How can oil paintings be preserved for a long time without discoloration or cracking
If an oil painting is properly maintained, it can remain colorfast for hundreds of years. Conversely, it may experience cracking, peeling and discoloration of the color layers.
How exactly can we protect the canvas from damage?
First, you can apply two thin layers of natural beeswax pre-dissolved in turpentine on the back of the canvas. This can completely prevent the infiltration of moist air and cause damage.
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Secondly, oil paintings should avoid long-term direct exposure to sunlight, as ultraviolet rays are highly destructive to colors, causing them to fade and change color.
Thirdly, the room for storing oil paintings must have good ventilation. Pay attention to preventing damage to the canvas caused by dust and mold. The room needs to be maintained within a certain range of temperature and humidity.
Finally, when painting oil, it is strictly forbidden to stick two pictures side by side. Once the temperature rises, the pictures are very likely to stick together, causing the oil paint to fall off and the picture to be damaged
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