Glass-Filled Nylon

Glass-Filled Nylon (GF) or PA3200 is a reinforced material (polyamide-12 + 30 % Glass-Filled). GF is off-white in color and comes with an inherent grainy surface finish. Since GF parts are fabricated in Selective Laser Sintering (SLS) (SLS) technology, there is no support structure generation, making it suitable for parts which are complex and which have intricate geometries and moving part assemblies. Due to excellent stiffness and high mechanical wear resistance, GF is used in applications requiring good thermal loadability and low abrasive wear.

Glass-Filled Nylon

A clamp fabricated in GF

GF parts are slightly porous in nature since the material is in powder form, and is fabricated in Selective Laser Sintering (SLS).

Glass-Filled Nylon

GF part dyed in Black

GF parts can be post-processed. They can be painted and dyed. The porous nature of GF facilitates dyeing due to capillary action. During dyeing the color gets absorbed into the pores. Thus dyeing doesn’t add any extra thickness on top of the parts. But since painting is done on the surface, it usually adds a thickness of around 100–200µm. Thus, we do not recommend painting on functional parts subjected to assembly, unless a suitable allowance is given in the design.

Glass-Filled Nylon

Valve assembly fabricated in GF


Strong and rigid
High stiffness and low abrasive wear.
Good thermal loading capability


It has a dull white color.
Grainy surface finish.


Best suited for applications requiring high stiffness and low abrasive wear.
Fully functional parts
Complex and intricate geometries
Automotive industry