SLS 3D Printing Materials - Aurum3D
                     SLS  3D  Priintiing  Materiialls
3D printing technologies differ from each other in many categories including 
materials or filaments. Selective Laser Sintering (SLS), unlike other widely 
used 3D printing technology, produces product prototypes and end parts by 
sintering thermoplastic powder.
An SLS printer forms solid parts by sintering and fusing thermoplastic powder 
using a high-power laser. The thermoplastic powder makes SLS 3D printing 
technology effective in producing parts with higher toughness, impact 
strength, and dimensional accuracy.
Also, they speed up the additive manufacturing process by requiring no 
support structure. While planning an additive manufacturing project, you 
have the option to choose from a wide range of SLS 3D printers. The 
conventional SLS 3D printers support a single or specific material.
But the new-generation SLS 3D 
printers allow you to use and mix 
multiple materials. Based on your 
choice of a 3D printer, you have 
the option to choose from a wide 
range of materials for SLS 3D 
printing.
The materials used in SLS 3D 
printing differ from each other in 
many aspects, including tensile 
strength, heat deflection, and 
tensile modulation. You must 
keep in mind the nature and 
requirements of the part to be 
printed while comparing SLS 3D 
printing materials.
However, it is also important to compare the characteristics of each SLS 
3D printing filaments. We are making it easier for you to choose the right SLS 
3D printing materials for your next project by comparing their key 
characteristics.
Diifffferrentt  Types  off  SLS  3D  Prriinttiing  
Matterriialls
The materials or filaments used in SLS 3D printing can be divided into three 
broad categories – general-purpose/unfilled, filled, and specialty. General-
purpose 3D printing materials for SLS are unfilled nylon powder. They are 
often used for producing parts that do not require specific mechanical 
features.
At the same time, filled SLS 3D 
printing materials are produced by 
filling nylon with mineral fiber, 
glass additives, aluminum, or 
carbon fiber. The filling makes the 
nylon powder stiffer or more heat 
resistant. The specialty SLS 3D 
printing materials meet the 
requirements of parts with higher 
heat and chemical resistance 
properties.
Diistiinct  Characteriistiics  off  Wiidelly--Used  SLS  3D  
Priintiing  Materiialls
PA  11  Bllack  ((PA  850))
PA  12  Whiitte  ((PA  650))
PA 850 is one of the most popular 
general-purpose nylon materials for Engineers opt for PA 650 as a general 
SLS 3D printing. The mechanical purpose SLS 3D printing material that 
properties of PA 11 Black deliver delivers higher ductility. PA 650 is 
flexibility and ductility. Also, the much stronger than other unfilled 
material’s heat resistance and tensile nylon filaments for SLS 3D printing. 
strength remain intact throughout Also, it scores over PA 850 in the 
the 3D printing process. At the same category of stiffness. PA 650 improves 
time, its black color adds high print quality by adding mechanical 
contrast and low reflectivity to the properties and chemical resistance.PA12  40%  Gllass--Fiilllled  ((PA614--GS))
3D-p riinterd l-piallrt  w( hile k-eeping the PAg1re2a Msein, egrraiml-Fei,ll eadn d( PdAir6t2 h0i-dMdF
)
e)n. This material is produced by filling PA 
As the name suggests, this 3D 12 with 40% of the glass sphere. In 
printing material is produced by addition to increasing PA 12’s 
mixing nylon and mineral fiber. The stiffness and heat resistance, the 
mineral fiber constitutes 25% of the glass sphere adds dimensional 
filament.  The filling enhances PA stability to the filament. But the glass 
12’s strength, stiffness, and heat- additives reduce both impact and 
resistance capacity drastically. tensile strengths of the materials. 
Engineers opt for PA620-MF to Engineers opt for PA12 40% Glass-
produce parts that need to achieve Filled (PA614-GS) while producing 
maximum strength and higher parts that need to resist wear and 
temperature resistance. tear over a longer period of time.
Allumiinum--Fiilllled  Nyllon  ((Allumiide))
This filled SLS 3D printing filament 
is produced by adding fine 
aluminum particles to polyamide 
powder. The aluminum particles 
increase the density of alumide. 
Also, they enhance alumide’s 
thermal and conductive properties. 
Engineers opt for aluminum-filled 
nylon while producing parts with a 
metallic appearance. Also, the 
material is best suited for producing 
mechanical parts that do not 
Ceaxrrbpoenri--eFniibceerr   hFiiigllllhed s  tNreysllosn.   ((PA--FR))
PA-FR outperforms other 3D printing materials in the category of structural 
properties. The filament is produced by blending chopped carbon fiber with 
general-purpose nylon filaments. The blending makes the output stronger 
than other filaments. Also, engineers often opt for PA-FR due to its excellent 
electrostatically dissipative characteristics. In addition to being sturdy and 
lightweight, PA-FR is effective in resisting both wear and temperature.
You can have the option to choose from a wide range of 3D printing materials 
for SLS 3D Printing according to the precise needs of a project. You can 
combine and use multiple materials by investing in a multi-material SLS 3D 
printer.
Similarly, you can experiment with different 3D printing materials by getting 
professional SLS 3D printing services. But you must remember that the 
materials for SLS 3D printing differ from each other in many categories.
Also, each of the materials has its pros and cons. Hence, you can improve the 
print quality only by differentiating SLS 3D printing materials based on their 
key characteristics.

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