Comparison

PIR/PCR Blend PPA vs PA66

A side-by-side comparison of Post-Industrial and Post-Consumer Recycled Polypropylene Blend and Polyamide 6,6 (Nylon).

Property

PIR/PCR Blend PPA

PA66

Physical

Density

0.900-0.915 g/cm³

1.14 g/cm³

Water Absorption (24h)

0.02-0.05 %

1.2 %

Transparency

Opaque

Shrinkage

1.5-3.0 %

1.5 – 2.0 %

Mechanical

Young's Modulus

1.1-1.5 GPa

3.0 GPa (dry)

Tensile Strength

20-35 MPa

80 MPa

Elongation at Break

10-50 %

60 %

Impact Strength (Izod)

15-30 J/m

50 J/m

Flexural Strength

—

110 MPa

Thermal

Glass Transition Temperature

-5 °C

70 °C

Melting Point

150-165 °C

255 – 265 °C

Continuous Service Temperature

70-90 °C

100 – 120 °C

Heat Deflection Temperature

50-65 °C (0.45 MPa)

75 °C (unfilled)

Electrical

Dielectric Constant

2.2-2.3

4.0

Volume Resistivity

>10^16 Ohm·cm

10¹² Ω·cm

Dielectric Strength

20-30 kV/mm

—

Chemical resistance

Acids

Good

Poor

Bases

Good

Solvents

Fair resistance

—

UV Resistance

Poor (requires stabilizers)

Fair

Alcohols

—

Good

Oils & Fuels

—

Excellent

Sustainability

Recyclability

Recyclable

Recycling Code

5 (PP)

Carbon Footprint

Lower than virgin PP

~7.4 kg CO₂e / kg

Bio-based Content

—

0 – 100 % (bio grades)