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Cellulose Acetate Butyrate Tube

Formula: CAB
Form: Tube
Material: Cellulose acetate butyrate (CAB)
CAS Number: 9004-36-8
Commodity: Polymers
Wall Thickness: 0.75mm
Inside Diameter: 1.5mm
Outside Diameter: 3mm
Cellulose Acetate Butyrate Tubes are part of Goodfellow's range of tubular products. The range includes 8 variations of this thermoplastic polymer tube. Cellulose Acetate Butyrate offers properties such as high impact strength, rigidity, and good electrical insulation. The tubes are commonly used for scientific instrumentation as well as industrial and medical applications that require a rigid, transparent tube with good chemical resistance and electrical insulation. With 8 size options, Goodfellow's Cellulose Acetate Butyrate Tubes provide flexibility for diverse tubing needs across research and industry.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Tube
Outside Diameter =<2mm ±10%
Outside Diameter =<5mm ±10%
Outside Diameter >5mm ±10%
Wall Thickness ±20%

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

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