Saint-Gobain Meldin® 7211 DF Direct Formed Graphite and PTFE Filled Polyimide

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Saint-Gobain Meldin® 7211 DF Direct Formed Graphite and PTFE Filled Polyimide
Categories:	Polymer; Thermoset; Polyimide, TS
Material Notes:	Melidin® 7211 DF is a direct formed 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 3D for ASTM D 6456-99: Standard Specification for Finished Parts Made from Polyimide Resin Satisfies Class 4, Form D for SAE AMS 3644G: Polyimide, Molded Rod, Bar and Tube, Plaque, and Formed Parts Satisfies Type II, Class 3D 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	1.45 g/cc	0.0524 lb/in³	ASTM D792
Deformation	0.20 %	0.20 %	2000 psi load; ASTM D621
	<= 0.0020 % @Temperature 260 °C	<= 0.0020 % @Temperature 500 °F	ASTM D621

Mechanical Properties	Metric	English	Comments
Tensile Strength	29.6 MPa @Temperature 260 °C	4300 psi @Temperature 500 °F	ASTM D638
	55.2 MPa @Temperature 23.0 °C	8000 psi @Temperature 73.4 °F	ASTM D638
Elongation at Break	5.1 % @Temperature 260 °C	5.1 % @Temperature 500 °F	ASTM D638
	5.4 % @Temperature 23.9 °C	5.4 % @Temperature 75.0 °F	ASTM D638
Flexural Strength	41.4 MPa @Temperature 260 °C	6000 psi @Temperature 500 °F	ASTM D790
	75.8 MPa @Temperature 23.9 °C	11000 psi @Temperature 75.0 °F	ASTM D790
Flexural Modulus	1.90 GPa @Temperature 260 °C	276 ksi @Temperature 500 °F	ASTM D790
	2.70 GPa @Temperature 23.9 °C	392 ksi @Temperature 75.0 °F	ASTM D790
Compressive Yield Strength	15.9 MPa @Strain 1 %	2300 psi @Strain 1 %	ASTM D695
	77.2 MPa @Strain 10 %	11200 psi @Strain 10 %	ASTM D695
Compressive Modulus	1.70 GPa	247 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

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