Comparison

rPP Copo PIR Filled vs PA66

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

Property

rPP Copo PIR Filled

PA66

Physical

Density

0.900-0.920 g/cm³

1.14 g/cm³

Water Absorption (24h)

0.02-0.05 %

1.2 %

Transparency

Opaque

Shrinkage

1.0-2.5 % (depending on filler)

1.5 – 2.0 %

Mechanical

Young's Modulus

1.5-3.0 GPa (with filler)

3.0 GPa (dry)

Tensile Strength

25-40 MPa

80 MPa

Elongation at Break

5-50 % (depending on filler)

60 %

Impact Strength (Izod)

40-80 J/m (with filler)

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

80-95 °C

100 – 120 °C

Heat Deflection Temperature

70-90 °C (0.45 MPa, with filler)

75 °C (unfilled)

Electrical

Dielectric Constant

2.2-2.5

4.0

Volume Resistivity

>10^16 Ohm·cm

10¹² Ω·cm

Dielectric Strength

18-28 kV/mm

—

Chemical resistance

Acids

Good

Poor

Bases

Good

Solvents

Good resistance to many organic solvents

—

UV Resistance

Poor (requires UV stabilizers)

Fair

Alcohols

—

Good

Oils & Fuels

—

Excellent

Sustainability

Recyclability

Recyclable

Recycling Code

5 (PP)

Carbon Footprint

Lower than virgin PP copolymer

~7.4 kg CO₂e / kg

Bio-based Content

—

0 – 100 % (bio grades)