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Formula: CA
Form: Metallized Film
Material: Cellulose acetate (CA)
CAS Number: 9004-35-7
Commodity: Polymers
Metallized With:
Aluminum
Thickness:
0.05mm
Coil Width:
300mm
Ohms/Square:
0.2
Surface Finish:
Metallized On One Side
Cellulose Acetate Metallized Film with Aluminum Coil is a flexible plastic film product offered by Goodfellow in their extensive range of specialty metals and materials. This product comes in 16 variations, with aluminum metallization on one or side of the cellulose acetate film. The metallic coating provides reflective properties, while the film substrate lends mechanical strength and flexibility. Potential applications include electromagnetic shielding, packaging, and flexible electronics.
Tolerances
Metallized 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 |
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