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Features & Advantages of PI
Ultra-high temperature polyimide (PI) polymer characteristics and advantages
UL certified for long-term use at 260℃; maintains strength even at 300℃.
Excellent durability under high temp, heavy load and corrosive conditions.
Low friction — works oil-free and in oil, water, steam, mild acids/alkalis.
Insoluble in common solvents; resists organic and inorganic chemicals.
Superior mechanical strength, rigidity and surface hardness.
Supports injection molding, machining, bonding and ultrasonic welding.
Works for thousands of hours in steam above 250℃ or pressurized water.
UL94 V-0 at 1.45 mm thickness without additives.
Produces very low smoke and toxic gases when burned.
Stable electrical performance across wide temp/frequency ranges.
Retains mechanical properties under high-dose gamma radiation.
Excellent dimensional stability under demanding conditions.
PI Properties Table
Ultra-high temperature polyimide (PI) polymer performance table
| Test Item | Test Standard | Unit | JHPI-10 | JHPI-10-21 | JHPI-10-22 | JHPI-HT | JHPI-YS | JSJHTPI-01 | JSJHTPI-02 |
| Density | ISO 1183 | g/cm3 | 1.40 | 1.43 | 1.7 | 1.4 | 1.36 | 1.32 | 1.36 |
| Tensile Strength | ISO 527 | Mpa | 96 | 90 | 60 | 92 | 121 | 90 | 97 |
| Elongation at Break | ISO 527 | % | 10 | 5 | 2.5 | 8 | 13 | 8 | 8 |
| Flexural Strength | ISO 178 | Mpa | 148 | 126 | 90 | 140 | 171 | 130 | 138 |
| Charpy Impact Strength | ISO 179 | MPa | 90 | 135 | 13 | 88 | No Break | 100 | No Break |
| Heat Deflection Temperature | ISO 75-1/-2 | ℃ | 300 | 300 | 300 | 320 | 255 | 230 | 250 |
| Continuous Service Temp. | UL746B | ℃ | 350 | 350 | 350 | 380 | 250 | 250 | 250 |
High-Performance Polyimide (PI) Solutions
Discover the versatile applications of high-temperature polyimide (PI) polymer, a material engineered for extreme environments and superior performance.
Key Characteristics & Applications
High-temperature polyimide is a high-performance polymer widely used across various industries, including automotive, semiconductors, electronics, and more. Its exceptional properties make it a go-to material for demanding applications.
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Low friction and wear-resistant components under high speed and pressure.
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Excellent creep or plastic deformation resistance.
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Superb self-lubricating or oil-lubricating properties.
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Liquid sealing components for high-temperature and high-pressure environments.
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High bending, tensile, and impact strength.
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Corrosion, radiation, and rust-resistant components.
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Components for long-term use at temperatures above 300°C, with short-term resistance up to 400-450°C.
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High-temperature structural adhesives for extreme conditions.
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Microelectronics applications including stress-buffering coatings and dielectric films.
Typical Products
- Mold hot runner insulation plates and rings
- Piston rings, valve seats
- Chip test sockets
- Copier separation claws
- Laser imprinting rollers
- Semiconductor chip nozzles
- Semiconductor industry fixtures and jigs
- Gas chromatography seals
- Rolling, sliding, and thrust washers
- Plasma torch vortex rings
- Gears, Automotive engine gaskets
- Glass industry brackets
- Microwave components
Application Industries
- Aerospace
- Medical devices
- Analytical and testing equipment
- Petrochemicals
- Gears and seals
- Electronics, Semiconductors, Photovoltaics, FPD
- Food processing, packaging, and beverage filling
- New energy vehicles
- Textile printing and dyeing machinery
- Composites
- General machinery
Specification Table of PI Sheets
| No. | Dimensions: Width x Length (mm) | Dimensions: Thickness (mm) |
| 1 | 320*325 | 4 |
| 2 | 320*325 | 5 |
| 3 | 320*325 | 6 |
| 4 | 320*325 | 8 |
| 5 | 320*325 | 10 |
| 6 | 320*325 | 12 |
| 7 | 320*325 | 14 |
| 8 | 320*325 | 16 |
| 9 | 320*325 | 18 |
| 10 | 320*325 | 20 |
| 11 | 320*325 | 22 |
| 12 | 320*325 | 24 |
| 13 | 320*325 | 26 |
| 14 | 320*325 | 28 |
| 15 | 320*325 | 30 |
| 16 | 320*325 | 32 |
| 17 | 320*325 | 34 |
| 18 | 290*440 | 4 |
| 19 | 290*440 | 5 |
| 20 | 290*440 | 6 |
| 21 | 290*440 | 8 |
| 22 | 290*440 | 10 |
| 23 | 290*440 | 12 |
| 24 | 290*440 | 14 |
| 25 | 290*440 | 16 |
| 26 | 290*440 | 18 |
| 27 | 290*440 | 20 |
| 28 | 290*440 | 22 |
| 29 | 290*440 | 24 |
| 30 | 290*440 | 26 |
| 31 | 290*440 | 28 |
| 32 | 290*440 | 30 |
| 33 | 290*440 | 32 |
| 34 | 290*440 | 34 |