A-PI-350-21 Modified polyimide
A-PI-350-21 is a modified polyimide resin with advantages such as high heat resistance, high mechanical strength, low water absorption, low friction coefficient under extremely high PV value, and good machining performance.
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Product Applications
Used for manufacturing insulation gaskets, valve seat inserts, bushings, piston rings, seals, etc. The product is widely used in fields such as aerospace, petroleum industry, and general industry.
Aerospace
Petroleum Industry
General Industry
Performance Data
Key mechanical and physical properties are shown for both thermoforming and cold forming, with competitor comparison where available.
|
Test Features |
Test Method |
Unit |
Test Conditions |
Results (Thermoforming) |
Results (Cold forming) |
Competitor1 (Thermoforming) |
|---|---|---|---|---|---|---|
|
Rockwell Hardness |
GB/T 3398.2-2008 |
HRE |
23°C |
35 |
5 |
32 |
|
Impact strength of unnotched simply supported beams |
GB/T 1043.1-2008 |
kJ/m² |
23°C |
80 |
25 |
/ |
|
Flexural Strength |
GB/T 9341-2008 |
MPa |
23°C 260°C |
137 66 |
65 38 |
110 62 |
|
Flexural Modulus |
GB/T 9341-2008 |
MPa |
23°C 260°C |
4171 2384 |
2822 1506 |
3792 2551 |
|
Tensile Strength |
GB/T 1040.1-2018 |
MPa |
23°C 260°C |
92 42 |
45 24 |
66 38 |
|
Elongation at break |
GB/T 1040.1-2018 |
% |
23°C 260°C |
9.2 10.8 |
3.8 4.9 |
4.5 3 |
|
Compressive Strength |
GB/T 1041-2008 |
MPa |
1% Deformation 10% Deformation |
33 159 |
25 95 |
29 133 |
|
Shear Strength |
HG/T 3839-2006 |
MPa |
23°C |
79 |
/ |
77 |
|
Poisson's ratio |
ASTM D638-10 |
/ |
23°C |
0.35 |
/ |
0.41 |
|
Density |
GB/T 4472-2011 |
g/cm³ |
23°C |
1.5 |
1.35 |
/ |
|
Friction coefficient |
GB/T 3960-2016 |
/ |
2h |
0.19 |
0.2 |
0.24 |
|
Mass of wear |
GB/T 3960-2016 |
mg |
2h |
1.3 |
5.8 |
/ |
|
Absorption |
GB/T 1034-2008 |
% |
24h 48h |
0.09 0.13 |
2.14 2.32 |
0.19 0.57 |
The above data are product sample measurement values, not guaranteed values; All products are formed by compression, with a certain degree of directionality.