Materials / Compare
Plastic ABS (bulk/injection) vs. Plastic PPS GF40
Compare Plastic ABS (bulk/injection) vs. Plastic PPS GF40 strength, stiffness, weight and thermal properties.
| Mechanical | Plastic ABS (bulk/injection) | Plastic PPS GF40 |
|---|---|---|
| Yield strength | 45MPa1 | not given (tensile used) |
| Ultimate tensile strength | not stated (yield given) | tensile strength195MPa2 |
| Flexural strength | 65MPa1 | 285MPa2 |
| Elongation at break | 10%15.26x more ductile | strain at break1.9%2 |
| Young's modulus (stiffness) | 2.3GPa1 | 14.7GPa26.39x stiffer |
| Density | 1,040kg/m³11.59x lighter | 1,650kg/m³2 |
| Strength to weight | 43.3kN·m/kg | 118kN·m/kg2.73x higher |
| Stiffness to weight | 2.21MN·m/kg | 8.91MN·m/kg4.03x higher |
| Poisson's ratio | 0.393 | 0.354 |
| Shear modulus | 0.827GPa | 5.44GPa6.58x stiffer in shear |
| Bulk modulus | 3.48GPa | 16.3GPa4.69x higher |
| Speed of sound | 1,487m/s | 2,985m/s2.01x faster |
| Thermal | Plastic ABS (bulk/injection) | Plastic PPS GF40 |
|---|---|---|
| Thermal conductivity | 0.17W/m·K1 | 0.2W/m·K418% more heat through a fin |
| Thermal expansion | range80–110µm/m·K1 | parallel12µm/m·K2 |
| 100 mm part over a 50 °C swing | 475µm growth | 60µm growth7.92x less |
| Specific heat | not sourced | not sourced |
| Heats up and cools (diffusivity) | not sourced | not sourced |
| Thermal shock resistance | 21.4W/m | 144W/m6.73x more resistant |
| Melting point | not sourced | DSC280°C2 |
| Glass transition | not sourced | DSC90°C2 |
| Max service temperature | HDT 1.8 MPa94°C1 | HDT 1.8 MPa270°C2176 °C hotter |
| Try it on a partA bracket to run stress or thermal on, free in your browser | Open in LessCAD | Open in LessCAD |
|---|
Sources4 documents: INEOS Styrolution, Celanese, Covestro
- Plastic ABS (bulk/injection)
- INEOS Styrolution Terluran GP-22 general-purpose injection-molding ABS, ISO typical values (TDS revision 08/01/2022)
- Plastic PPS GF40
- 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).
- 1Terluran GP-22 (ABS) Product Data SheetINEOS StyrolutionPlastic ABS (bulk/injection) · Yield strength: typical, tensile stress at yield 23 °CPlastic ABS (bulk/injection) · Flexural strength: typical, 23 °CPlastic ABS (bulk/injection) · Elongation at break: nominal strain at break, 23 °CPlastic ABS (bulk/injection) · Young's modulus (stiffness): typicalPlastic ABS (bulk/injection) · Density: typicalPlastic ABS (bulk/injection) · Thermal conductivity: typicalPlastic ABS (bulk/injection) · Thermal expansion: rangePlastic ABS (bulk/injection) · Max service temperature: HDT 1.8 MPa (annealed 4 h/80 °C)
- 2Fortron PPS Short-Term Properties Guide (PPS-012)CelanesePlastic PPS GF40 · Ultimate tensile strength: tensile strength, 5 mm/minPlastic PPS GF40 · Flexural strength: flexural strength at breakPlastic PPS GF40 · Elongation at break: strain at break, 5 mm/minPlastic PPS GF40 · Young's modulus (stiffness): typical, 1 mm/minPlastic PPS GF40 · Density: typicalPlastic PPS GF40 · Thermal expansion: parallel (flow), mean -50 to 90 °CPlastic PPS GF40 · Melting point: DSC, 10 °C/minPlastic PPS GF40 · Glass transition: DSC, 10 °C/minPlastic PPS GF40 · Max service temperature: HDT 1.8 MPa
- 3Engineering Polymers Part and Mold Design: Thermoplastics, A Design GuideCovestroarchived copyPlastic ABS (bulk/injection) · Poisson's ratio: typical, ABS family (Covestro Part and Mold Design guide, Table 3-1)
- 4Fortron PPS Design Manual (PPS-050)CelanesePlastic PPS GF40 · Poisson's ratio: glass-reinforced Fortron PPS (class value, not grade-specific)Plastic PPS GF40 · Thermal conductivity: 40% glass-reinforced Fortron, 25 °C (not grade-specific)
Each number points to the document that states it, with the exact basis. Values without a number are computed from the sourced ones. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.
Questions
Mechanical
Is Plastic ABS (bulk/injection) stronger than Plastic PPS GF40?
Plastic PPS GF40 is stronger: its tensile strength is 195 MPa against yield strength 45 MPa for Plastic ABS (bulk/injection) (4.33x).
Which is lighter, Plastic ABS (bulk/injection) or Plastic PPS GF40?
Plastic ABS (bulk/injection) is lighter: 1,040 kg/m³ against 1,650 kg/m³ for Plastic PPS GF40.
Which is stiffer, Plastic ABS (bulk/injection) or Plastic PPS GF40?
Plastic PPS GF40 is stiffer: Young's modulus 14.7 GPa against 2.3 GPa for Plastic ABS (bulk/injection), so the same part in Plastic PPS GF40 deflects less under the same load.
Which is lighter for the same job, Plastic ABS (bulk/injection) or Plastic PPS GF40?
For the same stiffness or strength: Plastic PPS GF40 is lighter for a stiff rod or tie (tension), stiff beam (bending), stiff panel or plate, strong rod or tie, strong beam, strong panel or plate.
| Part that must be | Plastic ABS (bulk/injection) | Plastic PPS GF40 |
|---|---|---|
| Stiff rod or tie (tension) | 4.03x heavier | lighter |
| Stiff beam (bending) | 1.59x heavier | lighter |
| Stiff panel or plate | 17% heavier | lighter |
| Strong rod or tie | 2.73x heavier | lighter |
| Strong beam | 1.68x heavier | lighter |
| Strong panel or plate | 31% heavier | lighter |
For the same stiffness or strength, mass scales with density over stiffness (or strength) raised to a power set by how the part is loaded: 1 for a rod in tension, 1/2 for a beam in bending, 1/3 for a panel (the standard material-selection indices).
Which is more ductile, Plastic ABS (bulk/injection) or Plastic PPS GF40?
Plastic ABS (bulk/injection) stretches further before it breaks: 10% elongation at break against 1.9% for Plastic PPS GF40.
Thermal
Which handles higher temperatures, Plastic ABS (bulk/injection) or Plastic PPS GF40?
Plastic PPS GF40 does: 270 °C against 94 °C for Plastic ABS (bulk/injection).
Which conducts heat better, Plastic ABS (bulk/injection) or Plastic PPS GF40?
Plastic PPS GF40 conducts heat better: 0.2 W/m·K against 0.17 W/m·K for Plastic ABS (bulk/injection).
Which expands less with temperature?
Plastic PPS GF40 expands less: 12 µm/m·K against 95 µm/m·K for Plastic ABS (bulk/injection).
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