Aluminium hydroxide is added to glass with aluminium trioxide to enhance the stability of the glass and prevent it from deteriorating.

Aluminium hydroxide glass is harder than ordinary glass and does not easily discolour the glass, further protecting the translucent white effect. And the glass made with aluminium hydroxide does not contain high concentrations of iron and sodium impurities like ordinary glass, it can make the glass whiter, more transparent and brighter, reduce the thermal expansion and contraction properties of the glass, enhance the effect of the glass to resist external impact and play a role in protecting the glass.