Cellulose Acetate Butyrate Film

Cellulose Acetate Butyrate Film combines the thermoplastic versatility of cellulose derivatives with enhanced toughness, UV resistance, and chemical stability imparted by butyrate groups. These films exhibit excellent optical clarity, good resistance to moisture, and strong dimensional stability across a range of environmental conditions, making them ideal for precision applications. Widely used in coatings, protective layers, membrane technologies, and specialty packaging, they also find roles in aerospace, biomedical devices, and electronics manufacturing. Specific technologies benefiting from this material include high-performance gas separation membranes for CO₂/N₂ filtration, solvent-resistant protective films for electronics, and durable optical laminates. In research and innovation, CAB films are valued for their tunable molecular structure, allowing tailored permeability, surface energy, and mechanical properties. This adaptability ensures their continued relevance as industries seek sustainable, high-performance alternatives to petroleum-derived polymers, positioning CAB films as an important material for both scientific exploration and industrial advancement.

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

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Tolerances

Foil/Film/Sheet

Thickness		±20%

Tolerances

Foil/Film/Sheet

Thickness		±20%

Technical Data Sheet

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Safety Data Sheet

$216.00

each

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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