Cellulose Acetate Coil

Cellulose Acetate Coil offers a combination of excellent film-forming ability, high optical clarity, and good resistance to oils and greases, making it a versatile polymer sheet supplied in continuous roll form for industrial processing. Its semi-crystalline structure, tunable through the degree of acetyl substitution, allows for precise control over mechanical flexibility, permeability, and chemical resistance. This adaptability makes it valuable in industries such as packaging, filtration, biomedical devices, and specialty manufacturing. Key applications include roll-fed membrane production for separation and purification, continuous-feed biomedical barrier films, and precision dielectric layers in electronics. With growing interest in sustainable materials, cellulose acetate coils—especially from renewable or recycled sources—are increasingly important in research aimed at replacing petroleum-derived polymers without compromising performance. Their balance of processability, environmental compatibility, and functional versatility ensures their continued role in advancing both scientific study and industrial production.

Quick Links:

Tolerance

Properties

Reference & Citations

each

Tolerances

Coil

Thickness		±20%

Material Properties for Polymers

Chemical Resistance

Element	Value
Acids - concentrated	Poor
Acids - dilute	Good-Poor
Alcohols	Fair-Poor
Alkalis	Poor
Aromatic hydrocarbons	Good-Poor
Greases and Oils	Good
Halogenated Hydrocarbons	Good-Poor
Halogens	Poor
Ketones	Poor

Electrical Properties

Element	Value
Dielectric constant @1MHz	~5
Dissipation factor @ 1kHz	0.06
Dielectric strength( kV mm⁻¹ )	11
Volume resistivity( Ohmcm )	5 x 10¹²

Physical Properties

Element	Value
Flammability	HB
Radiation resistance	Fair
Refractive index	1.49
Resistance to Ultra-violet	Fair
Limiting oxygen index( % )	19
Water absorption - over 24 hours( % )	1.9-7
Density( gcm⁻³ )	1.3

Mechanical Properties

Element	Value
Hardness - Rockwell	34-125
Tensile modulus( GPa )	01-Apr
Izod impact strength( J m⁻¹ )	100-450
Abrasive resistance - ASTM D1044( mg/1000 cycles )	65
Tensile strength( MPa )	12-110

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	52-105
Heat-deflection temperature - 1.8MPa( C )	48-86
Lower working temperature( C )	-20
Upper working temperature( C )	55-95
Specific heat( J K⁻¹ kg⁻¹ )	1200-1900
Thermal conductivity( W m⁻¹ K⁻¹ )	0.16-0.36@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	80-180