Material for Liquid Additive Manufacturing

The materials currently most commonly used in Liquid Additive Manufacturing are Liquid Silicone Rubber (LSR) and polyurethane.

When printing, the infill options of the same material can be varied. This opens up numerous possibilities for adapting the print to the specific applicationand always achieving the best printing result. Depending on the settings, soft, flexible print objects or hard, non-flexible results can be achieved.

From the different variants of silicone rubber to resin-like polyurethane, new opportunities arise that are not possible with any other technology.

Are you interested in a different material? Then get in touch with our application consultants! Simply describe your specific use case to us so that we can check how we can best implement your project.

Liquid Silicone Rubber (LSR)

Liquid Silicone Rubber, for example SILASTIC™ 3D 3335 is a Liquid Silicone Rubber that is thermally cross-linked. It does not contain acrylic hardeners and is not UV-cured. The technical properties of the material for Liquid Additive Manufacturing are almost identical to those of injection molding. The high-viscosity Liquid Silicone Rubber is used in particular for additive components that require a high degree of fineness. The viscosity of the material is 130 – 170 PaS, but it is completely cured after the printing process is completed and can be used immediately. It is suitable for temperature ranges from -60 to +200 °C and has a high elongation at break. You can also operate the LiQ 320 printing system with other liquid silicone materials, which generally have a viscosity between 10 and 180 PaS and different Shore hardnesses. Please contact us for more information.

Liquid Additive Manufacturing LiQ 320 Cartridges
Liquid Additive Manufacturing material Polyurethan

Polyurethane (PU)

With the LiQ 320, polyurethane can be processed in a liquid state for the first time using 3D printing. Since the material is processed at room temperature, the printing process is particularly energy-efficient. The shrinkage of the materials ranges from 1 – 2 %. Issues such as thermal distortion or detachment from the printing bed are thus a thing of the past.