Safety glass is used as a regular alternative to glass in situations where broken glass could cause injury or death, especially in cars. It has been used since the early 20th century, but demand has also increased dramatically for its benefits was implemented and standardized.
Origin
Safety glass was first conceived in 1903 when he dropped a composite bottle containing cellulose by the French scientist édouard Desfort. The glass shattered, but Maintains its shape. Tempered glass was developed in the early 20th century as well, first patented by Austrian chemist Rudolf Seidan.
Development
In 1905 John Crew patented the use of safety glass Two glass layers of tree resin type. Patented the "ternary" polyvinyl butyral in 1909. Two glass layers of polyvinyl butyral. Safety glass was discovered in the first gas masks and was used primarily in World War I.
Types
There are two different types of safety glass: laminated, and tempered. Laminated glass consists of two layers of glass that are made up of a single piece of plastic film. Tempered glass is a single piece of ordinary glass. It has been heated and cooled at a specific rate where it is enhanced.
Advantages
Safety glass is used anywhere where heat would cause problems in the glass or where it would be dangerous on a regular basis if the glass Crack. This is used in car windows, sliding glass doors in public buildings, windows, glass pots, oven doors and safety glasses.
REGULATIONS
USE And safety glass strength regulations began in developed countries in the 1960s, driving the safety development of the glass industry.