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HOW TO CHOOSE SLS MATERIALS

We print with seven Selective Laser Sintering (SLS) powders from EOS and its materials company, Advanced Laser Materials (ALM). Each one below comes with a short overview, what it is best for, and its Material Data Sheet (MDS) and Material Safety Data Sheet (MSDS) to download.

White and grey PA 2200 nylon 12 parts produced by selective laser sintering
Nylon 12 | Unfilled

PA 2200

PA 2200 is the all-rounder of our range. This white polyamide 12 produces parts that are strong, stiff and tough, with good chemical resistance and a very balanced property profile, which makes it the safe first choice for functional prototypes and end-use parts alike.

  • White
  • Strong and stiff
  • Good chemical resistance
  • Skin and food contact approval

Best for: functional prototypes, end of arm tooling, housings and brackets, low-volume production parts.

White glass filled nylon 12 impellers produced by selective laser sintering
Nylon 12 | 40% glass filled

PA 614-GS

Adding glass spheres to polyamide 12 increases stiffness, density and abrasion resistance, and raises the heat deflection temperature well above unfilled PA 2200. PA 614-GS also holds its dimensions better, so it suits parts that need to stay rigid and accurate under load or heat.

  • White
  • 40% glass spheres
  • Higher stiffness
  • Higher heat resistance

Best for: rigid housings and covers, parts near heat sources, wear surfaces, jigs and fixtures.

Flame retardant nylon 12 lattice part produced by selective laser sintering
Nylon 12 | Flame retardant

PA 606-FR

A fire-retardant polyamide that meets the FAR 25.853 60 second burn specification for aircraft interiors, with physical properties similar to PA 2200. It is also UL94 V-2 compliant at certain part thicknesses, so we confirm the right wall thickness for your part during quoting.

  • Flame retardant
  • FAR 25.853, 60 s burn
  • UL94 V-2*
  • Properties similar to PA 2200

Best for: aircraft interior parts, electrical enclosures, ducting, parts close to ignition sources.

*UL94 V-2 at certain part thicknesses only.

Alumide aluminum filled nylon 12 powder on a spatula
Nylon 12 | Aluminum filled

Alumide

A metallic grey, aluminum-filled polyamide 12 with high stiffness and a metal-like look. Alumide parts are easy to finish by grinding, polishing or coating, the aluminum filler makes machining easier, and parts keep their dimensions well at high temperatures. Mechanically, it behaves more like a nylon than like aluminum.

  • Metallic grey
  • High stiffness
  • Easy to machine and polish
  • Heat resistant

Best for: jigs and fixtures, design models with a metallic finish, parts that need post-machining, small-batch tooling.

Dyed nylon 11 parts produced by selective laser sintering
Nylon 11 | Unfilled

PA 860

A white polyamide 11 formulated for easy processing. Its tightly controlled particle size gives parts a smooth surface and fine feature detail, and like other nylon 11 grades it is more ductile than nylon 12, so it handles impact and repeated flexing better.

  • White
  • Smooth surface finish
  • Higher ductility
  • Skin and food contact approval

Best for: snap fits and living hinges, impact-loaded parts, thin-walled parts, consumer products.

Three black SLS printed enclosure parts in PA 830-ESD 12 ESD safe nylon 11 by Anubis 3D
Nylon 11 | Electrostatic dissipative

PA 830-ESD 12

An ESD-safe polyamide 11 that uses graphite instead of carbon fibers to dissipate static charge. Parts have good strength and toughness, a fine surface finish and are easy to machine, which makes PA 830-ESD 12 a strong fit for electronics and anything that sits close to sensitive components.

  • Dark grey
  • ESD safe
  • No carbon fibers
  • Easy to machine

Best for: electronics enclosures, sensor housings, semiconductor assembly fixtures, ESD-safe tooling.

White EOS TPU 1301 flexible lattice helmet liner produced by selective laser sintering
Thermoplastic polyurethane | Flexible

TPU 1301

A white, flexible TPU with great resilience and very good shock absorption. Parts recover their shape after deformation, resist hydrolysis and UV, and their flexibility can be tuned through the design itself, for example with lattice structures that replace foam.

