Comparison

PPO/PPE Standard vs PETG

A side-by-side comparison of Polyphenylene Oxide / Polyphenylene Ether Standard and Polyethylene Terephthalate Glycol.

Property

PPO/PPE Standard

PETG

Physical

Density

1.05-1.15 g/cm³

1.27 g/cm³

Water Absorption (24h)

0.05-0.1 %

0.13 %

Transparency

Opaque

Transparent

Shrinkage

0.5-1.0 %

0.2 – 0.5 %

Mechanical

Young's Modulus

2.0-3.0 GPa

2.1 GPa

Tensile Strength

50-70 MPa

50 MPa

Elongation at Break

50-100 %

120 %

Impact Strength (Izod)

40-70 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

90-120 °C (1.8 MPa)

70 °C

CTE

—

68 × 10⁻⁶ /K

Electrical

Dielectric Constant

2.5-2.8

3.3

Volume Resistivity

10^15-10^17 Ohm-cm

10¹⁴ Ω·cm

Dielectric Strength

18-25 kV/mm

—

Chemical resistance

Acids

Good

Bases

Good

Fair

Solvents

Fair (aromatics, chlorinated hydrocarbons)

—

UV Resistance

Fair

Alcohols

—

Good

Oils

—

Good

Sustainability

Recyclability

Recyclable

Recycling Code

7 (Other)

Carbon Footprint

Moderate

~2.7 kg CO₂e / kg

Bio-based Content

—

0 %