FDM PAHT-CF vs. Plastic ABS

Compare FDM PAHT-CF vs. Plastic ABS strength, stiffness, weight and thermal properties.

Mechanical	FDM PAHT-CF	Plastic ABS
Yield strength	not given (tensile used)	38.1MPa1
Ultimate tensile strength	92MPa22.41x stronger	38.1MPa1
Flexural strength	125MPa22.05x stronger in bending	61.1MPa1
Elongation at break	8.4%21.83x more ductile	4.6%1
Young's modulus (stiffness)	3.86GPa21.97x stiffer	1.96GPa1
Density	1,060kg/m³2	1,100kg/m³1
Strength to weight	86.8kN·m/kg2.51x higher	34.6kN·m/kg
Stiffness to weight	3.64MN·m/kg2.04x higher	1.78MN·m/kg
Poisson's ratio	not sourced	base material0.393
Shear modulus	not sourced	0.706GPa
Bulk modulus	not sourced	2.97GPa
Speed of sound	1,908m/s43% faster	1,336m/s

Stiffness against densityHigher and further left: stiffer for its weight

Strength against densityHigher and further left: stronger for its weight

Thermal	FDM PAHT-CF	Plastic ABS
Thermal conductivity	not sourced	base material0.17W/m·K4
Thermal expansion	not sourced	base material80–110µm/m·K4
100 mm part over a 50 °C swing	not sourced	475µm growth
Specific heat	not sourced	not sourced
Heats up and cools (diffusivity)	not sourced	not sourced
Thermal shock resistance	not sourced	21.2W/m
Melting point	225°C2	not sourced
Glass transition	70°C2	101°C130.5 °C higher
Max service temperature	HDT 1.8 MPa170°C2	HDT 0.455 MPa86.6°C1

Thermal conductivity against densityHigher and further left: spreads more heat for its weight

Thermal expansion against thermal conductivityLower and further right: warps less when heated

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Sources4 documents: UltiMaker, Bambu Lab, Covestro, INEOS Styrolution

FDM PAHT-CF: Bambu Lab PAHT-CF, TDS V3.0, printed specimens X-Y, dry state; nozzle 290 °C, bed 100 °C, 100 mm/s, 100% infill; annealed and dried 80 °C for 12 h before testing.
Plastic ABS: Ultimaker ABS, 3D-printed specimens, XY (flat); Ultimaker S5 Pro, engineering intent profile, 0.15 mm layer height, AA 0.4 print core, 100% infill, Cura 4.9, printed one-at-a-time, conditioned >=24 h at room temperature. TDS v5.00, April 20, 2022.

1
Ultimaker ABS Technical Data Sheet, v5.00UltiMakerarchived copyPlastic ABS · Yield strength: typicalPlastic ABS · Ultimate tensile strength: typical, peak stress (= stress at yield)Plastic ABS · Flexural strength: typicalPlastic ABS · Elongation at break: typicalPlastic ABS · Young's modulus (stiffness): typicalPlastic ABS · Density: typicalPlastic ABS · Glass transition: typicalPlastic ABS · Max service temperature: HDT 0.455 MPa (printed specimens)
2
Bambu PAHT-CF Technical Data Sheet, V3.0Bambu LabFDM PAHT-CF · Ultimate tensile strength: typicalFDM PAHT-CF · Flexural strength: typicalFDM PAHT-CF · Elongation at break: typicalFDM PAHT-CF · Young's modulus (stiffness): typicalFDM PAHT-CF · Density: typicalFDM PAHT-CF · Melting point: typicalFDM PAHT-CF · Glass transition: typicalFDM PAHT-CF · Max service temperature: HDT 1.8 MPa
3
Engineering Polymers Part and Mold Design: Thermoplastics, A Design GuideCovestroarchived copyPlastic ABS · Poisson's ratio: base material: ABS family typical (Covestro Part and Mold Design guide, Table 3-1)
4
Terluran GP-22 (ABS) Product Data SheetINEOS StyrolutionPlastic ABS · Thermal conductivity: base material: INEOS Styrolution Terluran GP-22 injection-molding ABS, typicalPlastic ABS · Thermal expansion: base material: INEOS Styrolution Terluran GP-22 injection-molding ABS, range

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.

FDM PAHT-CF and Plastic ABS are 3D printed: their properties depend on build direction and print settings; these are typical values.

Questions

Mechanical

Is FDM PAHT-CF stronger than Plastic ABS?

FDM PAHT-CF is stronger: its tensile strength is 92 MPa against yield strength 38.1 MPa for Plastic ABS (2.41x).

Which is lighter, FDM PAHT-CF or Plastic ABS?

FDM PAHT-CF is lighter: 1,060 kg/m³ against 1,100 kg/m³ for Plastic ABS.

Which is stiffer, FDM PAHT-CF or Plastic ABS?

FDM PAHT-CF is stiffer: Young's modulus 3.86 GPa against 1.96 GPa for Plastic ABS, so the same part in FDM PAHT-CF deflects less under the same load.

Which is lighter for the same job, FDM PAHT-CF or Plastic ABS?

For the same stiffness or strength: FDM PAHT-CF 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	FDM PAHT-CF	Plastic ABS
Stiff rod or tie (tension)	lighter	2.04x heavier
Stiff beam (bending)	lighter	46% heavier
Stiff panel or plate	lighter	30% heavier
Strong rod or tie	lighter	2.51x heavier
Strong beam	lighter	1.87x heavier
Strong panel or plate	lighter	1.61x heavier

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, FDM PAHT-CF or Plastic ABS?

FDM PAHT-CF stretches further before it breaks: 8.4% elongation at break against 4.6% for Plastic ABS.