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PA12 HP PA 12 vs PA12 Sinterit PA12 Smooth

Polymer · PA12 grade comparison

HP 3D High Reusability PA 12 (enabled by Evonik) and Sinterit PA12 Smooth are two grades of the same polymer grade, PA12: HP PA 12 versus Sinterit PA12 Smooth. The chemistry is identical, so every difference below comes from the condition. HP 3D High Reusability PA 12 (enabled by Evonik) is the stronger of the two: tensile strength 48 MPa (6.96 ksi) against 38.44 MPa (5.58 ksi) for Sinterit PA12 Smooth, about 25% more. HP 3D High Reusability PA 12 (enabled by Evonik) is the more ductile: elongation 20% versus 4.55% for Sinterit PA12 Smooth. Sinterit PA12 Smooth is lighter (0.95 g/cm³ vs 1.01 g/cm³ for HP 3D High Reusability PA 12 (enabled by Evonik)) and HP 3D High Reusability PA 12 (enabled by Evonik) is stiffer (1.7 GPa vs 1.572 GPa).

HP 3D High Reusability PA 12 (enabled by Evonik)Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

Sinterit PA12 SmoothChoose it when weight is the constraint.

HP 3D High Reusability PA 12 (enabled by Evonik) vs Sinterit PA12 Smooth: properties

HP 3D High Reusability PA 12 (enabled by Evonik)Sinterit PA12 Smooth

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

48 MPa7 ksi
38 MPa5.6 ksi

Elastic (Young's) Modulus

1.7 GPa0.25 Msi
1.6 GPa0.23 Msi

Elongation at Break

20%
4.6%

Flexural Strength

65 MPa9.4 ksi
49 MPa7.1 ksi

Flexural Modulus

1.73 GPa0.25 Msi
1.38 GPa0.2 Msi

Charpy Impact, Notched (ISO 179)

3.5 kJ/m²1.7 ft·lbf/in²
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Charpy Impact, Unnotched (ISO 179)

—
11.91 kJ/m²5.67 ft·lbf/in²

Hardness, Shore D

—
76 Shore D

Physical

Density and transition temperatures.

Density

1.01 g/cm³0.04 lb/in³
0.95 g/cm³0.03 lb/in³

Melting Temperature (Tm)

187°C369 °F
185°C365 °F

Water Absorption (24 h)

—
0.36%

Thermal

How each material carries heat and how hot it can run.

Heat Deflection Temp. @ 0.45 MPa

175°C347 °F
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Heat Deflection Temp. @ 1.8 MPa

95°C203 °F
50°C122 °F

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Powder Particle Size (D50)

60 µm
38 µm

Powder Bulk Density

0.425 g/cm³0.015 lb/in³
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Strength versus weight

Yield strength against density for every polymer grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

0.1110100123Density (g/cm³)Yield strength (MPa) — log scalePA12

HP 3D High Reusability PA 12 (enabled by Evonik) vs Sinterit PA12 Smooth — frequently asked

Is HP 3D High Reusability PA 12 (enabled by Evonik) stronger than Sinterit PA12 Smooth?

Yes. HP 3D High Reusability PA 12 (enabled by Evonik) has a typical tensile strength of 48 MPa (6.96 ksi) against 38.44 MPa (5.58 ksi) for Sinterit PA12 Smooth — about 25% more.

Which grade does FabDigit quote by default, HP PA 12 or Sinterit PA12 Smooth?

Specify the condition in the material field or the drawing note; FabDigit prices the quote for the state you call out.

When should I choose HP 3D High Reusability PA 12 (enabled by Evonik) over Sinterit PA12 Smooth?

Pick HP 3D High Reusability PA 12 (enabled by Evonik) when strength drives the design, or when the part is bent, formed or impact-loaded. Pick Sinterit PA12 Smooth when weight is the constraint.

Ready to make it?

Upload a CAD file and FabDigit prices the part in HP 3D High Reusability PA 12 (enabled by Evonik) and Sinterit PA12 Smooth side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.