Comparison

TPU 95A Filament vs ABS

A side-by-side comparison of Thermoplastic Polyurethane 95A Filament and Acrylonitrile Butadiene Styrene.

Physical

Density
1.20-1.25 g/cm³
1.04 – 1.07 g/cm³
Water Absorption (24h)
0.5-1.0 %
0.20 – 0.45 %
Transparency
Translucent to Opaque
Opaque
Shrinkage
Very Low (0.0-0.3%)
0.4 – 0.9 %
Specific Gravity
1.05
Surface Finish
Matte to glossy

Mechanical

Young's Modulus
0.05-0.2 GPa (at low strain)
1.8 – 2.5 GPa
Tensile Strength
40-50 MPa
40 – 50 MPa
Elongation at Break
300-500 %
10 – 50 %
Impact Strength (Izod)
High (Not typically measured in standard Izod due to deformation)
200 – 400 J/m
Flexural Strength
60 – 80 MPa
Hardness (Rockwell R)
100 – 115

Thermal

Glass Transition Temperature
-40 to -20 °C
105 °C
Melting Point
N/A (thermoplastic, softens)
Amorphous (no true Tm)
Continuous Service Temperature
60-80 °C
70 – 90 °C
Heat Deflection Temperature
N/A (deforms)
85 – 100 °C
Thermal Conductivity
0.17 W/m·K
CTE
80 – 100 × 10⁻⁶ /K

Electrical

Dielectric Constant
4.0-4.5
2.7 – 3.2
Volume Resistivity
10¹⁰-10¹² Ω·cm
10¹⁶ Ω·cm
Dielectric Strength
10-15 MV/m
15 – 20 kV/mm
Surface Resistivity
10¹⁵ Ω

Chemical resistance

Acids
Good resistance
Bases
Good resistance
Good
Solvents
Resistant to oils and greases. Attacked by strong polar solvents.
UV Resistance
Good
Poor (unless stabilized)
Acids (dilute)
Good
Alcohols
Good
Oils & Greases
Fair
Gasoline
Poor
Acetone
Attacks / dissolves
Weathering
Poor without stabilizers

Sustainability

Recyclability
Mechanically Recyclable (limited)
Recyclable (mechanical)
Recycling Code
7 (Other)
7 (Other)
Carbon Footprint
Moderate
~3.1 kg CO₂e / kg
Bio-based Content
0 %