Bulletproof Glass Sheets Of Glass
Bulletproof acrylic sheet is commonly used in applications such as banks convenience stores atms taxicabs prisons and more.
Bulletproof glass sheets of glass. This bullet resistant plexiglass meets ul 752 leel i and ii requirements for applications involving small firearms. This bullet resistant glass is made by layering polycarbonate with polyurethane layers in between. Tempered glass when broken disintegrates into small blunt harmless pieces. But these early bullet resistant glass windows were very unwieldy.
Bullet resistant glass in a glass clad polycarbonate make up is a multi ply composite laminate combing polycarbonate and glass using special polyurethane high adhesion bonding interlayers which allow for the expansion contraction differential of both materials. These materials are sold as a part of a bulletproof glass system cut to size or by the sheet. Here are the specifications of these three levels. This variety is 75 inches thick.
Laminated glass aka bulletproof glass is manufactured differently. Usually about four inches thick weighing more than 50 pounds per square foot and limited to being cut into small rectangular windows. The coated acrylic sheet plexiglas sbar offers 40 times the abrasion resistance of uncoated bullet resistant acrylic sheets. Plexiglas bullet resistant sheeting is available uncoated or with a special abrasion resistant coating.
A sheet of polycarbonate based bullet resistant glass can provide three levels of protection. Level 1 level 2 and level 3. It can stop small arms bullets and low blast. It is heat treated to make it 4 5 times stronger than ordinary glass.
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