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Advantages and Disadvantages of Lacquers

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By LAdavis



Pro and Cons of Choosing Lacquers Over Varnishes

Many advantages of lacquers and lacquer enamels over varnishes and varnish enamels have been advanced by manufacturers and enthusiastic users of new quick drying nitrocellulose finishes. They are very valuable for certain kinds of work, but their use has been misunderstood and, in the hands of novices, there have been many discouraging failures. Nevertheless, more experienced users and manufacturers of these nitrocellulose lacquers have noticed many advantages.

These lacquers can be set up quickly. They dry hard much sooner than varnishes do, allowing the production rate of goods to be sped up and the amount of floor space used for drying to be lessened. Also, because of the quick drying time, dust specks are much less likely to land on the wet surface. The dry, finished coating from these lacquers is very stable and hard. It does not oxidize and crumble away with time, unlike many oil varnishes.

This way, the fine wood that was used to make the furniture can last throughout the ages. If the product doesn't have a proper varnish, it won't matter if the maker had access to a fiberglass measuring tape. This isn't to say that logger measure tapes aren't important, it's just that even a pocket measuring tape couldn't make up for a crummy, crumbling varnish job only a couple of decades after the piece of furniture was built.

When used by an expert, lacquer coatings are extremely durable and have a long lifespan. They are not easily affected by exposure to soap, diluted alcohol, weak acids, oils, road tar, water, ice, moderate temperature changes, or sunlight. They also hold up well against wear. They do not change in tone or shade while they are drying, so you can be fairly sure of what the finished product will look like throughout the entire finishing product. They are also somewhat moisture resistant.

However, there are some disadvantages to lacquer finishes as well. They are difficult to apply with brushes because the finishes set and dry too quickly. They also are absorbed by undercoats, so they tend to shrink while during. This can make dealing with porous woods extremely difficult. Not even the most advanced metric tape measure nor the most elusive unique tape measures can help you with this, as tape measure clips and various other things do not have a great effect on the wood finishing job.

Also, some of the solvents in the lacquer are the same as or similar to the liquids in paint and varnish removers. Thus, if undercoats of varnish, enamel, oil, wax, or paint are used directly under the lacquer coating, then they can be softened and destroyed. This can be avoided by giving the undercoats an overcoat of shellac.

Lacquers should also not be applied directly over surfaces that have been finished with linseed oil stains or ordinary wood fillers because it can streak, bleed, and make a ems due to the solvents upon the linseed oil in the undercoats. Thus, under lacquer finishes, the absolute minimum of water stains and wood fillers containing linseed oil should be used. Similarly to other types of undercoats, a coating of shellac over the wood filler can protect it from the lacquer solvents.

Spirit soluble stains also cannot be used directly under clear lacquer finishes without the danger of obtaining a muddy effect. The lacquer finishes must be thin when applied to a surface, reducing their body/depth and requiring a greater number of coats than ordinary. The extremely glossy look that is obtained from rubbing and polishing varnishes cannot be coaxed out of surfaces with a lacquer.


Recent Events on Lacquers

  • First Exhibition of Ceramic Installations by Edmund de Waal at Alan Cristea GalleryArt Daily2 days ago

    Edmund de Waal, An English Matins, 2009White lacquer cabinet with 40 thrown porcelain vessels, 50 x 60 x 12 cm (closed), 50 x 80 x 32 cm (open). Courtesy the artist and Alan Cristea Gallery.

  • Pie In The SkyContract Magazine14 hours ago

    Perhaps for many, the word "cafeteria" conjures up memories of childhood days spent in a dark lunchroom with ladies in hairnets slinging slop onto plates, and thoughts of high design and quality nutrition never come to mind.

  • Gallerist Mark Busacca: passion for collectingSan Francisco Chronicle22 hours ago

    Five years ago, while looking for collectible antiques online, San Francisco artist Mark Busacca was disappointed that his searches yielded only text-based results. "As a visual person," he recalled, "I wanted to see the objects before considering a purchase."...

  • 'One more milestone:' Clayton Center for the Arts receives certificate of occupancyThe Maryville Daily Times22 hours ago

    With less than two months until the first public performance at the Clayton Center for the Arts, workers and officials are getting ready to punch the ball into the end zone.

  • A homemade ChristmasSan Antonio Express-News2 days ago

    Tanja Hernandez, a young mother and Army wife, spent about $30 this year on gifts for her extended family. Which is pretty great until you factor in the three weeks spent hand-making 42 votive candles and 42 bars of soap.

  • Tweets (And More) Of The Week: Why Are We Looking At Sotomayor's Red Nails?Forbes4 days ago

    Some readers say it's important for powerful women to show off their femininity and culture; others say it's just not important.

  • Christkindl Market brings international flavor to downtownDenver Post5 days ago

    Good economy or bad, Andriy Shaptala travels to Denver every year from his home in Ukraine to sell his Russian Christmas wares — hand-carved wooden toys and lavish lacquer boxes — at the Christkindl Market.

  • Phenomenal storyline propels ‘District 9’ - Fri, 25 Dec 2009 PSTThe Spokesman-Review3 days ago

    ‘District 9’ The poison that permeates this phenomenal film is the same toxin that defined so much of 20th-century history: the oppression of the Other – in this case, scaly aliens with feelers for faces, a jones for canned cat food and a mother ship that has been hovering over Johannesburg for 20 years.


Lacquers vs Varnishes

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