Comparison
rPP Homo PCR Black vs ABS
A side-by-side comparison of Recycled Polypropylene Homopolymer Post-Consumer Recycled Black and Acrylonitrile Butadiene Styrene.
Physical
Density
0.900-0.915 g/cm³
1.04 – 1.07 g/cm³
Water Absorption (24h)
0.02-0.05 %
0.20 – 0.45 %
Transparency
Opaque
Opaque
Shrinkage
1.5-3.0 %
0.4 – 0.9 %
Specific Gravity
—
1.05
Surface Finish
—
Matte to glossy
Mechanical
Young's Modulus
1.3-1.7 GPa
1.8 – 2.5 GPa
Tensile Strength
30-45 MPa
40 – 50 MPa
Elongation at Break
5-20 %
10 – 50 %
Impact Strength (Izod)
20-40 J/m
200 – 400 J/m
Flexural Strength
—
60 – 80 MPa
Hardness (Rockwell R)
—
100 – 115
Thermal
Glass Transition Temperature
-5 °C
105 °C
Melting Point
160-170 °C
Amorphous (no true Tm)
Continuous Service Temperature
80-100 °C
70 – 90 °C
Heat Deflection Temperature
60-80 °C (0.45 MPa)
85 – 100 °C
Thermal Conductivity
—
0.17 W/m·K
CTE
—
80 – 100 × 10⁻⁶ /K
Electrical
Dielectric Constant
2.2-2.3
2.7 – 3.2
Volume Resistivity
>10^16 Ohm·cm
10¹⁶ Ω·cm
Dielectric Strength
20-30 kV/mm
15 – 20 kV/mm
Surface Resistivity
—
10¹⁵ Ω
Chemical resistance
Acids
Good
—
Bases
Good
Good
Solvents
Good resistance to many organic solvents
—
UV Resistance
Poor (requires UV stabilizers)
Poor (unless stabilized)
Acids (dilute)
—
Good
Alcohols
—
Good
Oils & Greases
—
Fair
Gasoline
—
Poor
Acetone
—
Attacks / dissolves
Weathering
—
Poor without stabilizers
Sustainability
Recyclability
Highly Recyclable
Recyclable (mechanical)
Recycling Code
5 (PP)
7 (Other)
Carbon Footprint
Lower than virgin PP homopolymer
~3.1 kg CO₂e / kg
Bio-based Content
—
0 %