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In other words, a translucent material is made up of components with different indices of refraction. A transparent material is made up of components with a uniform index of refraction. [1] Transparent materials appear clear, with the overall appearance of one color, or any combination leading up to a brilliant spectrum of every color.
Pure cellulose fiber is translucent, and it is the air trapped between fibers that makes paper opaque and look white. [3] If the fibers are refined and beaten until all the air is taken out, then the resulting sheet will be translucent. Translucent papers are dense and contain up to 10% moisture at 50% humidity.
Glassine is most commonly used as a base for further silicone coating for the manufacture of release liner.Glassine is also used as an interleaving paper in bookbinding, especially to protect fine illustrations from contact with facing pages; the paper can be manufactured with a neutral pH and can prevent damage from spilling, exposure, or rubbing.
Onionskin or onion skin is a thin, lightweight, strong, often translucent paper, [1] named for its resemblance to the thin skins of onions. [2] It was usually used with carbon paper for typing duplicates in a typewriter , for permanent records where low bulk was important, or for airmail correspondence. [ 3 ]
Waxed paper. Waxed paper (also wax paper, waxpaper, or paraffin paper) is paper that has been made moisture-proof and grease-proof through the application of wax.. The practice of oiling parchment or paper in order to make it semi-translucent or moisture-proof goes back at least to the Middle Ages.
Transparency in PDF was designed not to cause errors in PDF viewers that did not understand it – they would simply display all elements as fully opaque. However, this was a two-edged sword as users with older viewers, PDF printers, etc. could see or print something completely different from the original design.
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Lithophane of Frederick the Great, lit from front.After a well known painting by Julius Schrader (1849). [1] The same lithophane, backlit. A lithophane is a thin plaque of translucent material, normally porcelain, which has been moulded to varying thickness, such that when lit from behind the different thicknesses show as different shades, forming an image.