PI
Polyimide (PI)
Overview: commonly known as polyimide (PI), is an aromatic heterocyclic polymer compound whose molecular structure contains imide based links.Product characteristics: excellent mechanical properties, wear resistance, excellent heat resistance, good radiation resistance, good chemical stability, flame retardant.
Application: aviation, automobile, electronic appliances, industrial machinery, etc.
Color: natural, black.
| Projects | Standard | Unit | Numerical value |
| Density | ASTM D792 | g/cm³ |
1.42 |
| Yield tensile strength | ASTM D638 | Mpa | 90 |
| elongation at break | ASTM D638 | % | 10 |
| bending strength |
ASTM 790 |
Mpa |
110 |
| Flexural modulus |
ASTM 790 |
Mpa |
3000 |
| Rockwell hardness |
ASTM D785 |
48 | |
| Charpy impact strength |
GB 1043 |
KJ/M2 |
80 |
| melting point |
DSC |
℃ |
500 |
| Thermal deformation temperature |
ASTM D648 |
℃ |
330 |
| Long term operating temperature |
- |
℃ |
310 |
| Short term operating temperature |
- |
℃ |
330 |
| Coefficient of linear expansion |
ASTM D696 |
Um/m/K |
55 |
| Dielectric strength |
ASTM D150 |
KV-mm |
100 |
|
dielectric loss coefficient |
ASTM D150 |
- |
0.018 |
|
Bulk resistance |
ASTM D257 |
Ω.cm |
1015 |
|
Surface resistance |
ASTM D257 |
Ω |
1017 |
|
Dielectric constant |
ASTM D149 |
- |
3.5 |
|
Equilibrium water absorption |
23℃ 60%RH |
% |
0.24 |
|
Hot water resistance |
23℃ 60%RH |
|
+ |
|
Combustibility |
UL 94 |
|
V-0 |
|
Friction coefficient |
EEC 90/128 FDA |
|
+ |
|
UV resistant |
- |
|
+ |
Note: 1. "+" can be tolerated, "-" cannot be tolerated, "0" depends on the situation.
2. The above data are obtained from the raw material test data, and the performance of the finished product is not exactly the same, do not guarantee the uniqueness of the data.
BeePlastics has been in the plastics industry for over 20 years and is one of many plastics manufacturers that produce, and process high quality products using PI materials and provide quality plastics solutions to companies around the world. Contact BeePlastics today to learn more about PI materials and our Bee Plastics services.
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