There are four main types or strengths of glass:
  • 1) Annealed Glass. Annealed glass is a basic product formed from the annealing stage of the float process.
  • 2) Heat Strengthened Glass. Heat Strengthened Glass is semi tempered or semi toughened glass.
  • 3) Tempered or Toughened Glass.
  • 4) Laminated Glass.