  • Flexible
  • Shore 86A
  • Shock absorbing
  • Hydrolysis and UV resistant

Best for: seals, gaskets and bellows, soft grips and bumpers, cushioning and lattice parts, protective covers.

Not sure which material fits your part?

Tell us what the part does and where it will work, and we will recommend the right material.

Ask an Expert

material comparison table

Property ratings for our core nylon range. For PA 830-ESD 12 and TPU 1301, see their data sheets above.

Unfilled Nylon 11 PA 860Unfilled Nylon 12 PA220040% Aluminum Filled Nylon 12 Alumide40% Glass Filled Nylon 12 PA 614-GFFlame Retarding Nylon 12 PA 606-FR
FlexibilitySelective Laser Sintering (SLS) PA12 Nylon Flexibility Test Chart 1Selective Laser Sintering (SLS) PA12 Nylon Flexibility Test Chart 2Selective Laser Sintering (SLS) PA12 Nylon Flexibility Test Chart 3Selective Laser Sintering (SLS) PA12 Nylon Flexibility Test Chart 4Selective Laser Sintering (SLS) PA12 Nylon Flexibility Test Chart 5
Abrasion ResistanceSelective Laser Sintering (SLS) PA12 Nylon Abrasion Resistance Test 1Selective Laser Sintering (SLS) PA12 Nylon Abrasion Resistance Test 2Selective Laser Sintering (SLS) PA12 Nylon Abrasion Resistance Test 3Selective Laser Sintering (SLS) PA12 Nylon Abrasion Resistance Test 4Selective Laser Sintering (SLS) PA12 Nylon Abrasion Resistance Test 5
Skin Contact ApprovalSLS 3D Printing Material Property Comparison Chart 5SLS 3D Printing Material Property Comparison Chart 5SLS 3D Printing Material Property Comparison Chart 6SLS 3D Printing Material Property Comparison Chart 6SLS 3D Printing Material Property Comparison Chart 6
Food Contact ApprovalSLS 3D Printing Material Property Comparison Chart 7SLS 3D Printing Material Property Comparison Chart 7SLS 3D Printing Material Property Comparison Chart 8SLS 3D Printing Material Property Comparison Chart 8SLS 3D Printing Material Property Comparison Chart 8
MachinabilitySelective Laser Sintering (SLS) PA12 Nylon Machinability Test Chart 1Selective Laser Sintering (SLS) PA12 Nylon Machinability Test Chart 2Selective Laser Sintering (SLS) PA12 Nylon Machinability Test Chart 3Selective Laser Sintering (SLS) PA12 Nylon Machinability Test Chart 3Selective Laser Sintering (SLS) PA12 Nylon Machinability Test Chart 2
Chemical ResistanceSelective Laser Sintering (SLS) PA12 Nylon Chemical Resistance Test 1Selective Laser Sintering (SLS) PA12 Nylon Chemical Resistance Test 1Selective Laser Sintering (SLS) PA12 Nylon Chemical Resistance Test 2Selective Laser Sintering (SLS) PA12 Nylon Chemical Resistance Test 2Selective Laser Sintering (SLS) PA12 Nylon Chemical Resistance Test 2
Thermal InsulatorSelective Laser Sintering (SLS) PA12 Nylon Thermal Resistance Test 1Selective Laser Sintering (SLS) PA12 Nylon Thermal Resistance Test 1Selective Laser Sintering (SLS) PA12 Nylon Thermal Resistance Test 2Selective Laser Sintering (SLS) PA12 Nylon Thermal Resistance Test 1Selective Laser Sintering (SLS) PA12 Nylon Thermal Resistance Test 1
Burning ResistanceSelective Laser Sintering (SLS) PA12 Nylon Burning Resistance Test 2Selective Laser Sintering (SLS) PA12 Nylon Burning Resistance Test 2Selective Laser Sintering (SLS) PA12 Nylon Burning Resistance Test 2Selective Laser Sintering (SLS) PA12 Nylon Burning Resistance Test 2Selective Laser Sintering (SLS) PA12 Nylon Burning Resistance Test 1

**Other materials available upon request. Contact us for more information**