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Mastic tears. Mastic (Greek: Μαστίχα) is a resin obtained from the mastic tree (Pistacia lentiscus). [1] It is also known as tears of Chios, [2] being traditionally produced on the island Chios, and, like other natural resins, is produced in "tears" or droplets.
Varnish on wood stairs Varnished oak floor. Varnish is a clear transparent hard protective coating or film. It is not to be confused with wood stain. It usually has a yellowish shade due to the manufacturing process and materials used, but it may also be pigmented as desired. It is sold commercially in various shades.
Dammar varnish and similar gum varnishes auto-oxidize and yellow over a relatively short time regardless of storage method; this effect is more pronounced on paintings stored in darkness than with works on display in light due to the bleaching effects of sunlight on the colorants involved.
Varnish is a mixture used primarily to coat wood. Varnish may also refer to: Varnish (software), a reverse proxy and HTTP accelerator; Jessica Varnish, British track cyclist; Desert varnish, a coating found on exposed rock surfaces in arid environments; Fluoride varnish, applied to the tooth's surface in dentistry; Conformal coating, a type of ...
Shellac comes from shell and lac, a partial calque of French laque en écailles, 'lac in thin pieces', later gomme-laque, 'gum lac'. [6] Most European languages (except Romance ones and Greek) have borrowed the word for the substance from English or from the German equivalent Schellack.
Without elasticity, the varnish would soon crack, allowing water to penetrate the wood beneath. Prior to the development of modern polymer chemistry, varnish production was rudimentary. Originally, spar varnish was a "long oil" varnish, composed primarily of drying oil with a small proportion of resin, usually boiled linseed oil and rosin. [1]
Nail polish (also known as nail varnish in British English or nail enamel) is a lacquer that can be applied to the human fingernails or toenails to decorate and protect the nail plates. The formula has been revised repeatedly to enhance its decorative properties, to be safer for the consumer to use, and to suppress cracking or peeling.
Fluoride varnish is a highly concentrated form of fluoride that is applied to the tooth's surface by a dentist, dental hygienist or other dental professional, as a type of topical fluoride therapy. [1] It is not a permanent varnish but due to its adherent nature it is able to stay in contact with the tooth surface for several hours.