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	Original Value	Comments

Density	1.53 g/cc	ASTM D792
Water Absorption	0.23 % @Time 86400 sec	ASTM D570
	0.46 % @Time 173000 sec	ASTM D570

Mechanical Properties	Original Value	Comments
Hardness, Rockwell E	<= 15	ASTM D785
Tensile Strength	4300 psi @Temperature 260 °C	ASTM D638
	5500 psi @Temperature 170 °C	ASTM D638
	6000 psi @Temperature 130 °C	ASTM D638
	7500 psi @Temperature 23.0 °C	ASTM D638
Elongation at Break	2.8 % @Temperature 260 °C	ASTM D638
	4.0 % @Temperature 23.9 °C	ASTM D638
Flexural Strength	6000 psi @Temperature 260 °C	ASTM D790
	11800 psi @Temperature 23.9 °C	ASTM D790
Flexural Modulus	2.10 GPa @Temperature 260 °C	ASTM D790
	3.40 GPa @Temperature 23.9 °C	ASTM D790
Compressive Yield Strength	3500 psi @Strain 1 %	ASTM D695
	14950 psi @Strain 10 %	ASTM D695
Compressive Modulus	2.40 GPa	ASTM D695

Thermal Properties	Original Value	Comments
CTE, linear	24.0 µin/in-°F @Temperature 22.8 - 260 °C	ASTM E831
Thermal Conductivity	5.20 BTU-in/hr-ft²-°F	ASTM F433

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