RUSTINS Metal Laquer, Clear, 125 ml (Pack of 1)

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A clear lacquer based on polymethacrylic ester leaves a film that does not yellow or craze on ageing as do many cellulose lacquers. Lacquer-yielding trees in Thailand, Vietnam, Burma and Taiwan, called Thitsi, are slightly different; they do not contain urushiol, but similar substances called laccol or thitsiol. The result is similar but softer than the Chinese or Japanese lacquer. Burmese lacquer sets slower, and is painted by craftsmen's hands without using brushes.

It is perfect for preventing tarnishing on metals which are particularly susceptible to oxidisation during wear such as brass and copper as well as for protecting patinas which you have purposefully applied, such as liver of sulphur.Main article: Urushiol A Chinese six-pointed tray, red lacquer over wood, from the Song dynasty (960–1279), 12th–13th century, Metropolitan Museum of Art. From the 16th century to the 17th century, lacquer was introduced to Europe on a large scale for the first time through trade with Japanese. Until the 19th century, lacquerware was one of Japan's major exports, and European royalty, aristocrats and religious people represented by Marie-Antoinette, Maria Theresa and The Society of Jesus collected Japanese lacquerware luxuriously decorated with maki-e. [20] [21] The terms related to lacquer such as " Japanning", " Urushiol" and " maque" which means lacquer in Mexican Spanish, are derived from Japanese. [22] [23] The lacquer can be applied by spray and due to its low viscosity it is not normally necessary to thin. Remove all traces of metal polish with warm soapy water and dry with a lint free cloth or paper towel.

A maki-e and mother-of-pearl inlay cabinet that was exported from Japan to Europe in the 16th century. Types of lacquer vary from place to place but they can be divided into unprocessed and processed categories. Webb, Marianne (2000), Lacquer: Technology and Conservation, Butterworth Heinemann, ISBN 0-7506-4412-5 – A Comprehensive Guide to the Technology and Conservation of Asian and European Lacquer

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Preparation: Surface must be clean and free from all traces of wax, grease and metal polish. Lightly tarnished surfaces should be cleaned with a good quality metal polish, which must then be removed with warm soapy water. If the surface is not smooth, a nail brush should be used to ensure there is no polish left in the crevices. The article should then be dried with a cloth. The problem with using nitrocellulose in lacquers was its high viscosity, which necessitated dilution of the product with large amounts of thinner for application, leaving only a very thin film of finish not durable enough for outdoor use. This problem was overcome by decreasing the viscosity of the polymer (the term actually post-dates the empirical solution, with Staudinger's modern structural theory explaining polymer solution viscosity by length of molecular chains not yet experimentally proven in 1920s) with heat treatments, either with 2% of mineral acid or in an autoclave at considerable pressure. [25] Lacquer sheen is a measurement of the shine for a given lacquer. [8] Different manufacturers have their own names and standards for their sheen. [8] The most common names from least shiny to most shiny are: flat, matte, egg shell, satin, semi-gloss, and gloss (high).

The first practical nitrocellulose enamel Glossy White S.2567, still for interior use, was introduced in 1919 in the UK by Nobel Explosives. [26] In 1923, General Motors' Oakland brand automobile was the first to introduce one of the new fast-drying nitrocellulose lacquers, a bright blue, produced by DuPont under their Duco tradename. [24] :295–301 In 1924 the other GM makes followed suit, and by 1925 nitrocellulose lacquers were thoroughly disrupting the traditional paint business for automobiles, appliances, furniture, musical instruments, caskets, and other products. [24] :295–301 Henry Ford and, in the UK, Herbert Austin were introducing nitrocellulose lacquers at the same time, and soon the market flourished. The lacquer is best applied in dry warm weather as dampness can sometimes result in ‘blushing’ of the surface which results in a milky finish.If possible objects such as letterboxes should be removed from the door so that at least one coat of lacquer can be applied to the edges of the reverse side. Lacquers using acrylic resin, a synthetic polymer, were developed in the 1950s. Acrylic resin is colourless, transparent thermoplastic, obtained by the polymerization of derivatives of acrylic acid. Acrylic is also used in enamel paints, which have the advantage of not needing to be buffed to obtain a shine. Enamels, however, are slow drying. The advantage of acrylic lacquer is its exceptionally fast drying time. The use of lacquers in automobile finishes was discontinued when tougher, more durable, weather- and chemical-resistant two-component polyurethane coatings were developed. The system usually consists of a primer, colour coat and clear topcoat, commonly known as clear coat finishes. Priory Polishes, Silver / Brass Lacquer 100ml is suitable for most polished metals such as Silver, Brass, Dials etc. Standeven, Harriet A. L. (2011). House Paints, 1900-1960: History and Use. Getty Publications. ISBN 9781606060674.

Lightly tarnished surfaces should be cleaned with a good quality metal polish, which must then be removed with warm soapy water. Lacquer is regularly used on brass ornaments and on the surface of finely machined steel. This ensures that the surface remains as clean and polished / machined, as the day the initial finish was produced. In terms of modern finishing products, finishes based on shellac dissolved in alcohol are often called shellac or lac to distinguish them from synthetic lacquer, often called simply lacquer, which consists of synthetic polymers (such as nitrocellulose, cellulose acetate butyrate ("CAB"), or acrylic resin) dissolved in lacquer thinner, a mixture of various organic solvents. [2] Although synthetic lacquer is more durable than shellac, traditional shellac finishes are nevertheless often preferred for their aesthetic characteristics, as with French polish, as well as their "all-natural" and generally food-safe ingredients. Surface Preparation - Surface must be clean and free from all traces of wax, grease and metal polish. Compatibility: To prevent incompatibility please remove any old coatings with Rustins Strypit Paint and Varnish Stripper.There are a number of forms of urushiol. They vary by the length of the R chain, which depends on the species of plant producing the urushiol. Urushiol can also vary in the degree of saturation in the carbon chain. Urushiol can be drawn as follows: Unfortunately, We Cannot Guarantee Next Working Day - you will be notified if we can't fulfill this. The trees must be at least ten years old before cutting to bleed the resin. It sets by a process called "aqua-polymerization", absorbing oxygen to set; placing in a humid environment allows it to absorb more oxygen from the evaporation of the water. Lacquers are usually solvent based, which means brushes and spraying equipment need cleaning with white spirit / thinners. Major, John S., Sarah Queen, Andrew Meyer, Harold D. Roth, (2010), The Huainanzi: A Guide to the Theory and Practice of Government in Early Han China, Columbia University Press, p. 219.