FDM PAHT-CF vs. Plastic PPS GF40

Compare FDM PAHT-CF vs. Plastic PPS GF40 strength, stiffness, weight and thermal properties.

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Plastic PPS GF40Bulk polymer (molded or machined)

Mechanical
Try it on a partA bracket to run stress or thermal on, free in your browser	Open in LessCAD	Open in LessCAD
Yield strength	not given (tensile used)	not given (tensile used)
Ultimate tensile strength	92MPasourcetypical	195MPasourcetensile strength, 5 mm/min
Flexural strength	125MPasourcetypical	285MPasourceflexural strength at break
Elongation at break	8.4%sourcetypical	1.9%sourcestrain at break, 5 mm/min
Young's modulus (stiffness)	3.86GPasourcetypical	14.7GPasourcetypical, 1 mm/min
Density	1,060kg/m³sourcetypical1.56x lighter	1,650kg/m³sourcetypical
Strength to weight	86.8kN·m/kg	118kN·m/kg36% higher
Stiffness to weight	3.64MN·m/kg	8.91MN·m/kg2.45x higher
Poisson's ratio	not sourced	0.35sourceglass-reinforced Fortron PPS (class value, not grade-specific)
Shear modulus	not sourced	5.44GPa
Bulk modulus	not sourced	16.3GPa
Speed of sound	1,908m/s	2,985m/s
Thermal
Thermal conductivity	not sourced	0.2W/m·Ksource40% glass-reinforced Fortron, 25 °C (not grade-specific)
Thermal expansion	not sourced	12µm/m·Ksourceparallel (flow), mean -50 to 90 °C
100 mm part over a 50 °C swing	not sourced	60µm growth
Specific heat	not sourced	not sourced
Heats up and cools (diffusivity)	not sourced	not sourced
Thermal shock resistance	not sourced	144W/m
Melting point	225°Csourcetypical	280°CsourceDSC, 10 °C/min
Glass transition	70°Csourcetypical	90°CsourceDSC, 10 °C/min
Max service temperature	170°CsourceHDT 1.8 MPa	270°CsourceHDT 1.8 MPa1.59x hotter
Values for	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.	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).

Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.

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

Questions

Is FDM PAHT-CF stronger than Plastic PPS GF40?

Plastic PPS GF40 is stronger: its tensile strength is 195 MPa against 92 MPa for FDM PAHT-CF (2.12x).

Which is lighter, FDM PAHT-CF or Plastic PPS GF40?

FDM PAHT-CF is lighter: 1,060 kg/m³ against 1,650 kg/m³ for Plastic PPS GF40.

Which is stiffer, FDM PAHT-CF or Plastic PPS GF40?

Plastic PPS GF40 is stiffer: Young's modulus 14.7 GPa against 3.86 GPa for FDM PAHT-CF, so the same part in Plastic PPS GF40 deflects less under the same load.

Which is lighter for the same job, FDM PAHT-CF or Plastic PPS GF40?

For the same stiffness or strength: FDM PAHT-CF is lighter for a strong panel or plate; Plastic PPS GF40 is lighter for a stiff rod or tie (tension), stiff beam (bending), strong rod or tie, strong beam.

Part that must be	FDM PAHT-CF	Plastic PPS GF40
Stiff rod or tie (tension)	2.45x heavier	lighter
Stiff beam (bending)	25% heavier	lighter
Stiff panel or plate	about equal	about equal
Strong rod or tie	36% heavier	lighter
Strong beam	6% heavier	lighter
Strong panel or plate	lighter	7% 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 handles higher temperatures, FDM PAHT-CF or Plastic PPS GF40?

Plastic PPS GF40 does: 270 °C against 170 °C for FDM PAHT-CF, both HDT 1.8 MPa.

Among 72 materials

Stiffness against density

Strength against density