What are the types of 3D printing silicone materials

silicone materials are used in many products. Generally, large-volume silicone products can be made by open-mold injection molding, but before mass production, prototype proofing is generally required. The current proofing process includes 3D printing silica gel and Silica gel casting process, let’s talk about 3D printing silica gel today, so what are the types of 3D printing silica gel materials?

3D printed silicone is actually not the same material as traditional open-molded silicone. It is just a soft glue with similar performance to silicone. This material is only used in 3D printing. At present, there are mainly three common 3D printing soft glue materials. .

Soft glue for light curing process

This kind of soft glue can also be called flexible resin. The hardness of the printed product is about 50 to 60 degrees, and the surface is smooth. The color and hardness of the printed soft glue cannot be adjusted. It is fixed. This material is mainly soft. Appearance, verified by structural samples, physical properties are not very good, not tear-resistant.

Laser sintered soft glue

Laser sintered soft glue is mainly tpu soft glue, which is sintered by powder, so the surface has a grainy feeling, similar to frosted. The hardness of the soft glue printed by this process cannot be adjusted. The hardness is about 90 degrees, which is relatively hard and has a certain degree of flexibility. , Can replace the silica gel in some scenes.

Soft glue of fdm process

The soft glue of the fdm 3d printing process is tpu. It adopts the fusion lamination process. The surface is relatively rough and has layer lines. The hardness is about 70 to 80 degrees. The color is optional, and the use is relatively small.

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