The hardness of plexiglass products is not high, but the toughness is good. The bending ability after heating is stronger than that of glass, but the surface is not hardened by tempered glass.

Toughness is the ability of an object to return to its original state after deformation. Although diamonds are hard but have low toughness, they are easily broken. 

This kind of display cabinet has the most precise requirements for production and design. It is not only the manufacturer who wants to use the best materials, but also the design requirements.