Natural PVA Filament 750g. 2.85mm diameter and approximately 90m long PVA (Polyvinyl Alcohol) is a water-soluble support material for multi-extrusion 3D printing. With a good thermal stability, Ultimaker PVA is ideal for printing complex models that require supports for large overhangs, deep internal cavities, and intricate geometries. Designed for a seamless 3D printing experience, our PVA provides good adhesion to both PLA and Nylon. Reasons to choose Ultimaker PVA Good thermal stability resulting in better degradation resistance compared to other PVA filaments Less moisture sensitive than other PVA filaments Great adhesion to both PLA and Nylon Safe dissolution in tap water (no harmful chemicals required) Biodegradable with no hazardous by-products