Printing technology

SLS

Selective Laser Sintering

In SLS a laser beam selectively sinters polymer powder inside a heated powder bed. Because the part is supported by the unsintered powder around it, no support structures are needed – which gives a high degree of design freedom and efficient production of larger quantities.

No support structures required

High design freedom for complex geometry

Good mechanical properties and high strength

Efficient for medium to large production volumes

Printed parts surrounded by polymer powder in an SLS build bed

Manufacturers and systems

EOSFormlabs Fuse

Material families available

PA12PA11TPUCFGF

Materials available in SLS

15 materials available in this technology

Applications
Properties
Material family
Manufacturer
PA 1101 — Whitish, slightly translucent (natural powder)
PA 1101
EOS
SLS · PA11

PA 1101 is a polyamide 11 (PA11) powder for laser sintering (SLS), producing slightly tran…

Bio-basedhigh elongationimpact resistant
EOS PA 2200 — White A fine polymer surface off the powder bed
EOS PA 2200
EOS
SLS · PA12

The most widely used PA12 in SLS technology, giving a balanced combination of strength, st…

BalancedMulti-purposeHigh strengthNo supports needed
EOS TPU 1301 — White
EOS TPU 1301
EOS
SLS · TPU

EOS TPU 1301 is a highly efficient thermoplastic elastomer (TPU) for SLS printing, at Shor…

High resilienceUV stablehigh powder reuse (80%)
PA 2201 — Whitish / slightly translucent
PA 2201
EOS
SLS · PA12

PA 2201 is an off-white, slightly more translucent polyamide 12 powder that meets FDA requ…

Balanced property profilemultipurposepigment-freemedical-use potential
PA 2220 HighReuse — White
PA 2220 HighReuse
EOS
SLS · PA12

EOS PA 2220 HighReuse is a highly efficient polyamide 12 that serves a wide range of appli…

70% reusabilitybalanced profileeasy to color
PA 3200 GF — White
PA 3200 GF
EOS
SLS · PA12 glass-filled

PA 3200 GF is a glass-filled fine polyamide for EOSINT P systems, producing parts with exc…

40 wt% glass beadshigh stiffnesswear resistanceimproved temperature performance
Alumide — Metallic gray
Alumide
EOS
SLS · PA12 aluminum-filled

A typical use of ALUMIDE is producing stiff parts with a metallic appearance – for example…

50 wt% aluminum-filledhigh stiffnessmetallic appearanceeasy postprocessing
ALM PA 603 CF — Black
ALM PA 603 CF
EOS / ALM
SLS · PA12 carbon-fiber-filled

ALM PA 603 CF is a nylon 12 (PA12) containing 33% carbon fibre, tuned for a smooth surface…

33% carbon-fiber-filled Nylon 12high-detail black finishhigh stiffnessheat/warping resistance
Nylon 12 Powder — Grey
Nylon 12 Powder
Formlabs
SLS · PA12

An SLS powder for strong functional prototypes and end-use parts, with high tensile streng…

High tensile strengthductilelow moisture absorption
Nylon 12 White Powder — White
Nylon 12 White Powder
Formlabs
SLS · PA12

Nylon 12 White Powder combines all the strengths of the general-purpose, biocompatible Nyl…

Dyeable white finishmedical-suitablefine detail
Nylon 12 Tough Powder — Grey
Nylon 12 Tough Powder
Formlabs
SLS · PA12

A nylon powder with high ductility and dimensional accuracy, intended for prototyping and…

High refresh rateductilereduced warpage
Nylon 12 GF Powder —
Nylon 12 GF Powder
Formlabs
SLS · PA12 glass-filled

A high-performance SLS material for in-house production of parts that need high stiffness,…

Glass-filledhigh stiffnessthermally stable
Nylon 11 Powder —
Nylon 11 Powder
Formlabs
SLS · PA11

Nylon 11 Powder is a high-performance bio-based nylon, intended for functional prototyping…

Bio-basedimpact resistantflexible
Nylon 11 CF Powder —
Nylon 11 CF Powder
Formlabs
SLS · PA11 carbon-fiber-filled

A carbon-fibre-reinforced nylon 11 powder for strong, lightweight parts. The combination o…

Carbon fiber reinforcedrigidmetal replacement
TPU 90A Powder — Grey
TPU 90A Powder
Formlabs
SLS · TPU

A durable SLS elastomer for flexible, skin-safe products. It combines high elongation at b…

Skin-safehigh elongationhigh tear strength

Not sure which material fits?

We are glad to advise on the material and the technology that suit your project.

A wide range of materials

Advanced materials across the full span of industrial uses

Engineering advice

We help you choose the material that fits the project

Quality without compromise

Genuine, verified materials and rigorous quality checks

Fast lead times

Quick production and delivery on time, keeping your schedule

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