SainSmart Natural PVA Dissolvable Filament – Water-Soluble Support Material, 1.75mm, 0.5kg (1.1 lb)

Overview

The Natural PVA Dissolvable Filament is a premium water-soluble support material designed for dual-extrusion 3D printers. Made from Polyvinyl Alcohol (PVA), this biodegradable synthetic polymer dissolves quickly in water, allowing users to create complex geometries, internal channels, overhangs, and intricate parts that would be difficult or impossible to print with traditional breakaway supports.

Engineered for excellent print quality and dependable performance, this PVA filament provides stable support during printing and dissolves cleanly after printing is complete. It pairs especially well with PLA, making it an ideal solution for achieving professional-quality prints with complex designs and minimal post-processing.

Ideal For

• Complex geometries

• Intricate overhangs

• Internal channels

• Architectural models

• Engineering prototypes

• Functional assemblies

• Dual-extrusion printing

• Detailed artistic models

• Mechanical components

• Professional-quality prints

Key Features

• Water-soluble support material

• Designed for dual-extrusion 3D printers

• Fast dissolution in warm water

• Excellent support performance

• Biodegradable synthetic polymer

• Stable printing characteristics

• Ideal companion for PLA

• No special solvents required

• Enables complex print geometries

• Clean support removal without damaging parts

Fast Water Dissolution

Unlike traditional support materials that require manual removal, PVA dissolves directly in water.

Benefits include:

• Faster post-processing

• No scraping or cutting supports

• Reduced risk of damaging printed parts

• Cleaner finished models

• Access to internal cavities and complex structures

For optimal results, supports can dissolve in approximately 1–2 minutes when soaked in water at 50°C (122°F).

Greater Design Freedom

PVA enables the creation of highly detailed prints that would otherwise be difficult to manufacture.

Advantages include:

• Complex overhang support

• Internal support structures

• Intricate geometries

• Improved surface finish

• Enhanced print quality

• Professional-looking finished parts

No Special Chemicals Required

PVA dissolves using ordinary warm water.

Benefits include:

• Simple cleanup process

• No hazardous solvents

• Environmentally friendly support removal

• Easy home and professional use

• Reduced post-processing time

Specifications

Specification	Details
Material	PVA (Polyvinyl Alcohol)
Color	Natural
Filament Diameter	1.75mm
Dimensional Accuracy	±0.05mm
Spool Weight	0.5kg (1.1 lb)
Density	1.27 g/cm³
Tensile Strength	14 MPa
Recommended Nozzle Temperature	190°C–210°C
Recommended Bed Temperature	60°C–80°C
Material Type	Water-Soluble Support Material

Recommended Print Settings

Setting	Recommendation
Nozzle Temperature	190°C–210°C
Bed Temperature	60°C–80°C
Filament Storage	Dry Environment Required
Extrusion System	Dual Extrusion Recommended
Primary Material	PLA Recommended

Printing Recommendations

• PVA performs best when paired with PLA due to excellent material adhesion and similar printing temperatures.

• Store filament in a vacuum-sealed bag or filament dryer, as PVA absorbs moisture very quickly.

• Avoid leaving PVA at temperatures above 200°C for extended periods.

• Prolonged overheating can cause pyrolysis, leading to severe nozzle clogs that may require mechanical cleaning or nozzle replacement.

• Dry filament before printing if moisture exposure is suspected.

• For best dissolution results, soak supports in warm water around 50°C (122°F).

Compatibility

Compatible with most dual-extrusion FDM/FFF 3D printers that support 1.75mm filament, including:

• Bambu Lab AMS-compatible dual material workflows

• Ultimaker

• Prusa XL

• Raise3D

• BCN3D

• Flashforge

• QIDI Tech

• MakerBot

• RepRap-based printers

• And other dual-extrusion 3D printers

Applications

• Dissolvable support structures

• Complex engineering models

• Functional prototypes

• Mechanical assemblies

• Internal channel designs

• Architectural models

• Educational projects

• Artistic sculptures

• Medical modeling

• Professional prototyping

What's Included

• 1 × Natural PVA Dissolvable Filament Spool (1.75mm, 0.5kg / 1.1 lb)

Customer Resources

📄 Resource Center (including user manual)
💻 Software; Carveco Guide
📧 Support Team: Direct manufacturer assistance troubleshooting. Email them at support@sainsmart.com