Comparison

Regenerated Cellulose Coated vs PETG

A side-by-side comparison of Regenerated Cellulose, Coated Grade FF and Polyethylene Terephthalate Glycol.

Physical

Density
1.45 g/cm³ (base film)
1.27 g/cm³
Water Absorption (24h)
Reduced by coating
0.13 %
Transparency
Exceptional
Transparent
Shrinkage
4.0-8.0 %
0.2 – 0.5 %

Mechanical

Young's Modulus
10 GPa (base film)
2.1 GPa
Tensile Strength
100 MPa (base film)
50 MPa
Elongation at Break
2.0 % (base film)
120 %
Impact Strength (Izod)
0.05 J/cm (base film)
100 J/m
Flexural Strength
70 MPa

Thermal

Glass Transition Temperature
100-150 °C (base film)
80 °C
Melting Point
None (decomposes)
Continuous Service Temperature
60 °C
65 °C
Heat Deflection Temperature
60 °C
70 °C
CTE
68 × 10⁻⁶ /K

Electrical

Dielectric Constant
6.0 (base film)
3.3
Volume Resistivity
10¹⁰ Ω·cm (base film)
10¹⁴ Ω·cm
Dielectric Strength
20 kV/mm (base film)

Chemical resistance

Acids
Good resistance
Good
Bases
Good resistance
Fair
Solvents
Insoluble in common organic solvents, but sensitive to moisture
UV Resistance
Moderate
Fair
Alcohols
Good
Oils
Good

Sustainability

Recyclability
Biodegradable (compost)
Recyclable
Recycling Code
7 (Other)
1
Carbon Footprint
Moderate
~2.7 kg CO₂e / kg
Bio-based Content
0 %