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In the case of frosted GLS lamps, the frosting of the shell is done by

  • In the case of frosted GLS lamps, the frosting of the shell is done by Acid etching.
  • Acid etching involves applying an acid solution to the surface of the glass, which creates a rough, frosted appearance.
  • The acid reacts with the surface of the glass, creating microscopic pits and craters that scatter the light passing through the lamp, producing a diffuse, soft glow.
  • This process can be done by hand or by using automated equipment.
  • Sandblasting is another technique used to create frosted GLS lamps.
  • This involves blasting the surface of the glass with a stream of fine sand or other abrasive material, which creates a rough, frosted appearance similar to acid etching.