Comparison

HIPS/PPE Blend vs PA66

A side-by-side comparison of High Impact Polystyrene / Polyphenylene Ether Blend and Polyamide 6,6 (Nylon).

Property

HIPS/PPE Blend

PA66

Physical

Density

1.05-1.10 g/cm³

1.14 g/cm³

Water Absorption (24h)

0.1-0.2 %

1.2 %

Transparency

Opaque

Shrinkage

0.4-0.7 %

1.5 – 2.0 %

Mechanical

Young's Modulus

1.8-2.5 GPa

3.0 GPa (dry)

Tensile Strength

40-55 MPa

80 MPa

Elongation at Break

30-60 %

60 %

Impact Strength (Izod)

40-70 kJ/m

50 J/m

Flexural Strength

—

110 MPa

Thermal

Glass Transition Temperature

80-100 °C

70 °C

Melting Point

N/A (amorphous)

255 – 265 °C

Continuous Service Temperature

60-80 °C

100 – 120 °C

Heat Deflection Temperature

70-90 °C (1.8 MPa)

75 °C (unfilled)

Electrical

Dielectric Constant

2.6-3.0

4.0

Volume Resistivity

10^14-10^16 Ohm-cm

10¹² Ω·cm

Dielectric Strength

18-22 kV/mm

—

Chemical resistance

Acids

Good

Poor

Bases

Good

Solvents

Fair

—

UV Resistance

Poor

Fair

Alcohols

—

Good

Oils & Fuels

—

Excellent

Sustainability

Recyclability

Recyclable

Recycling Code

7 (Other)

Carbon Footprint

Moderate

~7.4 kg CO₂e / kg

Bio-based Content

—

0 – 100 % (bio grades)