Safety and security window films are polyester, or PET films that are applied to glass and glazing in order to hold them together if the glass is shattered (similar to laminated glass). The main difference between film and laminated glass is that these Shatter Safe films can be applied to the glass or glazing after manufacture or installation, i.e., it is a retrofit product. These films are used widely all over the world; they can be found on trains, buses, cars, and buildings.

The films are adhesive coated to bond them to the glass. The better safety films are smooth-coated, because they have far superior optical clarity. Safety and security window films are designed to perform under adverse conditions. As such, standards and standard tests have been devised to ensure that these films will perform in such a situation.

Safety and security films are used where there is a potential for injury from broken glass (such as glass doors or overhead glazing). These films can be applied to toughened, annealed, or laminated glass. They are available in various thicknesses, from 100 micrometer (or 4 mils minimum 2 ply) through to 525 micrometers + (21 mils). The film thickness is selected for level of protection desired and the dimensions of the glass pane. Manufacturers recommend 100 micrometer film (2 ply)for glass up to 3 mm (1/8 in) and 175 micrometer film for glass over 6 mm (1/4 in).

These films can be applied for security applications, where a delay of forced entry is desired. The Performance of these films is affected by adhesive bond strength, thickness of the polyester, quality of application, and window structure/frame.

These films can be applied in food processing facilities where glass needs to be contained should it fracture and not fall into the food/s processing facilities. Shatter Safe Films are approved and applied in many food and beverage processors throughout North America.

The films are adhesive coated to bond them to the glass. The better safety films are those that are smooth-coated, because they have far superior optical clarity.
 

Protection of glazing during earthquakes

In many parts of the world, earthquake activity is an ever-present fact of life. Ground motion during seismic activity causes building movement, which in turn causes glass breakage and glass fall-out, endangering people below, and again exposing a building’s contents to weather damage and theft during looting sprees. Safety and security films have proven their worth in protecting people and property during seismic activity, by helping retain window glass in its frame, thus prevent injury by falling glass.

 

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