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Saint-Gobain Meldin® 7021 Direct Formed 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 Direct Formed Graphite Filled Polyimide.pdf
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Material Notes:
Finished parts and basic shapes made from 15% by weight graphite filled polyimide material for applications high wear resistance, good thermal oxidative stability, and high temperature resistance. Applications include: aerospace components, vehicle transmission sealing rings and thrust washers, and ferrules.Specification Qualifications: ASTM D 6456-99 Standard Specification for Finished Parts Made from Polyimide Resin (Type II Class 1D). SAE AMS 3644G Polyimide, Molded Rod, Bar and Tube, Plaque, and Formed Parts (Class 2 Form D). MIL-R-46198 Resin, Polyimide, Hot Pressed or Pressed and Sintered (Type II Class 1D).
Physical Properties Metric English Comments
Specific Gravity 1.42 g/cc
1.42 g/cc
ASTM D792
Deformation 0.14 %
0.14 %
2000 psi load; ASTM D621
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 66.9 MPa
9700 psi
ASTM D638
31.7 MPa

@Temperature 300 °C
4600 psi

@Temperature 572 °F
ASTM D638
34.5 MPa

@Temperature 260 °C
5000 psi

@Temperature 500 °F
ASTM D638
55.1 MPa

@Temperature 110 °C
7990 psi

@Temperature 230 °F
ASTM D638
Elongation at Break 5.5 %
5.5 %
ASTM D638
5.2 %

@Temperature 260 °C
5.2 %

@Temperature 500 °F
ASTM D638
Flexural Strength 89.6 MPa
13000 psi
ASTM D790
51.7 MPa

@Temperature 260 °C
7500 psi

@Temperature 500 °F
ASTM D790
Flexural Modulus 3.10 GPa
450 ksi
ASTM D790
1.80 GPa

@Temperature 260 °C
261 ksi

@Temperature 500 °F
ASTM D790
Compressive Strength 23.4 MPa
3400 psi
1% strain; ASTM D695
105 MPa
15300 psi
10% strain; ASTM D695
Compressive Modulus 2.07 GPa
300 ksi
ASTM D695
Thermal Properties Metric English Comments
CTE, linear 4.50 µm/m-°C

@Temperature 22.8 - 260 °C
2.50 µin/in-°F

@Temperature 73.0 - 500 °F
ASTM E831
Thermal Conductivity 0.432 W/m-K
3.00 BTU-in/hr-ft²-°F
ASTM F433
Maximum Service Temperature, Air 316 °C
600 °F
Minimum Service Temperature, Air -80.0 °C
-112 °F
Flammability, UL94 V-0
V-0
5VA
5VA
Descriptive Properties Value Comments
Color Black
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