FIVE POUNDS! HI-FIRE PRIMER Hot Line Glass Separator Kiln Wash Fusing Supplies

A special formulation of alumina and low-fluxing clays developed to withstand the high kiln temperatures required for raking. Contains a dye which burns off when firing. An excellent smooth finish between the glass and kiln shelf. Hi-Fire Shelf Primer is also excellent for coating mandrels for bead-making. Mixes with water.  5 Pounds (powder).