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Technology Outlet PVA 3D Printer Filament 500G spool (Polyvinyl alcohol) can be used as a support material or as a main printing material and can be extruded with the standard extruder. PVA Filament is water soluble so that means you can dissolve your prints in regular tap water.
So, why would you want to dissolve your hard earned prints in water?
You can make moulds or supports and rafts that dissolve once you are done with them.
Polyvinyl alcohol (PVOH, PVA, or PVAL) is a water-soluble synthetic polymer hydrolysed from polyvinyl acetate. PVA is fully degradable and is soluble. PVA has a glass transition temperature of around 85°C (185F). It decomposes rapidly above 200°C as it can undergo thermochemical decomposition at high temperatures.
- Melt flow index (190 oC, 2.16kg); 1.5 – 3.5 g/ 10min
- Melting point; 160 – 170C
- Glass Transition Temperature; 85C
- Specific Heat; 0.4 cal/ gC
- Density; 1.25 – 1.35 g/cm3
- Soluble into cold water