Lexan® 8B28 Polycarbonate Film

Lexan® 8B28 Polycarbonate films comes in 17 variations that differ in thickness, width, length and quantity. Polycarbonate films like Lexan® 8B28 feature high optical clarity, impact and heat resistance, as well as electrical insulation properties. These attributes make Lexan® polycarbonate films ideal for applications in glazing, safety screens, medical devices and electrical insulation. With its range of sizes and thicknesses, Lexan® 8B28 provides versatile solutions for engineers across industries.

Grade: Lexan® 8B28
Formula: PC
Thickness: 0.5mm
Length 1: 150mm
Length 2: 150mm
Colour: Translucent White 82728
CAS Number: 25766-59-0
UOM Code: 001-639-09

SKU: 1000000215

Product Code: CT30-FM-000151

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Tolerances

Foil

Thickness		±20%

Tolerances

Foil

Thickness		±20%

Technical Data Sheet

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Safety Data Sheet

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$212.04

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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