PBI (Polybenzimidazole)

The highest heat-resistant thermoplastic available, maintaining structural integrity up to 480°C continuously.
PBI (Polybenzimidazole)
About PBI (Polybenzimidazole)

PBI (Polybenzimidazole) is the highest performing thermoplastic available. It offers exceptional thermal stability, maintaining full functionality at temperatures up to 480°C continuously. With virtually zero water absorption and exceptional compressive strength, PBI is the material of choice for the most demanding high-temperature applications. PBI maintains its properties in the harshest chemical environments and under extreme mechanical loads. Its high strength, near-zero wear rate, and excellent dimensional stability make it indispensable in aerospace, semiconductor, and energy applications.

Material Usage

  • Aerospace seals and bushings

  • Semiconductor wafer handling components

  • High-temperature electrical insulators

  • Fuel cell components and membranes

  • Thermal management parts

  • Nuclear industry seals

Material Characteristics

Maximum continuous temperature: 480°C
Tensile strength: 23,200 psi
Compressive strength: 50,000 psi
Near-zero moisture absorption
Excellent chemical resistance
Highest thermal stability of any thermoplastic
Standard Sizes

SHEET
Thickness / Size
Custom sizes available on request
ROD
Diameter / Size
Custom sizes available on request
TUBE
OD / Wall / Size
1.0" OD x 0.625" ID x 12" length
Custom OD/ID/length on request
OTHER
Form / Size
As Per requirement