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Formula: PBI
Form: Foil/Film/Sheet
Material: Polybenzimidazole (PBI)
Commodity: Polymers
Polybenzimidazole films are a high performance polymer material available in 13 variations. These film offer a range of properties, including excellent thermal stability, low flammability and good chemical resistance. These unique properties make them suitable for specialty applications like fireproof protective apparel, electrical insulation, filtration media and aerospace components. Polybenzimidazole films are a great example of the breadth of advanced materials we offer for demanding industrial applications.
Tolerances
Foil/Film/Sheet
| Thickness | ±20% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Poor |
| Acids - dilute | Fair-Poor |
| Alcohols | Good |
| Alkalis | Good-Poor |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good |
| Ketones | Good |
Mechanical Properties
| Element | Value |
|---|---|
| Coefficient of friction | 0.19-0.27 |
| Hardness - Rockwell | K115 |
| Poisson's ratio | 0.34 |
| Elongation at break( % ) | 3 |
| Compressive modulus( GPa ) | 6.2 |
| Tensile modulus( GPa ) | 5.9 |
| Izod impact strength( J m⁻¹ ) | 590unnotched |
| Tensile strength( MPa ) | 160 |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 3.2 |
| Dielectric strength( kV mm⁻¹ ) | 21 |
| Volume resistivity( Ohmcm ) | 8x10¹⁴ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | Does not burn |
| Radiation resistance | Good |
| Limiting oxygen index( % ) | 58 |
| Water absorption - over 24 hours( % ) | 0.4 |
| Density( gcm⁻³ ) | 1.3 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 435 |
| Upper working temperature( C ) | 260-400 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.41@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 23 |
Pultrusions
| Element | Value |
|---|---|
| Compressive strength( MPa ) | 400 |
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Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.005mm
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Zirconium Foil Formula: Zr
Percentage Purity: 99.2%
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
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UOM Code: 004-371-61
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X-ray Quality Rhodium Foil Grade: X-ray Quality
Formula: Rh
Percentage Purity: 99.9%
Temper: As Rolled
Thickness: 0.025mm
Length 1: 10mm
Length 2: 10mm
CAS Number: 7440-16-6
UOM Code: 464-926-09
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Yttria-stabilized Zirconia Sheet (5% Yttria) Formula: ZrO₂/Y₂O₃
Thickness: 1mm
Length 1: 25mm
Length 2: 25mm
Stabilised With: 5% Yttria
CAS Number: 114168-16-0
UOM Code: 128-868-36
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Yttrium Foil Formula: Y
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.1mm
Length 1: 50mm
Length 2: 50mm
CAS Number: 7440-65-5
UOM Code: 117-129-99
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Zinc Foil Formula: Zn
Percentage Purity: 99.9%
Thickness: 0.0025mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-66-6
UOM Code: 013-016-12
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