4 results

  • Subjective Perception and Objective Measurement

    Current glass industry standards provide clear tolerances for readily quantifiable physical properties to assist with the evaluation of visual qualit…

  • Anisotropic Effects in Architectural Glass

    Iridescence effects, quench marks, leopard marks… The names given to optical anisotropy in toughened and heat-strengthened glass are diverse and wide…

  • Controlling Anisotropy in Heat Treated Glass

    Anisotropy is also known as Brewster marks, quench marks, strain pattern, leopard spots, Iridescence, etc. Although anisotropy is inevitable when hea…