Thermal conductivity against densityHigher and further left: spreads more heat for its weightThermal expansion against thermal conductivityLower and further right: warps less when heated
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SUMIKASUPER LCP Technical Note, Version 04 (2023)Sumitomo Chemicalarchived copyPlastic LCP GF30 · Ultimate tensile strength: tensile strength (ISO 527)Plastic LCP GF30 · Flexural strength: typical (ISO 178)Plastic LCP GF30 · Elongation at break: tensile elongation (ISO 527)Plastic LCP GF30 · Young's modulus (stiffness): tensile modulus (ISO 527)Plastic LCP GF30 · Density: typicalPlastic LCP GF30 · Thermal conductivity: hot disk (ISO 22007-2), temperature not statedPlastic LCP GF30 · Thermal expansion: flow direction (MD), mean 50-150 °CPlastic LCP GF30 · Specific heat: ASTM E1269, temperature not statedPlastic LCP GF30 · Max service temperature: HDT 1.8 MPa (ISO 75)
3
Engineering 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)
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 LCP GF30?
Plastic LCP GF30 is stronger: its tensile strength is 115 MPa against yield strength 45 MPa for Plastic ABS (bulk/injection) (2.56x).
Which is lighter, Plastic ABS (bulk/injection) or Plastic LCP GF30?
Plastic ABS (bulk/injection) is lighter: 1,040 kg/m³ against 1,610 kg/m³ for Plastic LCP GF30.
Which is stiffer, Plastic ABS (bulk/injection) or Plastic LCP GF30?
Plastic LCP GF30 is stiffer: Young's modulus 11.5 GPa against 2.3 GPa for Plastic ABS (bulk/injection), so the same part in Plastic LCP GF30 deflects less under the same load.
Which is lighter for the same job, Plastic ABS (bulk/injection) or Plastic LCP GF30?
For the same stiffness or strength: Plastic LCP GF30 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 LCP GF30
Stiff rod or tie (tension)
3.23x heavier
lighter
Stiff beam (bending)
44% heavier
lighter
Stiff panel or plate
10% heavier
lighter
Strong rod or tie
1.65x heavier
lighter
Strong beam
21% heavier
lighter
Strong panel or plate
3% 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 LCP GF30?
Plastic ABS (bulk/injection) stretches further before it breaks: 10% elongation at break against 1.5% for Plastic LCP GF30.
Thermal
Which handles higher temperatures, Plastic ABS (bulk/injection) or Plastic LCP GF30?
Plastic LCP GF30 does: 288 °C against 94 °C for Plastic ABS (bulk/injection).
Which conducts heat better, Plastic ABS (bulk/injection) or Plastic LCP GF30?
Plastic LCP GF30 conducts heat better: 0.5 W/m·K against 0.17 W/m·K for Plastic ABS (bulk/injection).
Which expands less with temperature?
Plastic LCP GF30 expands less: 20 µm/m·K against 95 µm/m·K for Plastic ABS (bulk/injection).