3D printer Polycarbonate filament, also known as PC filament, is a strong thermoplastic material used in 3D printing.
PC filament is such a great 3D printing filament material because of it’s strength. It is a really strong material while still maintaining temperature resistance. PC does not shatter like plexiglass. It tends to bend and deform similar to hard rubber until it eventually breaks. It also has high optical clarity. The extruded PC filament cools down quickly.
Extruding temperature for PC filament is generally around 250-300°C. PC 3D filament slowly softens when heated. Slower print speeds are preferred as an increase in temperature is required for faster prints. Polyimide tape (Kapton tape) should be used on a heated bed, at around 120°C.
PC filament has many uses in everyday applications. It is a good electrical insulator while having heat-resistant properties. PC is used in data storage for compact discs, DVD’s and Blu-Ray’s. It is used in many medical applications as well as for parts in today’s advanced phones. It is commonly used in eye protection, and it is used after lamination to make bullet-proof glass.
The objects printed with PC filament is very strong. So some special post processing methods are needed.
PC absorbs a lot of moisture in the air. It is a hygroscopic material, and it is best to store in an airtight container when not in use. Even during use the material can become unprintable within a 24 hour print if in a humid environment. Therefore, keeping in an airtight container during printing as well is ideal. Dry PC filament will print more clearly. Filament that has absorbed moisture will print white as well as pop and bubble during the print.