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Saint-Gobain Meldin® 7021 Isostatically Molded Graphite Filled Polyimide

Category Polymer , Thermoset , Polyimide, TS
Manufacturer Saint-Gobain Perfomance Plastics
Trade Name Meldin®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Saint-Gobain Meldin® 7021 Isostatically Molded Graphite Filled Polyimide.pdf
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Material Notes:
Melidin® 7021 is a self-lubricating thermosetting polyimide that contains 15% graphite filler. Melidin® 7021 has a low coefficient of friction and high heat resistance, and is best for high temperature bearing, seals, thrust washers, and low-wear applications.Specification Qualifications:Satisfies Type II, Class 1M for ASTM D 6456-99: Standard Specification for Finished Parts Made from Polyimide ResinSatisfies Class 2, Form M for SAE AMS 3644G: Polyimide, Molded Rod, Bar and Tube, Plaque, and Formed PartsSatisfies Type II, Class 1M for MIL-R-46198: Resin, Polyimide, Hot Pressed or Pressed and SinteredInformation provided by Saint-Gobain Performance Plastics
Physical Properties Metric English Comments
Density 1.51 g/cc
0.0546 lb/in³
ASTM D792
Water Absorption 0.20 %

@Time 86400 sec
0.20 %

@Time 24.0 hour
ASTM D570
Mechanical Properties Metric English Comments
Hardness, Rockwell E 50
50
ASTM D785
Tensile Strength 37.9 MPa

@Temperature 260 °C
5500 psi

@Temperature 500 °F
ASTM D638
65.5 MPa

@Temperature 23.0 °C
9500 psi

@Temperature 73.4 °F
ASTM D638
Elongation at Break 4.3 %

@Temperature 260 °C
4.3 %

@Temperature 500 °F
ASTM D638
4.5 %

@Temperature 23.9 °C
4.5 %

@Temperature 75.0 °F
ASTM D638
Flexural Strength 108 MPa
15600 psi
ASTM D790
Flexural Modulus 3.90 GPa
566 ksi
ASTM D790
Compressive Yield Strength 26.2 MPa

@Strain 1.00 %
3800 psi

@Strain 1.00 %
ASTM D695
133 MPa

@Strain 10.0 %
19300 psi

@Strain 10.0 %
ASTM D695
Compressive Modulus 2.30 GPa
334 ksi
ASTM D695
Thermal Properties Metric English Comments
CTE, linear 45.0 µm/m-°C

@Temperature 23.9 - 260 °C
25.0 µin/in-°F

@Temperature 75.0 - 500 °F
ASTM E831
Electrical Properties Metric English Comments
Dielectric Strength 4.09 kV/mm
104 kV/in
ASTM D149
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