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Tinted films are necessary for protection to 500 nm. [7] Window films filter out over 99% of UV rays at 380 nm, reducing the main factor in fading. However, additional factors such as solar heat, visible light, humidity, and presence or absence of chemical vapors also contribute to fading.
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.
Some smart windows can self-adapt to heat or cool for energy conservation in buildings. [5] [6] [7] Smart windows can eliminate the need for blinds, shades or window treatments. [8] Some effects can be obtained by laminating smart film or switchable film onto flat surfaces using glass, acrylic or polycarbonate laminates. [9]
A typical window insulation film kit, consisting of plastic shrink film (folded-up) and a roll of double-sided tape. One commonly used film is a heat-shrink plastic which is attached to the window frame using double-sided pressure-sensitive tape. A hair dryer is used to remove creases and improve optical clarity.
Film toning is the process of replacing the silver particles in the emulsion with colored, silver salts, by means of chemicals. [2] Unlike tinting, toning colored the darkest areas, leaving the white areas largely untouched. Tinting was very popular in the silent film era. By 1920, tinting was used for 80 to 90 percent of all films. [3]
When it comes to muscular diseases, most of us have heard of especially common ones like muscular dystrophy and Lou Gehrig's disease.But one of the rarest muscular disorders is also one of the ...
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