Comparison
rTPU Flexible Black vs PETG
A side-by-side comparison of Recycled Thermoplastic Polyurethane Flexible Black and Polyethylene Terephthalate Glycol.
Physical
Density
1.10-1.30 g/cm³
1.27 g/cm³
Water Absorption (24h)
0.5-1.5 %
0.13 %
Transparency
Opaque (typically black)
Transparent
Shrinkage
0.5-1.5 %
0.2 – 0.5 %
Mechanical
Young's Modulus
0.02-0.10 GPa
2.1 GPa
Tensile Strength
30-60 MPa
50 MPa
Elongation at Break
300-600 %
120 %
Impact Strength (Izod)
N/A (flexible grade)
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
-30 to -10 °C
80 °C
Melting Point
N/A (elastomeric)
—
Continuous Service Temperature
70-90 °C
65 °C
Heat Deflection Temperature
N/A
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
4.0-5.0
3.3
Volume Resistivity
10^10-10^12 Ohm·cm
10¹⁴ Ω·cm
Dielectric Strength
10-20 kV/mm
—
Chemical resistance
Acids
Good resistance
Good
Bases
Good resistance
Fair
Solvents
Resistance varies, attacked by strong polar solvents
—
UV Resistance
Fair (can degrade over time)
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Recyclable (check local facilities)
Recyclable
Recycling Code
7 (Other)
1
Carbon Footprint
Lower than virgin TPU
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %