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What kind of plastic cannot be 3D printed?

November 25, 2023

What kind of plastic cannot be 3D printed?

While many plastic materials can be used in 3D printing, not all plastics are suitable for the process. Here are some plastics that are often not well suited for or cannot be used with traditional 3D printing techniques such as fused deposition modeling:

Fluoropolymers: Fluoropolymers like polytetrafluoroethylene (PTFE) are generally not suitable for 3D printing because their melting points are usually very high, while traditional 3D printing technology usually requires the material to melt at relatively low temperatures.

High-temperature engineering plastics: Although some high-temperature engineering plastics, such as polyetheretherketone (PEEK) and polyphenylene sulfide (PPS), have excellent high-temperature resistance, their high melting point and thermal sensitivity make them less suitable for traditional 3D printing technology.

Epoxy Resin: Traditional 3D printing technology is often difficult to use epoxy resin because it requires UV curing or other special curing processes.

Polyurethane: Polyurethane is generally a flexible and soft material, but its chemical properties and curing requirements make it less common in traditional 3D printing.

Certain biodegradable plastics: The degradation mechanisms of some biodegradable plastics may not be suitable for traditional 3D printing processes. This includes some environmentally friendly materials such as starch-based plastics.

It should be noted that with the development of 3D printing technology, new materials and technologies are constantly emerging, so some materials that were not suitable in the past may be adapted or new materials developed in the future. In addition, some special 3D printing technologies, such as light-curing 3D printing, can handle some materials that are difficult to process with traditional 3D printing.


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