... in cold water.There may be tweaking of settings for optimal output. When complete, parts can then be ... shape, accurate diameter(2.94-2.98mm,1.7-1.74mm), no bubble,high tenacity and stable melting ... diameters since 2009.PVA filament• Melt flow index (190 oC, 2.16kg); 1.5 – 3.6 g/ 10min• ... 1.36 g/cm3• Solubility into water; soluble into cold water Esun PVA 1.75mm/3mm Water Soluble filament welding rod for ...