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Nylon 12 White PA12 White · SLS powder

PA12 White has mechanical properties close to grey PA12 and is used for parts that are on show or that need to be dyed in colour.
Get a quote in PA12 White
Powder
Blasted part

Nylon 12 White is also polyamide 12, but the powder is white. Mechanically it sits close to grey PA12, with 47 MPa tensile strength, a modulus of 1950 MPa and 8% elongation at break in X/Y. Parts come out white after blasting and, because the base is white, they can be immersion-dyed in almost any shade. Grey PA12 can only be dyed black.

We print it only on the Fuse 1+ 30W, in nitrogen. Formlabs recommends nitrogen because in air the powder yellows over time, and the white then drifts between batches.

Choose PA12 White for parts your customer sees, such as product housings, buttons, covers, presentation models or parts that have to match a brand colour. If the part is hidden inside an assembly, grey PA12 does the same job and prints faster.

Data sheet

PA12 White properties

These are typical values, measured by the manufacturer on SLS printed test specimens. How your part behaves also depends on its geometry and orientation in the chamber.

Tensile strength
47 MPaASTM D638-14 Type 1
Tensile modulus
1950 MPaASTM D638-14 Type 1
Elongation at break (X/Y)
8%ASTM D638-14 Type 1
Elongation at break (Z)
6%ASTM D638-14 Type 1
Flexural modulus
1500 MPaASTM D790-17
Notched Izod impact
28 J/mASTM D256-10
HDT at 0.45 MPa
177 °CASTM D648-16
HDT at 1.8 MPa
87 °CASTM D648-16
Fresh powder per build
30%refresh rate; the rest is recovered powder

Source: Formlabs, Nylon 12 White Powder technical data sheet (TDS)

Colours

Colours for PA12 White

You choose the colour in the quote form. The shades on screen are approximate.

  • Colour of the material

    after blasting

  • Black

    immersion dyed

  • Red

    immersion dyed

  • Blue

    immersion dyed

  • Green

    immersion dyed

  • Yellow

    immersion dyed

  • Orange

    immersion dyed

  • RALyour choice

    Any RAL code

    spray painted

Clear protective coat. It seals the pores of the surface, so the part is easier to clean and slightly glossy.

Good for

  • Visible product housings dyed in your brand colour
  • Presentation models and prototypes
  • Buttons, covers and bezels for control panels
  • Medical models that need high contrast on fine detail
  • Small runs of accessories dyed in several colours

Limitations

  • It absorbs more water than grey PA12 (1.40% against 0.66%, per ASTM D570).
  • It prints only on the Fuse 1+ 30W, so the part has to fit within 165 × 165 × 300 mm.
  • Elongation at break is 8% in X/Y, so in clips it is slightly more brittle than grey PA12.
  • If the part is not dyed, the white porous surface picks up dirt easily from handling.

Surface finishing

  • Glass bead blasting in the Fuse Blast (standard)
  • Vapour smoothing (on request)

GuideHow to choose between PA12 and PA11 for SLS parts

Questions about PA12 White

What colours can PA12 White be dyed?

Because the base is white, immersion dyeing with polyamide dyes can give almost any shade. The final colour depends on the time in the bath and on the part's surface, so if you need to match a RAL or Pantone code, ask for a sample first.

Is it mechanically different from grey PA12?

Slightly. PA12 White has 47 MPa tensile strength against 50 MPa, a modulus of 1950 against 1850 MPa and 8% elongation against 11% in X/Y. HDT at 1.8 MPa is 87 °C for both. You can treat them the same way at the design stage, but leave a larger margin on clips.

Why can't you print PA12 White on the Fuse X1?

Formlabs developed the powder for the Fuse 1+ 30W and has not announced it for the X1, so white parts are limited to 165 × 165 × 300 mm.

Does the part turn yellow over time?

Formlabs links yellowing to powder printed in air, which is why we print PA12 White in nitrogen. For parts that spend a lot of time in sunlight, consider having them dyed.

Send your file for a quote in PA12 White

  • Free quote
  • No minimum quantity
  • NDA on request
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