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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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.
SLA Resin Standard
Formlabs Clear Resin V5 (FLGPCL05), TDS Rev. 01 March 20, 2024; printed on Form 4 at 100 µm, washed 5 min in >=99% IPA, post-cured 15 min at 60 °C in Form Cure. Orientation not stated.
Clear Resin V5 Technical Data Sheet (2024)Formlabsarchived copySLA Resin Standard · Ultimate tensile strength: typicalSLA Resin Standard · Flexural strength: typicalSLA Resin Standard · Elongation at break: typicalSLA Resin Standard · Young's modulus (stiffness): typicalSLA Resin Standard · Max service temperature: HDT 1.8 MPa
3
Clear Resin V5 Technical Data Sheet (web edition)FormlabsSLA Resin Standard · Density: typical, post-cured (same for 5 min ambient and 15 min at 60 °C), ASTM D792
4
Thermal Properties of Selected Formlabs SLA ResinsFormlabsSLA Resin Standard · Thermal conductivity: typical, post-cured, ASTM E1530SLA Resin Standard · Thermal expansion: mean -30 to 140 °C, post-cured (5 min ambient cure), TMA ASTM E831SLA Resin Standard · Specific heat: typical, 25 °C, post-cured (5 min ambient cure), DSC ASTM E1269
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 SLA Resin Standard are 3D printed: their properties depend on build direction and print settings; these are typical values.
Questions
Mechanical
Is FDM PAHT-CF stronger than SLA Resin Standard?
FDM PAHT-CF is stronger: its tensile strength is 92 MPa against 60 MPa for SLA Resin Standard (1.53x).
Which is lighter, FDM PAHT-CF or SLA Resin Standard?
FDM PAHT-CF is lighter: 1,060 kg/m³ against 1,210 kg/m³ for SLA Resin Standard.
Which is stiffer, FDM PAHT-CF or SLA Resin Standard?
FDM PAHT-CF is stiffer: Young's modulus 3.86 GPa against 2.75 GPa for SLA Resin Standard, 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 SLA Resin Standard?
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
SLA Resin Standard
Stiff rod or tie (tension)
lighter
1.6x heavier
Stiff beam (bending)
lighter
35% heavier
Stiff panel or plate
lighter
28% heavier
Strong rod or tie
lighter
1.75x heavier
Strong beam
lighter
1.52x heavier
Strong panel or plate
lighter
41% 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).
Thermal
Which handles higher temperatures, FDM PAHT-CF or SLA Resin Standard?
FDM PAHT-CF does: 170 °C against 59 °C for SLA Resin Standard, both HDT 1.8 MPa.