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Grade: Lexan® 8B28
Formula: PC
Form: Coil
Material: Polycarbonate
CAS Number: 25766-59-0
Commodity: Polymers
Coil Width:
600mm
Colour:
Translucent White 82728
The Lexan® 8B28 Polycarbonate Coil is one of our range of plastic films. With 23 thickness and size variations available, this polycarbonate film features high impact strength, optical clarity and electrical insulation properties. Potential applications for Lexan 8B28 include safety glazing, machine guards and electrical insulation. Our wide variety of thicknesses and sizes make this polycarbonate film suitable for prototyping and small scale production for industrial, scientific and commercial needs alike.
Tolerances
Coil
| Thickness | ±20% |
|---|
Material Properties for Polymers
Physical Properties
| Element | Value |
|---|---|
| Abbe number | 34 |
| Flammability | V0-V2 |
| Radiation resistance | Fair |
| Refractive index | 1.584-6 |
| Resistance to Ultra-violet | Fair |
| Limiting oxygen index( % ) | 25-27 |
| Water absorption - equilibrium( % ) | 0.35 |
| Water absorption - over 24 hours( % ) | 0.1 |
| Density( gcm⁻³ ) | 1.2 |
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good-Poor |
| Aromatic hydrocarbons | Poor |
| Greases and Oils | Good-Fair |
| Halogenated Hydrocarbons | Good-Poor |
| Halogens | Poor |
| Ketones | Poor |
Mechanical Properties
| Element | Value |
|---|---|
| Coefficient of friction | 0.31 |
| Hardness - Rockwell | M70 |
| Poisson's ratio | 0.37 |
| Elongation at break( % ) | 100-150 |
| Tensile modulus( GPa ) | 2.3-2.4 |
| Izod impact strength( J m⁻¹ ) | 600-850 |
| Abrasive resistance - ASTM D1044( mg/1000 cycles ) | Oct-15 |
| Tensile strength( MPa ) | 55-75 |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 2.9 |
| Dissipation factor @ 1MHz | 0.01 |
| Dielectric strength( kV mm⁻¹ ) | 15-67 |
| Surface resistivity( Ohm/sq ) | 10¹⁵ |
| Volume resistivity( Ohmcm ) | 10¹⁴-10¹⁶ |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 140 |
| Heat-deflection temperature - 1.8MPa( C ) | 128-138 |
| Lower working temperature( C ) | -135 |
| Upper working temperature( C ) | 115-130 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1200 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.19-0.22@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 66-70 |
Pultrusions
| Element | Value |
|---|---|
| Compressive strength( MPa ) | >80 |