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In archival or conservation picture framing, mats have several important functions. One of the most important functions is that it separates the glass from the art or document being framed; this is primarily important because any condensation that develops on the inside of the glass can be transferred to the piece if they are not separated, resulting in water damage, mold or mildew.
Digital ceramic printing on glass has expanded the options for printing on glass. UV and silk screen printing have limitations that digital printing overcomes. Digitally printed glass can be applied both to the interior and exterior surfaces, the most simple to complex graphic illustrations can be printed in the CMYK color model. [5]
Low-iron, or water white glass, is made using special iron free silica, and is generally only available in 2.0 millimetres (0.079 in) thicknesses for picture framing applications. Because low iron glass light absorption can be as low as 0.5%, compared to about 2% for clear glass, the light transmission will be better than clear glass. Low iron ...
Celluloids are a class of materials produced by mixing nitrocellulose and camphor, often with added dyes and other agents.Once much more common for its use as photographic film before the advent of safer methods, celluloid's common present-day uses are for manufacturing table tennis balls, musical instruments, combs, office equipment, fountain pen bodies, and guitar picks.
186 etched glass at Bankfield Museum. Glass etching, or "French embossing", is a popular technique developed during the mid-1800s that is still widely used in both residential and commercial spaces today. Glass etching comprises the techniques of creating art on the surface of glass by applying acidic, caustic, or abrasive substances.
Being printed on glass, orotone images are extremely fragile and often require specialized frames in order to prevent breakage. Other types of prints can be made with the same negative used to make an orotone. Consequently, silver gelatin prints and platinotypes (platinum and palladium prints) are also made by those who produce orotone prints ...
Diasec is a process which uses acrylic glass as a substitute for normal glass in picture frames. This is done for its relatively low cost, light weight, shatter-resistance, aesthetics and because it can be ordered in larger sizes than standard picture framing glass.
Glass plates were far superior to film for research-quality imaging because they were stable and less likely to bend or distort, especially in large-format frames for wide-field imaging. Early plates used the wet collodion process. The wet plate process was replaced late in the 19th century by gelatin dry plates.
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