintered Information provided by Saint-Gobain Performance Plastics
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Physical Properties	Metric	English	Comments

Density	1.53 g/cc	0.0553 lb/in³	ASTM D792
Water Absorption	0.23 % @Time 86400 sec	0.23 % @Time 24.0 hour	ASTM D570
	0.46 % @Time 173000 sec	0.46 % @Time 48.0 hour	ASTM D570

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell E	<= 15	<= 15	ASTM D785
Tensile Strength	29.6 MPa @Temperature 260 °C	4300 psi @Temperature 500 °F	ASTM D638
	37.9 MPa @Temperature 170 °C	5500 psi @Temperature 338 °F	ASTM D638
	41.4 MPa @Temperature 130 °C	6000 psi @Temperature 266 °F	ASTM D638
	51.7 MPa @Temperature 23.0 °C	7500 psi @Temperature 73.4 °F	ASTM D638
Elongation at Break	2.8 % @Temperature 260 °C	2.8 % @Temperature 500 °F	ASTM D638
	4.0 % @Temperature 23.9 °C	4.0 % @Temperature 75.0 °F	ASTM D638
Flexural Strength	41.4 MPa @Temperature 260 °C	6000 psi @Temperature 500 °F	ASTM D790
	81.4 MPa @Temperature 23.9 °C	11800 psi @Temperature 75.0 °F	ASTM D790
Flexural Modulus	2.10 GPa @Temperature 260 °C	305 ksi @Temperature 500 °F	ASTM D790
	3.40 GPa @Temperature 23.9 °C	493 ksi @Temperature 75.0 °F	ASTM D790
Compressive Yield Strength	24.1 MPa @Strain 1 %	3500 psi @Strain 1 %	ASTM D695
	103.1 MPa @Strain 10 %	14950 psi @Strain 10 %	ASTM D695
Compressive Modulus	2.40 GPa	348 ksi	ASTM D695

Thermal Properties	Metric	English	Comments
CTE, linear	43.2 µm/m-°C @Temperature 22.8 - 260 °C	24.0 µin/in-°F @Temperature 73.0 - 500 °F	ASTM E831
Thermal Conductivity	0.749 W/m-K	5.20 BTU-in/hr-ft²-°F	ASTM F433

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