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MATERIALSSLS · Fuse 1+ 30WNylon 11 Powder

PA11

Ductile polyamide for snap fits, hinges and parts exposed to impact.

We consider PA11 for hinges, snap fits and housings exposed to impact. Notched Izod impact strength of 71 J/m and elongation at break of 40% in X/Y are specimen results. Availability, geometry and production conditions are confirmed during quotation.

Manufacturer datasheet (PDF)
material datasheet: PA11
PA11 samplesFormlabs promotional material

Powder handling and quotation

refresh rate
30% in nitrogen · 50% in air
The share of fresh powder added to each build. It determines the variable material cost more directly than the listed price of a powder bag.
build chamber atmosphere
recommended nitrogen
Where the manufacturer permits printing a nitrogen-grade powder in air, we use a higher refresh rate and include it in the quotation.
individual quotation
reviewed quote
A technologist will confirm the price, powder availability and lead time after reviewing the model and quantity.

We print mainly in PA12. Switching to PA11 or TPU 90A requires thorough cleaning of the chamber to remove the previous powder.

When to use this material and when to avoid it

+ Choose it when

  • Notched Izod impact strength of 71 J/m (ASTM D256-10), compared with 32 J/m for PA12 specimens.
  • Elongation at break of 40% in X/Y (ASTM D638-14 Type 1); flexing-part durability also depends on design and orientation.
  • Water absorption of 0.07% (ASTM D570), lower than 0.66% for PA12 specimens.
  • HDT 182 °C at 0.45 MPa is a result at the lower test stress, not a part's service temperature.

− Avoid it when

  • Tensile modulus of 1.6 GPa versus 1.85 GPa for PA12. Part deformation is assessed with its load, duration and geometry.
  • HDT of 46 °C at 1.8 MPa is a specimen deflection result, not an allowable service temperature.
  • In air, refresh rate increases to 50%, which realistically raises variable costs.
  • There is no automatic calculator rate yet; we prepare an individual quotation within 24 working hours.

Keep this datasheet for your records: the print version contains the material values and test standards without navigation or calls to action.

Mechanical properties

Values with test standards

Formlabs Nylon 11 Powder TDS (2101560)

Scroll the table sideways to see the remaining columns.

Mechanical properties of PA11
PropertyValueTest standard
Tensile Strength49 MPaASTM D638-14 Type 1
Modulus of Elasticity in Tension1.6 GPaASTM D638-14 Type 1
Elongation at Break40%X/YASTM D638-14 Type 1
Flexural Strength55 MPaASTM D790-15
Flexural modulus1.4 GPaASTM D790-15
Izod impact strength, notched71 J/mASTM D256-10

X/Y is the powder spreading plane, Z is the build direction. The difference between axes is not a measurement error but a process characteristic. How we choose build orientation.

Thermal and physical properties

Temperature and moisture

Scroll the table sideways to see the remaining columns.

Thermal properties of PA11
PropertyValueTest standard
HDT at 1.8 MPa46 °CASTM D648-16
HDT at 0.45 MPa182 °CASTM D648-16
Water absorption (part)0.07%ASTM D570

HDT is the temperature at which a test specimen reaches a specified deflection, not a part's allowable continuous service temperature. 0.45 MPa and 1.8 MPa are two test stresses; the lower value does not mean no load. For material selection, tell us the temperature, exposure time, load and mounting method.

PA12 and PA11: samples conditioned for 7 days at 50% relative humidity and 23 °C, per manufacturer datasheets. The TPU 90A datasheet does not state the same conditioning protocol. Results depend on geometry, orientation, temperature and humidity; they describe test specimens, not guaranteed part properties.

Compare another powder

Sources: Formlabs Nylon 11 Powder TDS (2101560). The manufacturer PDF is linked below. We do not accept medical devices or safety-critical parts. Specimen biocompatibility data describes the material in manufacturer tests, not the compliance of a finished product.

Manufacturer datasheet (PDF)

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