The Preservation and Maintenance of Oil Paintings
Generally speaking, as long as proper protection is provided, oil paintings can be preserved for two or three hundred years. Therefore, how to "preserve and maintain" is a common concern for collectors and friends.
Special attention
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★ Pay attention to light.
Do not allow direct sunlight as ultraviolet rays are highly destructive to colors; if there are spotlights, use cold light bulbs. Improper lighting can cause fading and color changes.
★ Pay attention to pest prevention.
The inner frames of oil paintings are usually made of wood, so be careful to prevent pests.
★ Pay attention to ventilation.
It is recommended to have regular ventilation in the space where the oil paintings are placed or hung.
★ Pay attention to moisture prevention.
Keep away from bathrooms and kitchens to prevent water vapor and from damaging the canvas； if the painting gets damp， it must be slowly dried in the shade， and avoid direct sunlight as it can easily cause the picture to fall off.
Maintenance details：
★ Remove dust.
Use a feather duster to sweep it off， or gently wipe it with a slightly damp clean cloth.
★ Remove smoke and oil.
You can try wiping it with a slightly diluted soap solution and clean water gently， then quickly use a sponge to absorb the water on the painting surface， and then gently blow the surface of the painting with an electric fan. If it is an old painting with cracks， be sure to use less water and perform local dry wiping only.
Transportation precautions：
★ Do not stick two paintings together； because as the temperature rises， the paintings may stick together， causing the paint to stick and fall off and the picture to be damaged.
★ When rolling up the oil painting， make the canvas face inward and the picture face outward. Wrap an outer layer of paper tube and then wrap it with plastic cloth to prevent the painting from cracking.
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