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The lining of paintings is a process of conservation science and art restoration used to strengthen, flatten or consolidate oil or tempera paintings on canvas by attaching a new support to the back of the existing one. The process is sometimes referred to as relining.
Oil paint is a medium made up of pigments and a drying oil binding agent. Various other ingredients can be mixed in to condition the paint in several ways and modify its various properties and drying. [1] Oil paintings are painted on various surface support types. Oil on canvas, oil on board, and oil on metal are only some examples of oil ...
Oil painting is the process of painting with pigments that are bound with a medium of drying oil, such as linseed oil, poppyseed oil which was widely used in early modern Europe. Often the oil was boiled with a resin such as pine resin or even frankincense ; these were called 'varnishes' and were prized for their body and gloss.
The conservation-restoration of panel paintings involves preventive and treatment measures taken by paintings conservators to slow deterioration, preserve, and repair damage. Panel paintings consist of a wood support, a ground (linen or parchment sized with glues , resin , and gesso ), and an image layer ( encaustic , tempera , oil ). [ 1 ]
Nevertheless the sandarac varnish is still valued today for use as a protective coating on paintings and antiques. [4] It gives a coat which is hard, lustrous and durable. The varnish is made by melting the resin and mixing it with (e.g.) linseed oil. Sandarac resin melts at about 150 °C to a colourless or slightly yellow liquid. Its specific ...
The refined resin is sometimes available as a translucent solid and is then "run" by cooking or melting it in a pot over heat without solvents. The thickened oil and prepared resin are then cooked together and thinned with turpentine (away from open flame) into a brushable solution. The ingredients and processes of violin varnish are very ...
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A basic rule of oil paint application is 'fat over lean', meaning that each additional layer of paint should contain more oil than the layer below to allow proper drying. If each additional layer contains less oil, the final painting will crack and peel. The consistency on the canvas depends on the layering of the oil paint.