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We live our lives daily surrounded by laminated glass - whether in modern windows, staircase balustrades or even bullet proof glass panels.

Laminated glass is essentially normal window glass but it has been bonded to another sheet or sheets of glass with a clear plastic film. This ensures that if the glass should be broken it cannot fall apart. the more layers the stronger it is. It can be strong enough to stop a bullet.

A special plastic sheet is sandwiched with two or more layers of glass. This is heated until it starts to melt & is then squeezed between rollers to squash it together. The glass is then placed in an autoclave, a large oven with a vacuum inside for 6-8 hours. The heat softens the plastic film, whilst the vacuum helps to completely remove trapped air. The inter layer becomes completely transparent, bubble free and the process is then complete.

Links
Romag - a UK based glass factory
Laminated glass - description
Float Glass or window glass, a description
Toughened & tempered glass - description
Sheet glass deliveryStorage of sheet glassApplication of laminated glass inter layerComputer controlled heating & rolling of inter layerGlass passing through heaters to melt inter layerGlass passing through heaters to melt inter layerGlass laminate compressed after heating by rollersRemoval from machineGlass laminates after initial joiningA sheet of laminated bullet proof glassAutoclave for final heating of laminated glass to melt inter layer & remove air bubblesAutoclave for final heating of laminated glass to melt inter layer & remove air bubblesVertical diamond saw for cutting glassComputer controlled edge grinder & polisherVertical diamond drill, glass cleaning machine with inspection areaDouble sided edge grinder & polisherGlass sheet linisher for grinding two bevels simultaneously2EDM1341 - Version 2Kiln with moulds for forming windscreens.Kiln with glass on moulds ready for heat treating to make laminated windscreen components