Comparison
TPS Plasticized Starch J vs PA66
A side-by-side comparison of Thermoplastic Starch, Plasticized Grade J and Polyamide 6,6 (Nylon).
Physical
Density
1.30 g/cm³
1.14 g/cm³
Water Absorption (24h)
5.0 %
1.2 %
Transparency
Translucent to opaque
Opaque
Shrinkage
3.0 - 6.0 %
1.5 – 2.0 %
Mechanical
Young's Modulus
0.2 GPa
3.0 GPa (dry)
Tensile Strength
15 MPa
80 MPa
Elongation at Break
5.0 %
60 %
Impact Strength (Izod)
0.3 J/cm
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
60-80 °C
70 °C
Melting Point
None (degrades)
255 – 265 °C
Continuous Service Temperature
40 °C
100 – 120 °C
Heat Deflection Temperature
40 °C
75 °C (unfilled)
Electrical
Dielectric Constant
4.0
4.0
Volume Resistivity
10¹⁰ Ω·cm
10¹² Ω·cm
Dielectric Strength
10 kV/mm
—
Chemical resistance
Acids
Sensitive
Poor
Bases
Sensitive
Good
Solvents
Soluble in water and polar solvents like DMF
—
UV Resistance
Poor
Fair
Alcohols
—
Good
Oils & Fuels
—
Excellent
Sustainability
Recyclability
Biodegradable (compost)
Recyclable
Recycling Code
7 (Other)
7
Carbon Footprint
Very Low
~7.4 kg CO₂e / kg
Bio-based Content
—
0 – 100 % (bio grades)