Cellulose Acetate Coil Metallized with Aluminum

Cellulose Acetate Coil Metallized with Aluminum combines the mechanical strength, transparency, and biodegradability of cellulose acetate with the barrier properties, reflectivity, and electromagnetic shielding potential of an aluminum layer. This hybrid structure offers superior moisture and gas barrier performance, UV protection, and thermal stability compared to uncoated cellulose acetate films. Its versatility makes it valuable across packaging, electronics, aerospace, and industrial coating sectors. Key applications include high-barrier food packaging to extend shelf life, reflective insulation films for aerospace components, and decorative laminates for premium consumer goods. Technologies benefiting from this material include EMI shielding in sensitive electronics and corrosion protection coatings, where the aluminum layer imparts conductivity and oxidation resistance while the cellulose acetate substrate provides mechanical flexibility and environmental compatibility. Its dual-material nature fosters ongoing research into sustainable, high-performance composites that balance functionality with reduced environmental impact, reinforcing its significance in both advanced manufacturing and materials science innovation.

Quick Links:

Tolerance

Properties

Reference & Citations

each

Tolerances

Metallised Film

Thickness		±10%

Coil

Length		+10% / -0%

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