Comparison
rPC Transparent vs PETG
A side-by-side comparison of Recycled Polycarbonate Transparent and Polyethylene Terephthalate Glycol.
Physical
Density
1.20-1.22 g/cm³
1.27 g/cm³
Water Absorption (24h)
0.10-0.15 %
0.13 %
Transparency
Excellent
Transparent
Shrinkage
0.6-0.8 %
0.2 – 0.5 %
Mechanical
Young's Modulus
2.0-2.4 GPa
2.1 GPa
Tensile Strength
50-65 MPa
50 MPa
Elongation at Break
60-100 %
120 %
Impact Strength (Izod)
60-80 J/m (unnotched)
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
145-155 °C
80 °C
Melting Point
N/A (amorphous)
—
Continuous Service Temperature
100-120 °C
65 °C
Heat Deflection Temperature
120-130 °C (0.45 MPa)
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
2.9-3.1
3.3
Volume Resistivity
10^15-10^17 Ohm·cm
10¹⁴ Ω·cm
Dielectric Strength
15-25 kV/mm
—
Chemical resistance
Acids
Good resistance to dilute acids
Good
Bases
Poor resistance
Fair
Solvents
Attacked by acetone, xylene, and chlorinated hydrocarbons
—
UV Resistance
Moderate (can yellow with prolonged exposure)
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Recyclable (check local facilities)
Recyclable
Recycling Code
7 (Other)
1
Carbon Footprint
Lower than virgin PC
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %