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Wood finishing is one of the most traditional and still popular uses of shellac mixed with solvents or alcohol. This dissolved shellac liquid, applied to a piece of wood, is an evaporative finish: the alcohol of the shellac mixture evaporates, leaving behind a protective film. [39] Shellac as wood finish is natural and non-toxic in its pure form.
The paper of woodblocks are often made of wood fibers and may react to non-archival quality storage materials. For example, if stored in paper folders, the prints can become acidic. Using acid-free storage materials can prevent these acidic processes.
"A composition composed of 10% of trichlorofluoromethane and 90% of a mixture of 50% methyl alcohol, 40% ethyl alcohol, 5% water and 5% of ethylene glycol mono-ethyl ether. This solvent mixture is non-flammable in the closed space of the reservoir and has a flash point of 100 °F when fully exposed to air.
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To make a print, the engraved plate is inked all over, then the ink is wiped off the surface, leaving ink only in the engraved lines. The plate is then put through a high-pressure printing press together with a sheet of paper (often moistened to soften it). The paper picks up the ink from the engraved lines, making a print.
To produce furfurylated wood the following steps are necessary: [10] Storage and mixing of impregnation solution: Approximately 40% furfuryl alcohol, water, polymerization initiators, catalysts, and surfactants are mixed and then poured into a storage tank. Impregnation: The wood is soaked in a pressure vessel in a three-stage process. First, a ...