Does Polycarbonate filament absorb water?

Polycarbonate is extremely hygroscopic, meaning it will absorb moisture from the air, which will affect its printing performance and strength. It should be stored in air-tight, moisture-free containers after opening.

How quickly does filament absorb water?

Because some 3D printing filaments are hygroscopic, meaning that they absorb moisture from the air, prolonged exposure to even moderately humid room air causes moisture saturation. After 150 hours in standard conditions, PLA filament may swell up to 40 micrometers before reaching its saturation point.

Does PETG filament absorb water?

Many filaments can absorb water from the air and PETG is one of the most notorious. Because PETG is hygroscopic, you need to dry your spool before using it, which can easily be done using a PrintDry PRO to pull the moisture out of your filament.

Can 3D printed things get wet?

You can waterproof 3D prints by slightly over extruding the filament when printing. It allows the filament to bond better with previously printed layers. It also works well with prints that were printed at a higher temperature as the layers are more likely to adhere to each other.

What is the melting point of Polycarbonate?

The melting point of crystallized polycarbonate is about 230∼260℃ (Refer to Fig. 4・5・2‐2). The melting heat of the crystalline is 134J/g (32cal/g). The melting point of other resins is shown in Table 4・1・1‐1.

How do you make a watertight print?

Watertight 3D Printing


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