What raw material is the front bumper of the car made of?
Tempered glass (Tempered, glass/Reinforced, glass) belongs to safety glass.
The front bumper of the car is made of toughened glass.
Toughened glass is a kind of prestressed glass, in order to improve the strength of the glass, the methods commonly used in chemistry or physics, formed on the surface of glass glass under compressive stress, first offset surface stress force, so as to improve the bearing capacity of reinforced glass, its wind, cold, impact etc.. Notice that it is different from fiberglass.
