Safety glass is an important apparatus which is used in laboratory to protect the eyes from chemical reagent during the different experiment. These types of glass resist shocking, particularly a combined of two sheets of glass with a middle layer of visible plastic.
There are some chemicals which can decay glassware. If the glassware are kept in unclean state the iron of water and the chemicals can decay these glasswares. For this reason glassware are kept in clean state.
Example: Toughened glass, Laminated glass, Wire mesh glass, Engraved glass etc.