Saint-Gobain Meldin® 7022 CM Compression Molded Graphite Filled Polyimide

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Saint-Gobain Meldin® 7022 CM Compression Molded Graphite Filled Polyimide
Categories:	Polymer; Thermoset; Polyimide, TS
Material Notes:	Melidin® 7022 CM is a compression molded polyimide that contains 40% graphite filler. This grade offers additional dimensional stability at elevated temperatures and the lowest CTE of any Meldin® 7000 series polyimide. Specification Qualifications: Satisfies Type II, Class 2P for ASTM D 6456-99: Standard Specification for Finished Parts Made from Polyimide Resin Satisfies Class 3, Form P for SAE AMS 3644G: Polyimide, Molded Rod, Bar and Tube, Plaque, and Formed Parts Satisfies Type II, Class 2P 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	1.65 g/cc	ASTM D792
Water Absorption	0.25 % @Time 86400 sec	ASTM D570
	0.48 % @Time 173000 sec	ASTM D570

Mechanical Properties	Original Value	Comments
Hardness, Rockwell E	5.0 - 20	ASTM D785
Tensile Strength	4500 psi @Temperature 260 °C	ASTM D638
	5500 psi @Temperature 190 °C	ASTM D638
	7000 psi @Temperature 90.0 °C	ASTM D638
	8000 psi @Temperature 23.0 °C	ASTM D638
Elongation at Break	2.4 % @Temperature 260 °C	ASTM D638
	3.0 % @Temperature 23.9 °C	ASTM D638
Flexural Strength	7000 psi @Temperature 260 °C	ASTM D790
	13000 psi @Temperature 23.9 °C	ASTM D790
Flexural Modulus	3.60 GPa @Temperature 260 °C	ASTM D790
	5.20 GPa @Temperature 23.9 °C	ASTM D790
Compressive Yield Strength	4700 psi @Strain 1 %	ASTM D695
	15500 psi @Strain 10 %	ASTM D695
Compressive Modulus	3.30 GPa	ASTM D695

Thermal Properties	Original Value	Comments
CTE, linear	14.0 µin/in-°F @Temperature 22.8 - 260 °C	ASTM E831

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