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PI Polyimide Sheet
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PI Polyimide Sheet

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JUTAIPI®NA PI Sheet is a premium thermosetting polyimide sheet developed for extreme thermal, electrical, and semiconductor-related environments. Manufactured from high-purity polyimide resin, the material offers outstanding rigidity, low thermal expansion, and long-term dimensional stability under elevated temperatures and continuous mechanical stress.
JUTAIPI®NA PI Sheet – High Temperature Polyimide Sheet Material

JUTAIPI®NA PI Sheet is a premium thermosetting polyimide sheet developed for extreme thermal, electrical, and semiconductor-related environments. Manufactured from high-purity polyimide resin, the material offers outstanding rigidity, low thermal expansion, and long-term dimensional stability under elevated temperatures and continuous mechanical stress.

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Unlike conventional engineering plastics, JUTAIPI®NA sheets retain their structural integrity in ultra-high-temperature conditions without softening or melting. The material is capable of continuous operation at temperatures up to 300°C and short-term exposure beyond 400°C. Its naturally low outgassing behavior and excellent dielectric properties make it particularly suitable for cleanroom and vacuum processing applications.

The sheet material also demonstrates excellent flame resistance, low dielectric loss, radiation resistance, and stable electrical insulation performance over a wide temperature range. In semiconductor manufacturing equipment, JUTAIPI®NA PI sheets are frequently used where contamination control, thermal insulation, and plasma resistance are critical.

Due to their flat-profile structure and excellent machinability, PI sheets are widely fabricated into precision thermal barriers, chamber insulation plates, wafer handling fixtures, electronic insulation components, semiconductor test platforms, and custom high-temperature support parts.

Main Characteristics
  • Outstanding thermal stability in continuous high-temperature operation

  • Excellent dimensional accuracy and low creep behavior

  • Low outgassing for vacuum and semiconductor systems

  • Superior dielectric strength and insulation reliability

  • Excellent resistance to plasma, radiation, and industrial chemicals

  • Naturally flame-retardant with UL94 V-0 rating

  • Easy machining for precision flat components

  • High mechanical rigidity and stable surface performance

Available Sheet Sizes

Suzhou Jutai supplies JUTAIPI®NA PI sheets in:

T0.5~120mm*650* 520 mm

T0.5~120mm*320* 320 mm

T0.5~120mm*360* 320 mm

T0.5~120mm*210* 120 mm

other sizes requested can be customized

PI Sheet is primarily used to manufacture the following components:

High and low temperature resistant parts

Wear-resistant parts

Insulating components

Oil-free bearings

Valve seats

Seals

Chip test sockets

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The product is widely applied in the following fields:

Electronics Industry: PI Sheet is widely used in high-temperature circuits and integrated circuits. Its excellent electrical properties and high-temperature stability make it an important raw material for manufacturing flexible circuit boards. It is also used as support structural components in semiconductor manufacturing processes.

Aerospace Field: Leveraging its excellent temperature resistance, high strength, and lightweight characteristics, PI Sheet is extensively used in the manufacturing and maintenance of aircraft engine components, as well as in satellite communication equipment.

Mechanical Engineering Industry: In the precision instrument manufacturing industry, PI Sheet serves as a substitute for high-precision bearing materials. Its wear resistance and self-lubricating properties give it significant advantages in special environments.

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Our current product series including PEEK, PEI, PSU and PPS profiles of sheets, rods, tubes, with a large inventory of standard sizes available. And customization of shape & color & material filled can also supply.

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