Comparison
PPO/PPE Mineral Filled vs PETG
A side-by-side comparison of Polyphenylene Oxide / Polyphenylene Ether, Mineral Filled and Polyethylene Terephthalate Glycol.
Physical
Density
1.10-1.20 g/cm³
1.27 g/cm³
Water Absorption (24h)
0.05-0.15 %
0.13 %
Transparency
Opaque
Transparent
Shrinkage
0.3-0.5 %
0.2 – 0.5 %
Mechanical
Young's Modulus
2.5-3.5 GPa
2.1 GPa
Tensile Strength
55-75 MPa
50 MPa
Elongation at Break
20-50 %
120 %
Impact Strength (Izod)
30-60 kJ/m
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
100-120 °C
80 °C
Melting Point
N/A (amorphous)
—
Continuous Service Temperature
80-130 °C
65 °C
Heat Deflection Temperature
100-130 °C (1.8 MPa)
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
2.5-2.8
3.3
Volume Resistivity
10^14-10^16 Ohm-cm
10¹⁴ Ω·cm
Dielectric Strength
18-24 kV/mm
—
Chemical resistance
Acids
Good
Good
Bases
Good
Fair
Solvents
Fair
—
UV Resistance
Fair
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Recyclable
Recyclable
Recycling Code
7 (Other)
1
Carbon Footprint
Moderate
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %