Comparison
PPA Mineral Filled vs PA66
A side-by-side comparison of Polyphthalamide, Mineral Filled and Polyamide 6,6 (Nylon).
Physical
Density
1.30-1.40 g/cm³
1.14 g/cm³
Water Absorption (24h)
0.4-0.6 %
1.2 %
Transparency
Opaque
Opaque
Shrinkage
0.2-0.4 %
1.5 – 2.0 %
Mechanical
Young's Modulus
6-10 GPa
3.0 GPa (dry)
Tensile Strength
80-110 MPa
80 MPa
Elongation at Break
4-8 %
60 %
Impact Strength (Izod)
8-15 kJ/m
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
100-150 °C
70 °C
Melting Point
300-320 °C
255 – 265 °C
Continuous Service Temperature
120-170 °C
100 – 120 °C
Heat Deflection Temperature
200-260 °C (1.8 MPa)
75 °C (unfilled)
Electrical
Dielectric Constant
4.0-4.8
4.0
Volume Resistivity
10^9-10^11 Ohm-cm
10¹² Ω·cm
Dielectric Strength
10-15 kV/mm
—
Chemical resistance
Acids
Good
Poor
Bases
Good
Good
Solvents
Good
—
UV Resistance
Fair
Fair
Alcohols
—
Good
Oils & Fuels
—
Excellent
Sustainability
Recyclability
Recyclable
Recyclable
Recycling Code
7 (Other)
7
Carbon Footprint
High
~7.4 kg CO₂e / kg
Bio-based Content
—
0 – 100 % (bio grades)