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varnish
varnish
varnish. Solution of natural or synthetic
resin dissolved in liquid, used as a protective coating on the surface of a painting or sometimes as a paint
medium. Ideally varnish should be colourless and transparent, but most have darkened with age. Natural resin varnishes are usually either oil based or spirit based. Oil varnishes, which have been used since the Middle Ages, are made by dissolving resins (such as
mastic or
sandarac) in hot oil (usually
linseed). These were the main types of picture varnishes until well into the 20th century, when they were largely replaced by synthetic equivalents. Spirit-based varnishes are made by dissolving resin in a rapidly evaporating liquid such as
turpentine. Other organic varnishes have used gum arabic (notably for manuscript illuminations) and egg white (particularly for temporary varnishes, removed a year or so later and replaced with a permanent varnish).
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Varnish: The cholesterol in your plant equipment.
Magazine article from: Plant Engineering; 6/15/2007; ; 700+ words
; ...s nothing healthy about this stuff. Varnish is a nasty, hard, sticky substance that...arteries and slows the flow of blood, varnish slows and, if left unaddressed, eventually...is the key factor in the development of varnish and its close associate, oxidation...
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Varnish Like A Pro.(How To...: Helpful Maintenance Tips And Essential DIY Projects For Your Boat)
Magazine article from: Motorboating; 8/1/2007; ; 700+ words
; ...true principles is the key to a perfect varnish job. The first of these is not to scrimp...You get what you pay for when it comes to varnish and brushes. Use only a premium-grade marine varnish and the best quality brush you can find...
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Vanishing varnish: power plant owners have discovered that lubrication health plays a big role in keeping turbines running smoothly. Identifying varnish in turbine oils and getting rid of it are key to maintaining machinery reliability.
Magazine article from: Power Engineering; 8/1/2005; ; 700+ words
; ...challenges are arising regarding sludge, varnish and deposit formation for many gas and steam...new phenomenon, a better understanding of varnish is needed. [FIGURE 1 OMITTED] WHAT IS VARNISH? Varnish is a thin, insoluble film deposit...
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Desert varnish.(Word to the Wise)
Magazine article from: Rocks & Minerals; 9/1/2006; ; 700+ words
; ...These coatings are collectively known as desert varnish (Whalley 1983). Desert varnish is composed mostly (70 weight percent) of clay...are strong pigmenting agents and give desert varnish its characteristic black or red colors, respectively...
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Vehicles and Varnishes Report.
Magazine article from: Ink World; 2/1/2001; ; 700+ words
; ...vehicle and varnish that drives...Vehicles And Varnishes Ink industry leaders agree that varnishes and vehicles...products. "Varnish is essentially...maker and the varnish supplier have...for lower cost varnishes. Finally many...
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VARNISH: LOOKING AHEAD
Magazine article from: Turbomachinery International; 9/1/2008; ; 700+ words
; ...each other, throwing blame about why varnish has become such a high-profile issue...Filter companies who claim they can solve varnish have been embarrassed by selling equipment...changing theories from suppliers on why varnish is forming and how to solve it. Lack...
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Varnish test. (yachting varnish test)
Magazine article from: Yachting; 10/1/1994; ; 700+ words
; ...The yard chose those varnishes which they use most...their customers. Each varnish was applied to a separate...THE VARNISH. SPAR VARNISH, MIXED 50 TO 70 GALLONS...A LONG OIL-LENGTH VARNISH. INTERIOR VARNISHES ARE MEDIUM OIL-LENGTH...
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Vehicles and varnishes: Developing products are key to creating new markets and spurring growth.
Magazine article from: Ink World; 2/1/2002; ; 700+ words
; ...address this blend. "Varnishes and vehicles affect...components for the varnish/vehicle depends...manufacture of their varnish, causing an overall shrinking of the varnish market. Another...slow market for varnishes was the large number...
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Exorcising the varnish ghost. (Print Clinic) (Column)
Magazine article from: Graphic Arts Monthly; 7/1/1992; ; 700+ words
; ...This column describes a somewhat different type: varnish ghosts. Varnish ghosts differ from chemical ghosts in that they appear...application of an off-line gloss or dull overprint varnish. (Most "chemical" ghosts require a number of hours...
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Fluoride varnish: a useful dental public health tool.
Magazine article from: The Internet Journal of Dental Science; 3/4/2007; ; 700+ words
; ...trials of fluoride varnish gave mixed results...clinical efficacy of varnishes was equivocal...confirmed fluoride varnish is efficacious in...demonstrated that varnishes can supply fluoride...efficacy of fluoride varnish in preventing root...in the elderly. Varnishes need to be ...
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varnish
Book article from: The Columbia Encyclopedia, Sixth Edition
...it may be a natural varnish made in the East from...of trees. Among the varnishes named either for their...and copal picture varnish. Varnish has been known...drying linseed oil varnish on their instruments...Technology of Paints, Varnishes, and Lacquers (1968...
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SIC 5198 Paint, Varnishes, and Supplies: Wholesale Distribution
Encyclopedia entry from: Encyclopedia of American Industries
SIC 5198 PAINT, VARNISHES, AND SUPPLIES: WHOLESALE...distribute wholesale paints, varnishes, wallpaper, and supplies...s) 422950 (Paint, Varnish and Supplies Wholesalers...the wholesale paint, varnishes, and supplies industry...long term. The paint, varnish, and supply wholesale...
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SIC 2851 Paints, Varnishes, Lacquers, Enamels, and Allied Products
Encyclopedia entry from: Encyclopedia of American Industries
SIC 2851 PAINTS, VARNISHES, LACQUERS, ENAMELS...ready-mixed form); varnishes; lacquers; enamels...and sealers; paint and varnish removers; paintbrush cleaners...National Paint, Oil, and Varnish Association, was founded...
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stopping-out varnish
Book article from: The Concise Oxford Dictionary of Art and Artists
stopping-out varnish. An acid-resisting varnish used in etching and similar printmaking processes.
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desert varnish
Book article from: A Dictionary of Earth Sciences
desert varnish Thin, dark surface veneer of iron and manganese oxides which coats exposed rocks, especially in hot deserts. It results from the surface precipitation of minerals released from the rock by chemical weathering .
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