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PA11 HP PA 11 vs PA11 Sinterit PA11 Onyx

Polymer · PA11 grade comparison

HP 3D High Reusability PA 11 and Sinterit PA11 Onyx are two grades of the same polymer grade, PA11: HP PA 11 versus Sinterit PA11 Onyx. The chemistry is identical, so every difference below comes from the condition. Sinterit PA11 Onyx is the stronger of the two: tensile strength 55 MPa (7.98 ksi) against 52 MPa (7.54 ksi) for HP 3D High Reusability PA 11, about 6% more. In exchange, HP 3D High Reusability PA 11 is the more ductile: elongation 50% versus 31.6% for Sinterit PA11 Onyx, and HP 3D High Reusability PA 11 is harder (80 Shore D vs 76 Shore D). HP 3D High Reusability PA 11 is stiffer (1.8 GPa vs 1.68 GPa).

HP 3D High Reusability PA 11Choose it when the part is bent, formed or impact-loaded.

Sinterit PA11 OnyxChoose it when strength drives the design.

HP 3D High Reusability PA 11 vs Sinterit PA11 Onyx: properties

HP 3D High Reusability PA 11Sinterit PA11 Onyx

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

52 MPa7.5 ksi
55 MPa8 ksi

Elastic (Young's) Modulus

1.8 GPa0.26 Msi
1.7 GPa0.24 Msi

Elongation at Break

50%
31.6%

Flexural Strength

70 MPa10.2 ksi
54 MPa7.9 ksi

Flexural Modulus

1.8 GPa0.26 Msi
1.3 GPa0.19 Msi

Charpy Impact, Notched (ISO 179)

5 kJ/m²2.4 ft·lbf/in²
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Hardness, Shore D

80 Shore D
76 Shore D

Charpy Impact, Unnotched (ISO 179)

—
179 kJ/m²85.2 ft·lbf/in²

Physical

Density and transition temperatures.

Density

1.05 g/cm³0.04 lb/in³
1.03 g/cm³0.04 lb/in³

Melting Temperature (Tm)

202°C396 °F
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Water Absorption (24 h)

—
0.5%

Thermal

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

Heat Deflection Temp. @ 0.45 MPa

185°C365 °F
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Heat Deflection Temp. @ 1.8 MPa

54°C129 °F
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Manufacturability

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

Powder Particle Size (D50)

54 µm
40 µm

Powder Bulk Density

0.48 g/cm³0.017 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 scalePA11

HP 3D High Reusability PA 11 vs Sinterit PA11 Onyx — frequently asked

Is Sinterit PA11 Onyx stronger than HP 3D High Reusability PA 11?

Yes. Sinterit PA11 Onyx has a typical tensile strength of 55 MPa (7.98 ksi) against 52 MPa (7.54 ksi) for HP 3D High Reusability PA 11 — about 6% more.

Which grade does FabDigit quote by default, HP PA 11 or Sinterit PA11 Onyx?

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 11 over Sinterit PA11 Onyx?

Pick HP 3D High Reusability PA 11 when the part is bent, formed or impact-loaded. Pick Sinterit PA11 Onyx when strength drives the design.

Ready to make it?

Upload a CAD file and FabDigit prices the part in HP 3D High Reusability PA 11 and Sinterit PA11 Onyx 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.