Bambu Lab PVA 1 kg

Product Description

Bambu Lab PVA 1 kg is a water-soluble support filament (polyvinyl alcohol – PVA) optimized for multi-material printing on Bambu Lab printers using the AMS system. The filament creates reliable supports for PLA and selected other materials, which easily dissolve in water after printing, completely eliminating the risk of mechanical damage to the model during support removal.

PVA is ideal where standard breakaway supports are insufficient – for example, in complex internal channels, cavities, blind holes, and intricate overhangs. After the supports dissolve, a smooth contact surface and clean model details remain.

Note: PVA is intended exclusively as a support material; it is not suitable for printing standalone functional parts.

Key Features

• Water-soluble PVA support filament – supports dissolve in (lukewarm) water after printing, without the need for tools.
• Perfectly smooth contact surfaces – minimizes visible support marks on the model surface.
• Ideal for PLA and other compatible materials – recommended especially as a support for PLA on Bambu Lab printers.
• Optimized for Bambu Lab AMS – stable feeding in multi-material systems, preset profiles in Bambu Studio.
• Large 1kg package – suitable for frequent printing of complex models and long print jobs.
• Diameter 1,75 mm – standard dimension compatible with all Bambu Lab printers and most FDM printers.

Recommended Use

• Printing complex models with internal channels, cavities, or undercuts where standard supports cannot be removed.
• Models requiring a clean and smooth surface without support marks (figures, design parts, precise prototypes).
• Multi-material printing on Bambu Lab printers with AMS, where the main material is typically PLA.

For best results, it is recommended to use PVA primarily as an interface between standard support (e.g., PLA Support) and the model – this reduces PVA consumption, makes the print more stable, and supports remain easily removable by dissolution.

Printing Recommendations

• Dry the filament well before printing (PVA is highly hygroscopic).
• Store in a closed dry box with desiccant.
• After printing, leave the model with supports submerged in water (lukewarm water and occasional gentle stirring recommended) until the PVA is completely dissolved.
• Do not use PVA as a primary structural material – it is intended only for supports.

Specific printing temperatures, speeds, and other parameters are available in the official Bambu Lab filament guide and profiles in Bambu Studio for Bambu PVA.

Technical Specifications

Benefits for Users

• Time savings in post-processing – no breaking or cutting of supports, just soak in water.
• Lower risk of model damage – contact surfaces dissolve instead of breaking off.
• Ability to print "impossible" shapes – internal channels, complex mechanisms, decorative objects with extreme overhangs.
• Professional result – smooth surfaces suitable for presentation, painting, further finishing, or functional testing.

Bambu Lab PVA 1 kg is a great choice for all users of Bambu Lab and other FDM printers who want to take their projects to the next level and print truly complex models without compromising on surface quality.

Key Features:

• Water-soluble PVA support filament for FDM printing
• Optimized for Bambu Lab printers and multi-material printing with AMS
• Leaves smooth contact surfaces without support marks
• Ideal for supporting complex overhangs, undercuts, and internal cavities
• Intended especially as support for PLA and compatible materials
• Large 1kg package suitable for frequent printing of complex models