Description Plaster-Silica Mold Investment (Size 5lbs.) mixture of #1 casting plaster and silica flour Mold Mix 50/50 offers glass casters their familiar plaster/silica blend – ready made, just add water. Basic mold mix blend for casting glass Offers glass casters the familiar plaster/silica blend (ready made, just add water) Made with fresh and certified raw materials in ISO certified production facility Bullseye Box Casting
