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Home , Paint, Resin, Varnish

& Varnishes are used for protecting sunken-in. It is applied only over those areas which from dirt and atmospheric . They have dried, making color matching of new and dry easier. Some sunken-in areas require more than are meant to be removable for cleaning and one coat of retouch to retrieve the fresh color of restoring paintings, in order to replace it with a wet paint. It should be applied in very thin layers and fresh coat. Varnishing also helps give paintings allowed to dry thoroughly between coats. a consistent look, as oil techniques are notorious for creating paint surfaces that DAMAR VARNISH have an uneven quality. Grounds are often Damar , also spelled dammar, is variably absorbent and one may react tapped from the damar found differently from another, resulting in a surface chiefly in Indonesia and Malaysia and is the most traditional varnish for oil of dull and shiny spots. A varnish can provide a paintings. It appears in stores as clear or consistent in either a high gloss, matte slightly yellowish, dusty crystals about or satin finish.Varnishes are either natural or 2.5 to 5 cm (1 to 2 inches) in diameter. synthetic but regardless they should be thin, Gum is the of choice for the artist wanting to dissolve clear, non-yellowing and flexible - to bend with damar crystals as other either dissolve the the inevitable expansion and contraction of the resin incompletely or are difficult to store safely in the painted support. average studio. Damar varnish with age, and its films become brittle. This is caused by exposure to light, present in most lighting systems, and PICTURE VARNISH is nearly unavoidable unless you use special filters This is the final coating for oil, alkyd and over the light source. Yellowing and brittleness are acrylic paintings. Its purpose is to create a also caused by oxidation, which in turn is encouraged uniform finish and to protect the painting by exposure to ultraviolet light. Although Damar from dirt and atmospheric conditions. A is reversible varnish, its repeated removal and picture varnish should only be applied to replacement to counteract yellowing are significant a thoroughly dry painting — 6-12 months problems for conservators charged with the care of for , 1-2 months for , 24 hours a work, since the process can ultimately be harmful to to 2 weeks for acrylics. A painting with the painting. delicate glazes may take less time to dry and should not be left unvarnished for too long. VARNISHES AT OPUS ECO-HOUSE Damar Picture Varnish: This damar RETOUCH VARNISH varnish is made with a combination of damar This is the same as a picture varnish, but it resin and Eco-House Mild Citrus Thinner with small contains more turpentine, so it will not form a skin or amount of linseed stand oil for elasticity. This varnish create a high gloss when it is sprayed or applied with can be used as a final picture varnish over well-dried a soft brush. The purpose of a retouch varnish is to oil paintings. It yields a glossy protective finish. For recreate the original color appearance of wet paint on reduced gloss, Eco-House Citrus Thinner can be added. areas where the paint has dried out or appears to have

OPUS & Art Supplies Page  OIL & ALKYD VARNISHES GAMBLIN Gamvar: Gamvar is a low molecular LIQUITEX Soluvar: Pure acrylic spirit varnish for oil weight, varnish that has a refractive and acrylic paintings. It is removable with mineral index similar to damar natural varnish. Applying spirits or turpentine. Paintings must be completely dry. it as a top layer will saturate the colors of your paintings and intensify the transparency of glazes. STEVENSON Damar Crystals: Comes in clear or While varnishing is an aesthetic decision made by slightly yellowish crystals about 2.5 to 5 cm (1 - 2”) in individuals, historically varnishes protect paintings diameter. Gum turpentine is often used to dissolve the from environmental dirt and dust. Gamvar contains crystals as many other solvents either dissolve the them an ultraviolet light stabilizer which protects paintings incompletely or are not safe for keeping in the studio. from UV radiation. Damar varnish yellows with age, and its film become brittle. Damar is reversible, but its repeated removal GOLDEN MSA Varnish with UVLS: A mineral and replacement to counteract yellowing are significant spirit soluble Acrylic (MSA) varnish that incorporates problems for conservators since the process can be a system of UltraViolet Light filters and Stabilizers ultimately harmful to the painting. (UVLS). Removable for conservation. Physically tougher than waterborne acrylic varnishes. Protects STEVENSON Satin Varnish & Medium: Gives a satin, from UV damage. Adheres to a wide variety of surfaces low-gloss clear finish that is weather-resistant, water and paint mediums, including acrylics, oils, alkyds, and humidity-proof. Removable with turpentine for pastels, watercolours and . Non-yellowing. cleaning purposes. May be applied with a soft brush or diluted for a spray. As a re-touch varnish it softens to KRYLON Kamar: Clear, non-yellowing, restores permit binding of the under-painting with the overlay, brilliance of “sunken-in” colours. It allows for the yet the colours will not mix together. For glazing it may temporary protection and retouch workability on be mixed with colours to give a transparent effect. paintings which aren’t dry. Developed as a synthetic It can also be used as a to mix with dry alternative to traditional damar varnish in a convenient or other materials like to create different effects. spray can.

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