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Product Properties Sheet
Manufacturer
Quadrant
Product Catagories
High Performance
 Polybenzimidazole
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Polybenzimidazole, Unfilled, Compression molded
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- Highest mechanical properties of any plastic over 400°F
(205°C)
- Highest heat deflection temperature of any plastic
at 800°F (425°C), with a continuous service capability
of 750°F (400°C) in inert environments, or 650°F
(345°C) in air with short term exposure potential to 1,000°F
(540°C)
- Lowest coefficient of thermal expansion and highest
compressive strength of all unfilled plastics
Celazole PBI is the highest performance engineering plastic
available today. It offers the highest heat resistance and mechanical
property retention over 400°F (205°C) of any unfilled
plastic. It has better wear resistance and load carrying capabilities
at extreme temperatures than any other reinforced or unreinforced
engineering plastic.
As an unreinforced material, Celazole PBI is very clean in terms
of ionic impurity and it does not outgas (except water). These
characteristics make this material very attractive to semiconductor
manufacturers for vacuum chamber applications. Celazole PBI has
excellent ultrasonic transparency which makes it an ideal choice
for parts such as probe tip lenses in ultrasonic measuring equipment.
Celazole PBI is also an excellent thermal insulator. Other plastics
in melt do not stick to PBI. These characteristics make it ideal
for contact seals and insulator bushings in plastic production
and molding equipment.
Application
- High heat insulator bushings
- Electrical connectors
- Ball valve seats
- Clamp rings
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