


1Characteristics and advantages of ultra-high temperature polyimide (PI) polymer
◆ High temperature resistance ◆ Wear resistance
◆Anti deformation◆Electrical insulation
◆Plasma, radiation◆Ultra low air release in vacuum
◆Excellent machining performance◆Chemical resistance, resistance to lubricating grease, oil, and solvents
2Application fields of ultra-high temperature polyimide (PI) polymer
It has been widely used in fields such as automobiles, semiconductors, office equipment, electronic and electrical equipment, scientific instruments, hot runners, petrochemical equipment, general machinery, textile machinery, laser printing, medical equipment, etc.
◆ Mold hot runner insulation board, insulation ring |
◆ Piston rings, valve seats |
◆ Chip testing box |
◆ Copier separation claw |
◆ Laser embossing roller |
Semiconductor chip suction nozzle |
Semiconductor industry fixtures and jigs |
Gas chromatography sealing ring |
◆ Rolling, sliding, and thrust washers |
◆ Plasma cutting torch vortex ring |
◆ Gears |
◆ Automotive engine gasket |
Glass industry bracket |
◆ Microwave components |
3Performance Table of Ultra High Temperature Polyimide (PI) Polymer
Test Item |
Testing Standard |
unit |
JHPI-10 |
JHPI-20 |
JHPI-30 |
YS-20 |
JHTPI |
density |
GB/T 1033 |
g/cm3 |
1.41 |
1.38 |
1.40-1.45 |
1.35-1.4 |
1.38 |
tensile strength |
GB/T 1040 |
Mpa |
≧80 |
≧130 |
≧40 |
≧130 |
≧85 |
Elongation at break |
GB/T 1040 |
% |
≧7.0 |
≧8.0 |
≧3.5 |
≧7.0 |
≧7.0 |
bending strength |
GB/T 9341 |
Mpa |
≧100 |
≧180 |
—— |
≧131 |
≧110 |
compressive strength |
GB/T 1041 |
Mpa |
≧110 |
≧160 |
≧150 |
≧150 |
≧110 |
impact strength |
GB/T 1043 |
kj/㎡ |
40 |
≧150 |
≧12 |
≧170 |
NB |
glass transition temperature |
GB/T 19466 |
℃ |
—— |
364 |
330 |
—— |
230℃ |
Heat Deflection Temperature |
GB/T 1643 |
℃ |
350 |
340 |
—— |
239 |
250℃ |
dielectric constant |
GB/T 1409 |
—— |
—— |
3.7 |
3.4 |
3 |
—— |
4JHPI-10: High temperature resistance grade, long-term use temperature of 350-380 degrees Celsius

Disadvantages: Relatively brittle, suitable for thin-walled and impact products
5JHPI-20: Long term use temperature of 350 degrees Celsius, instantaneous temperature reaching above 400 degrees Celsius

The long-term use temperature is 350 degrees Celsius, and the instantaneous temperature reaches over 400 degrees Celsius. It has excellent processing performance, toughness, and rigidity, and has strong mechanical properties.
6JHPI-30: Long term use temperature of 300 degrees Celsius

7YS-20: High transparency PI, long-term use temperature of 220 degrees Celsius, high temperature resistant insulation components, wear-resistant gaskets, washers, etc

8Ultra high temperature polyimide (PI) polymer
High temperature resistant polyimide super engineering plastics have many excellent properties that other engineering plastics do not have: high temperature resistance, low temperature resistance, corrosion resistance, self-lubricating, low wear, excellent mechanical properties, good dimensional stability, low coefficient of thermal expansion, high insulation, low thermal conductivity, non melting, non rusting, and can replace metals, ceramics, polytetrafluoroethylene, and engineering plastics in many cases. They are widely used in the fields of petrochemicals, mining machinery, precision machinery, automotive industry, microelectronics equipment, medical devices, etc., and have a good cost performance ratio. Widely used in aviation, aerospace, microelectronics, nanotechnology, liquid crystals, separation membranes, lasers and other fields.
Components with low friction coefficient and wear resistance under high-speed and high-pressure conditions
Components with excellent resistance to creep or plastic deformation
Components with excellent self-lubricating or oil lubrication performance
Liquid sealing components under high temperature and high pressure
Components with high resistance to bending, stretching, and impact
Corrosion resistant, radiation resistant, and rust resistant components
Components with long-term use temperature exceeding 300 ℃ and short-term use temperature reaching 400-450 ℃
Typical applications include:
(1) Components with low friction coefficient and wear resistance under high speed and high pressure;
(2) Components with excellent resistance to creep or plastic deformation;
(3) Components with excellent self-lubricating or oil lubrication performance;
(4) Liquid sealed components under high temperature and high pressure;
(5) Components with high resistance to bending, stretching, and impact;
(6) Components that are corrosion-resistant, radiation resistant, and rust resistant;
(7) Components with long-term use temperature exceeding 300 ℃ and short-term use temperature reaching 400-450 ℃;
(8) High temperature resistant (over 260 ℃) structural adhesives (for modified epoxy resins, modified phenolic resins, modified organic silicone adhesives, etc. with a temperature resistance not exceeding 260 ℃);
(9) Used for microelectronic packaging, stress buffering protective coatings, interlayer insulation of multi-layer interconnect structures, dielectric films, chip surface passivation, etc.