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Ensinger PEI

Mitsubishi Chemical Advanced Materials Duratron® CU60 PBI Polybenzimidazole, unfilled, compression molded (ASTM Product Data Sheet)
Categories: Polymer; Thermoplastic; Polybenzimidazole (PBI)

Material Notes: Duratron® PBI is the highest performance engineering plastic available from Mitsubishi Chemical Advanced Materials. It offers the highest mechanical properties of any thermoplastic above 400° F (205° C). Duratron® PBI is ideal for high heat bushings, connectors and valve seats. Duratron® PBI is extremely hard and can offer a challenge to fabricate. Fabrication instructions can be furnished by Mitsubishi Chemical Advanced Materials.

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 advanced engineering plastic.

As an unreinforced material, Duratron® 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. Duratron® PBI has excellent ultrasonic transparency which makes it an ideal choice for parts such as probe tip lenses in ultrasonic measuring equipment.

Duratron® 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.

Formerly PBI Performance Products Celazole® PBI.

  • Highest mechanical properties of any plastic above 400°F (204°C)
  • Highest heat deflection temperature 800°F (427°C), with a continuous service capability of 750°F (399°C) in inert environments, or 650°F (343°C) in air with short term exposure potential to 1,000°F (538°C)
  • Lowest coefficient of thermal expansion and highest compressive strength of all unfilled plastics

Quadrant Engineering Plastic Products is now Mitsubishi Chemical Advanced Materials.

Vendors: Click here to view all available suppliers for this material.

Please click here if you are a supplier and would like information on how to add your listing to this material.

 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.30 g/cc1.30 g/ccASTM D792
Water Absorption 0.40 %0.40 %Immersion, 24hr; ASTM D570(2)
Water Absorption at Saturation 5.0 %5.0 %Immersion; ASTM D570(2)
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell E 105105ASTM D785
Hardness, Rockwell M 125125ASTM D785
Hardness, Shore D 9494ASTM D2240
Tensile Strength 110 MPa16000 psiASTM D638
Tensile Strength at 150°C (300°F) 82.7 MPa12000 psiASTM D638
Tensile Strength at 65°C (150°F) 110 MPa16000 psiASTM D638
Elongation at Break 2.0 %2.0 %ASTM D638
Tensile Modulus 5.86 GPa850 ksiASTM D638
Flexural Strength 221 MPa32000 psiASTM D790
Flexural Modulus 6.55 GPa950 ksiASTM D790
Compressive Strength 345 MPa50000 psi10% Def.; ASTM D695
Compressive Modulus 6.21 GPa900 ksiASTM D695
Izod Impact, Notched 0.267 J/cm0.500 ft-lb/inASTM D256 Type A
Coefficient of Friction, Dynamic 0.240.24Dry vs. Steel; QTM55007
K (wear) Factor 121 x 10-8 mm³/N-M60.0 x 10-10 in³-min/ft-lb-hrQTM 55010
Limiting Pressure Velocity 1.31 MPa-m/sec37500 psi-ft/min4:1 safety factor; QTM 55007
 
Electrical PropertiesMetricEnglishComments
Surface Resistivity per Square >= 1.00e+13 ohm>= 1.00e+13 ohmEOS/ESD S11.11
Dielectric Constant 3.2
@Frequency 1e+6 Hz
3.2
@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 21.7 kV/mm550 kV/inShort Term; ASTM D149
Dissipation Factor 0.0030
@Frequency 1e+6 Hz
0.0030
@Frequency 1e+6 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 23.4 µm/m-°C
@Temperature -40.0 - 149 °C
13.0 µin/in-°F
@Temperature -40.0 - 300 °F
ASTM E831
Thermal Conductivity 0.403 W/m-K2.80 BTU-in/hr-ft²-°FASTM F433
Maximum Service Temperature, Air 316 °C600 °FLong Term
Deflection Temperature at 1.8 MPa (264 psi) 427 °C800 °FASTM D648
Glass Transition Temp, Tg 413 °C775 °FASTM D3418
Flammability, UL94 V-0
@Thickness 3.17 mm
V-0
@Thickness 0.125 in
Estimated Rating
 
Compliance PropertiesMetricEnglishComments
3A-Dairy NoNo
Canada AG NoNo
FDA NoNo
NSF NoNo
USDA NoNo
USP Class VI NoNo
 
Chemical Resistance PropertiesMetricEnglishComments
Acids, Strong (pH 1-3) UnacceptableUnacceptable
Acids, Weak LimitedLimited
Alcohols AcceptableAcceptable
Alkalies, Strong (pH 11-14) UnacceptableUnacceptable
Alkalies, Weak LimitedLimited
Chlorinated Solvents AcceptableAcceptable
Conductive / Static Dissipative NoNo
Continuous Sunlight LimitedLimited
Hot Water / Steam LimitedLimited
Hydrocarbons - Aliphatic AcceptableAcceptable
Hydrocarbons - Aromatic AcceptableAcceptable
Inorganic Salt Solutions AcceptableAcceptable
Ketones, Esters AcceptableAcceptable
 
Descriptive Properties
Machinability101-10, 1=Easier to Machine

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P1SM02 / 20073

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