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PVB filament

PVB filament, commonly known as polyvinylbutyral, is a printing material for 3D printers that has one specific characteristic. Its surface can be chemically smoothed using isopropyl alcohol vapour, commonly referred to by the abbreviation IPA. This process, known as 'vapour smoothing', causes the surface of the print to stick slightly and the individual printed layers to fuse together. The result is a perfectly smooth and glossy surface that effectively hides the typical layered texture of 3D printing. This makes PVB suitable for printing transparent or translucent objects such as vases, lampshades or design models, as the smoothing process greatly enhances their clarity and gives them a glass-like appearance. From a printing point of view, PVB is comparable to PLA, so it does not require a closed printer and its processing is relatively inexpensive. Mechanically, however, it is not designed for heavily stressed parts. An important characteristic of PVB is its hygroscopic nature, which means that it absorbs airborne moisture. Therefore, it must be stored in a dry environment to avoid printing problems such as material sizzling and surface deterioration. It is therefore primarily used to produce aesthetic models with a high emphasis on smoothness and visual clarity without the need for mechanical sanding.

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P-DC1-WEB16