Saint-Gobain Meldin® 7022 DF Direct Formed Graphite Filled Polyimide

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Saint-Gobain Meldin® 7022 DF Direct Formed Graphite Filled Polyimide
Categories:	Polymer; Thermoset; Polyimide, TS
Material Notes:	Melidin® 7022 DF is a direct formed 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 2D for ASTM D 6456-99: Standard Specification for Finished Parts Made from Polyimide Resin Satisfies Class 3, Form D for SAE AMS 3644G: Polyimide, Molded Rod, Bar and Tube, Plaque, and Formed Parts Satisfies Type II, Class 2D 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	1.56 g/cc	0.0564 lb/in³	ASTM D792
Deformation	0.15 %	0.15 %	2000 psi load; ASTM D621
	<= 0.0020 % @Temperature 260 °C	<= 0.0020 % @Temperature 500 °F	ASTM D621

Mechanical Properties	Metric	English	Comments
Tensile Strength	27.6 MPa @Temperature 260 °C	4000 psi @Temperature 500 °F	ASTM D638
	49.6 MPa @Temperature 23.0 °C	7200 psi @Temperature 73.4 °F	ASTM D638
Elongation at Break	3.0 % @Temperature 23.9 °C	3.0 % @Temperature 75.0 °F	ASTM D638
	3.0 % @Temperature 260 °C	3.0 % @Temperature 500 °F	ASTM D638
Flexural Strength	41.4 MPa @Temperature 260 °C	6000 psi @Temperature 500 °F	ASTM D790
	72.4 MPa @Temperature 23.9 °C	10500 psi @Temperature 75.0 °F	ASTM D790
Flexural Modulus	2.60 GPa @Temperature 260 °C	377 ksi @Temperature 500 °F	ASTM D790
	4.50 GPa @Temperature 23.9 °C	653 ksi @Temperature 75.0 °F	ASTM D790
Compressive Yield Strength	22.8 MPa @Strain 1 %	3300 psi @Strain 1 %	ASTM D695
	96.5 MPa @Strain 10 %	14000 psi @Strain 10 %	ASTM D695
Compressive Modulus	2.00 GPa	290 ksi	ASTM D695

Thermal Properties	Metric	English	Comments
CTE, linear	19.8 µm/m-°C @Temperature 22.8 - 260 °C	11.0 µin/in-°F @Temperature 73.0 - 500 °F	ASTM E831

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PSTGQZ085 / 150623

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