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    Celazole 

Celazole PolyBenzImidazole Specifications  

  
  Celazole PBI is a high performance imidized thermoplastic. Chemically, Celazole PBI is PolyBenzamIdazole.

Celazole
PBI is the highest performing engineering plastic currently available. It offers the highest heat resistance (it does not melt) and mechanical property retention over 400F (205C) 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.

NOTE:
PBI is also available in powder, pellet, filament and solution
forms for compression molding, casting, and R & D purposes.


TYPICAL APPLICATIONS
• Wafer retaining rings for gas plasma etching • Vacuum tips • Wafer carriers • Contact seals • Insulator bushings • Thermal isolators • Guide rollers

 


TYPICAL PROPERTIES of CELAZOLE PBI

ASTM or UL test Property Celazole PBI
PHYSICAL
D792 Density (lb/in)
(g/cm)
0.047
1.30
D570 Water Absorption, 24 hrs (%) 0.40
MECHANICAL
D638 Tensile Strength (psi) 23,000
D638 Tensile Modulus (psi) 850,000
D638 Tensile Elongation at Break (%) 3.0
D790 Flexural Strength (psi) 32,000
D790 Flexural Modulus (psi) 950,000
D695 Compressive Strength (psi) 50,000
D695 Compressive Modulus (psi) 900,000
D785 Hardness, Rockwell E105
D256 IZOD Notched Impact (ft-lb/in) 0.5
THERMAL
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./F)
1.3
D648 Heat Deflection Temp (F / C)
at 264 psi

800 / 427
D3418 Glass Transition Temp (F / C) 750 / 399
- Max Operating Temp (F / C) 650 / 343
C177 Thermal Conductivity
(BTU-in/ft-hr-F)
(x 10-4 cal/cm-sec-C)

2.80
9.64
UL94 Flammability Rating V-O
ELECTRICAL
D149 Dielectric Strength (V/mil) short time, 1/8" thick 550
D150 Dielectric Constant at 1 MHz 4.20
D150 Dissipation Factor at 1 MHz -
D257 Volume Resistivity (ohm-cm)at 50% RH >1013

 

NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers' complete material property datasheets. All values at 73F (23C) unless otherwise noted.

blue line Celazole is a trademark of Quadrant Inc.

Relevant Links

Vespel  Ultem  Rulon  Meldin  Torlon

 
  

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Designed By Weblord Inc, (514) 696-2742 1996
Last modified: Wednesday, July 10, 2013 04:50 PM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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