eSUN natural PVA is a water-soluble 3D printing material made from fossil resources. It is an inexpensive, biodegradable filament that can be dissolved in tap water without the need for any solvent. Once removed, it leaves clean and smooth surfaces enabling the production of complex 3D models with intricate geometries and cavities. It is one of the most popular PVA filaments on the market. Harmless and non-toxic, it can be used by anyone.
eSUN natural PVA is a soft material. It comes in a yellowish color. It should be printed at low temperatures to avoid nozzle clogging. It is optimized for use on both single- and dual-extrusion 3D printers. It delivers consistent print quality and optimum layer adhesion. Since it is a moisture-sensitive material, eSUN ships it in resealable bags with desiccant for storage and freshness. It is available in 3kg spools. The uniform and accurate diameter of 1.75mm streamlines the extrusion process.
The below-pictured 3D model has been printed with the aid of eSUN PVA support structures. The two pictures show how it looked before and after removal.
eSUN natural PVA technical data
Printing temperature: 180 - 210 °C
Heated bed temperature: Not required / 60 - 80°C recommended
Filament density: 1.25 g/cm³
Tensile Strength: 22 MPa
Elongation at Break: 360%
Filament diameter: 1.75mm
Dimensional Accuracy: ±0.05
Spool weight: 3kg
Color name: Natural
Color attribute: Solid
The eSUN natural PVA is a moisture-sensitive material. Thus, it comes in 3kg spools vacuum-packed in a bag with moisture-absorbing desiccant.
Elongation at Break
Heated bed temperature
Not required / 60 - 80°C recommended
180 - 210 °C
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