Materials / Plastic
Plastic PPS GF40
Plastic PPS GF40 (Fortron 1140L4) strength, stiffness, density and thermal properties, with their source.
A bracket in Plastic PPS GF40, smooth finish.
| Process | Bulk polymer (molded or machined) |
|---|---|
| Mechanical | |
| Yield strength | not given (tensile used) |
| Ultimate tensile strength | 195MPasourcetensile strength, 5 mm/min |
| Flexural strength | 285MPasourceflexural strength at break |
| Elongation at break | 1.9%sourcestrain at break, 5 mm/min |
| Young's modulus (stiffness) | 14.7GPasourcetypical, 1 mm/min |
| Density | 1,650kg/m³sourcetypical |
| Strength to weight | 118kN·m/kg |
| Stiffness to weight | 8.91MN·m/kg |
| Poisson's ratio | 0.35sourceglass-reinforced Fortron PPS (class value, not grade-specific) |
| Shear modulus | 5.44GPa |
| Bulk modulus | 16.3GPa |
| Speed of sound | 2,985m/s |
| Thermal | |
| Thermal conductivity | 0.2W/m·Ksource40% glass-reinforced Fortron, 25 °C (not grade-specific) |
| Thermal expansion | 12µm/m·Ksourceparallel (flow), mean -50 to 90 °C |
| 100 mm part over a 50 °C swing | 60µm growth |
| Specific heat | not sourced |
| Heats up and cools (diffusivity) | not sourced |
| Thermal shock resistance | 144W/m |
| Melting point | 280°CsourceDSC, 10 °C/min |
| Glass transition | 90°CsourceDSC, 10 °C/min |
| Max service temperature | 270°CsourceHDT 1.8 MPa |
| Values for | Celanese Fortron 1140L4 (PPS, 40% glass fibre), injection moulding; FORTRON PPS Short-Term Properties Guide (PPS-012, 2016); thermal conductivity and Poisson for 40% glass-reinforced Fortron from the Fortron PPS Design Manual (PPS-050, 2013). |
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