Comparison
PPS Mineral Filled vs PETG
A side-by-side comparison of Polyphenylene Sulfide, Mineral Filled and Polyethylene Terephthalate Glycol.
Physical
Density
1.50-1.60 g/cm³
1.27 g/cm³
Water Absorption (24h)
0.01-0.05 %
0.13 %
Transparency
Opaque
Transparent
Shrinkage
0.1-0.3 %
0.2 – 0.5 %
Mechanical
Young's Modulus
8-12 GPa
2.1 GPa
Tensile Strength
70-90 MPa
50 MPa
Elongation at Break
2-5 %
120 %
Impact Strength (Izod)
4-8 kJ/m
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
100-120 °C
80 °C
Melting Point
275-285 °C
—
Continuous Service Temperature
200-240 °C
65 °C
Heat Deflection Temperature
230-260 °C (1.8 MPa)
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
3.0-3.5
3.3
Volume Resistivity
10^12-10^14 Ohm-cm
10¹⁴ Ω·cm
Dielectric Strength
15-20 kV/mm
—
Chemical resistance
Acids
Excellent
Good
Bases
Excellent
Fair
Solvents
Excellent
—
UV Resistance
Good
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Recyclable (difficult processing)
Recyclable
Recycling Code
7 (Other)
1
Carbon Footprint
High
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %