Comparison

HIPS/PPE Blend vs PETG

A side-by-side comparison of High Impact Polystyrene / Polyphenylene Ether Blend and Polyethylene Terephthalate Glycol.

Property

HIPS/PPE Blend

PETG

Physical

Density

1.05-1.10 g/cm³

1.27 g/cm³

Water Absorption (24h)

0.1-0.2 %

0.13 %

Transparency

Opaque

Transparent

Shrinkage

0.4-0.7 %

0.2 – 0.5 %

Mechanical

Young's Modulus

1.8-2.5 GPa

2.1 GPa

Tensile Strength

40-55 MPa

50 MPa

Elongation at Break

30-60 %

120 %

Impact Strength (Izod)

40-70 kJ/m

100 J/m

Flexural Strength

—

70 MPa

Thermal

Glass Transition Temperature

80-100 °C

80 °C

Melting Point

N/A (amorphous)

—

Continuous Service Temperature

60-80 °C

65 °C

Heat Deflection Temperature

70-90 °C (1.8 MPa)

70 °C

CTE

—

68 × 10⁻⁶ /K

Electrical

Dielectric Constant

2.6-3.0

3.3

Volume Resistivity

10^14-10^16 Ohm-cm

10¹⁴ Ω·cm

Dielectric Strength

18-22 kV/mm

—

Chemical resistance

Acids

Good

Bases

Good

Fair

Solvents

Fair

—

UV Resistance

Poor

Fair

Alcohols

—

Good

Oils

—

Good

Sustainability

Recyclability

Recyclable

Recycling Code

7 (Other)

Carbon Footprint

Moderate

~2.7 kg CO₂e / kg

Bio-based Content

—

0 %