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The primary function of laminated glass is two-fold: in the event of a breakage, the glazing must not cause injury nor become dislodged from its rabbet.
Its shock resistance makes it useful for applications where standards and technical sophistication are required.
Laminated glazing is made from assembling two sheets of clear float glass. These sheets are bonded together using plastic interlayers (PVB or EVA), the purpose of which is to keep the glazing in place once it has been broken. A standard PVB film is 0.38 mm thick. The naming conventions for laminated glass are usually as follows: XXy or XX.Y or XX/Y ‘’XX’’ means that glass is made up of two sheets of float glass that are ‘‘X’’ mm thick ‘’y’’ ,or ‘’.Y’’, or ‘’/Y’’ correspond to the number of films integrated in the lamination For example, non-symmetric laminated glass made up of a sheet of glass of 4 mm, a sheet of 6 mm and two plastic films will be named 46², or 46.2 or 46/2.
As such, the primary function of laminated glass is to keep the broken glass within the frame, but its significant resistance to impact and deformation means it can be used for specific applications, such as:
- Shop windows
- Guardrail glazing
- Bulletproof glazing
- Roof glazing
- Anti-intrusion glazing
Since clear laminated glass is classed as safety glass and security glass , it is subject to different regulations and performance classes:
Classification of safety products: NF EN 12600
Resistance to vandalism/intrusion NF EN 356
Resistance to fire arms: NF EN 1063
Resistance to explosions: NF EN 13541
See CE safety and security performance class guide
The other products of the range VIT PROTECT