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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  |
| Price | EMAIL US sales@lookpolymers.com |
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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