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POLYPENCO PBI

Polybezimidazole (PBI)

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Properties Test Methods Units Values
Density ASTM D-792
1.30
Tensile Strength at 23°C ASTM D-638 MPa 160
{kgf/cm2} {1,630}
Tensile Elongation at 23°C
(at break)
ASTM D-638 % 3
Tensile Modulus at 23°C ASTM D-638 MPa
{103kgf/cm2}
Compressive Strength at 23°C
(5% Deformation)
ASTM D-695 MPa 294
{kgf/cm2} {3,000}
Compressive Modulus at 23°C ASTM D-695 MPa 5,880
{103kgf/cm2} {60}
Flexural Strength at 23°C ASTM D-790 MPa 220
{kgf/cm2} {2,240}
Flexural Modulus at 23°C ASTM D-790 MPa 6,640
{103kgf/cm2} {66}
Izod Impact (Notched) ASTM D-256 J/m 46
{kgf·cm/2.54cm} {12}
Rockwell Hardness at 23°C ASTM D-785 R scale 129
Heat Deflection Temperature ASTM D-648 °C 435
1.820MPa
{18.6kgf/cm2}
0.445MPa ASTM D-648 °C
{4.6kgf/cm2}
Coefficient of Liner Thermal Expansion ASTM D-696 ×10-5/°C 2.3
Continuous Service Temperature
°C 310
Water Absorption Immersion at 23°C ASTM D-570 %  
(24h in water) 0.4
(Saturation)
Volume Resistivity at 23°C ASTM D-257 Ω·m >1013
{Ω·cm} {>1015}
Dielectric Strength ASTM D-149 kV/mm 23
Flammability UL94
V-0
* The data in the table shows the representive data, though they are not the guaranteed ones.