Czech Pressed Glass Round Beads 4mm - Luster Coating

  Luster coating - chemically, lusters are metal soaps of esters of resin acids. They are applied to glass beads by smearing or spraying, where they create very diverse color shades after firing. The layers of the lusters are transparent, so they do not suppress the glassy character of the glass beads. Layers of lusters also increase the resistance of the surface of the semi-finished products and also increase the gloss. Cleaned glass beads are pre-heated to 100°C and placed in a polishing container with a batch of luster solution, where lubrication with a luster is carried out. After removing from the lustering container, the glass beads are fired in the firing furnace.