Comparison
rPA66 Black vs PA66
A side-by-side comparison of Recycled Polyamide 66 Black and Polyamide 6,6 (Nylon).
Physical
Density
1.13-1.16 g/cm³
1.14 g/cm³
Water Absorption (24h)
1.5-2.5 %
1.2 %
Transparency
Opaque
Opaque
Shrinkage
1.0-1.8 %
1.5 – 2.0 %
Mechanical
Young's Modulus
2.5-3.5 GPa
3.0 GPa (dry)
Tensile Strength
60-85 MPa
80 MPa
Elongation at Break
30-80 %
60 %
Impact Strength (Izod)
30-60 J/m
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
50-70 °C
70 °C
Melting Point
255-265 °C
255 – 265 °C
Continuous Service Temperature
100-120 °C
100 – 120 °C
Heat Deflection Temperature
60-80 °C (0.45 MPa)
75 °C (unfilled)
Electrical
Dielectric Constant
3.5-4.0
4.0
Volume Resistivity
10^12-10^14 Ohm·cm
10¹² Ω·cm
Dielectric Strength
15-20 kV/mm
—
Chemical resistance
Acids
Good resistance to weak acids
Poor
Bases
Good resistance
Good
Solvents
Attacked by strong acids and certain organic solvents
—
UV Resistance
Poor (requires UV stabilization)
Fair
Alcohols
—
Good
Oils & Fuels
—
Excellent
Sustainability
Recyclability
Recyclable (check local facilities)
Recyclable
Recycling Code
7 (Other)
7
Carbon Footprint
Lower than virgin PA66
~7.4 kg CO₂e / kg
Bio-based Content
—
0 – 100 % (bio grades)