Bambu Lab PVA Filament on Spool

Artno.: BL5-664400-P
Manufacturers: Bambu Lab

Bambu Lab PVA is a water-soluble support filament for complex PLA and PETG prints with overhangs, cavities and hard-to-reach support structures. After printing, the PVA is dissolved in water, enabling clean contact surfaces and allowing delicate models to be finished without time-consuming mechanical support removal.

Variant

41,90 €

incl. 19% VAT

(35,21 € excl. VAT)

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10+ On stock

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BAMBU LAB PVA SUPPORT FILAMENT

Bambu Lab PVA

Water-soluble support filament for complex 3D printed models, hard-to-reach support structures and clean underside surfaces – ideal for PLA and PETG prints with delicate geometries, internal cavities and overhangs.

Water-soluble support for complex models

Bambu Lab PVA is a water-soluble support material for multi-material 3D printing. It enables dense support interfaces, clean underside surfaces and support structures in areas that would be difficult to access mechanically after printing. After printing, the part is placed in water so the PVA support material dissolves and the model can be finished without breaking supports out manually.

Important: PVA must be printed very dry

PVA is highly moisture-sensitive. For reliable results, the filament should be dried before printing, kept as dry as possible during printing and stored airtight with desiccant after use. Wet PVA can cause stringing, bubbling, poor surface quality, inconsistent extrusion and weak support performance.

Water-soluble

For PLA & PETG

For complex geometries

Store dry

PVA compatibility: For PLA & PETG – use Xioneer VXL 111A for engineering plastics

Bambu Lab PVA is primarily suitable as a water-soluble support material for PLA and PETG prints. For other materials, adhesion and release behavior should be tested first. For engineering plastics such as ABS, ASA, PA, PC, TPU, PPS, PEEK or PEKK, PVA is usually not the right choice.

For soluble support structures with additional engineering plastics, we recommend Xioneer VXL 111A. This support material is not soluble in pure water, but is removed using Xioneer VXL EX or VXL solve in a mild alkaline solution and is much better suited for demanding engineering materials.

View Xioneer VXL 111A alternative →

Highlights

Soluble in water

PVA is dissolved in water after printing and does not need to be mechanically broken out of the model.

Clean support surfaces

Ideal for dense contact surfaces, complex overhangs and underside surfaces with high surface quality.

For hard-to-reach areas

Especially useful for internal cavities, delicate details and geometries with hidden support structures.

AMS workflow

Suitable for multi-material prints where model material and water-soluble support are changed automatically.

Technical Data

Material	PVA – Polyvinyl Alcohol
Product Line	Bambu Lab PVA
Material Type	Water-soluble support material
Color	Natural / translucent-opaque depending on variant
Diameter	1.75 mm
Net Filament Weight	0.5 kg
Nozzle Temperature	220–250 °C
Build Plate Temperature	35–45 °C
Build Surface	Cool Plate, High Temperature Plate or Textured PEI Plate; glue recommended
Print Speed	Below 200 mm/s recommended
Chamber Temperature	25–45 °C
Nozzle Recommendation	0.2 / 0.4 / 0.6 / 0.8 mm possible; 0.4 mm as standard recommendation
Drying	80 °C for 8–12 hours in a forced-air / drying oven or 90–100 °C for 12 hours on the X1 heatbed
Storage / Printing Humidity	Preferably below 20% RH; store sealed with desiccant
Water Absorption	6.25% at 25 °C / 55% RH
Special Properties	Water-soluble, ideal for complex supports, clean contact surfaces, hard-to-reach areas and multi-material printing with PLA / PETG

Typical Applications

Water-soluble Support

PLA Prints

PETG Prints

Complex Overhangs

Internal Cavities

Delicate Models

More Information from Bambu Lab

Visit the official Bambu Lab product page for more information about PVA, print recommendations, compatibility and technical material data.

View Bambu Lab PVA →

Printing Recommendation

PVA should always be printed dry and fully dissolved from the model after printing. Dissolving time depends on support volume, model geometry, water temperature, water movement and accessibility of the support structure. For engineering plastics or heated build chambers, PVA is usually not the best solution; a suitable soluble engineering support material such as Xioneer VXL 111A should be used instead.

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