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Cellulose Acetate Butyrate Film

Formula: CAB
Thickness: 0.76mm
Length 1: 100mm
Length 2: 100mm
Colour: Clear
CAS Number: 9004-36-8
UOM Code: 556-887-87
Legacy Code: AC303076
Distributor Code:
GF55688787
SKU: 1000001752
Product Code: AC30-SH-000176

Material Properties for Polymers

Physical Properties
Element Value
Abbe number 80-84
Flammability HB
Radiation resistance Fair
Refractive index 1.478
Resistance to Ultra-violet Good
Limiting oxygen index( % ) 17
Water absorption - over 24 hours( % ) 0.9-2.2
Density( gcm⁻³ ) 1.2
Chemical Resistance
Element Value
Acids - dilute Fair-Poor
Alcohols Poor
Alkalis Fair-Poor
Aromatic hydrocarbons Poor
Greases and Oils Good-Poor
Halogenated Hydrocarbons Poor
Halogens Poor
Ketones Poor
Electrical Properties
Element Value
Dielectric constant @1MHz 2.5-6.2
Dissipation factor @ 1kHz 0.04
Dielectric strength( kV mm⁻¹ ) 10
Volume resistivity( Ohmcm ) 10¹¹-10¹⁵
Mechanical Properties
Element Value
Hardness - Rockwell 99
Elongation at break( % ) 60
Tensile modulus( GPa ) 0.3-2
Izod impact strength( J m⁻¹ ) 260
Tensile strength( MPa ) 20-60
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 73
Heat-deflection temperature - 1.8MPa( C ) 62
Lower working temperature( C ) <-40
Upper working temperature( C ) 60-100
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.16-0.32@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 140