PE (polyethylene) tarpaulin will be affected by sunlight, ultraviolet radiation and high temperature when exposed to the sun. The following situations may occur:

1. Fading: Prolonged sun exposure will cause the color of the PE tarpaulin to gradually fade, making its appearance outdated.

2. Embrittlement and aging: Ultraviolet radiation can damage the molecular structure of PE materials, making them fragile and prone to cracking. This can cause the tarp to deteriorate in texture and become prone to tears or holes.

3. Reduced durability: Sun exposure will reduce the durability and lifespan of the PE tarpaulin, so the tarpaulin needs to be replaced more frequently.

4. Loss of elasticity: High temperature and ultraviolet rays will cause the PE tarpaulin to lose its elasticity, making it stiff and prone to breakage.

In order to extend the service life of PE tarpaulin and maintain its quality, the following measures can be considered:

- Clean regularly: Clean your tarp regularly to remove dust, dirt and stains to reduce the possibility of color fading and staining.

- Sunscreen treatments: Consider using special sunscreens or tarp coverings to reduce UV rays.

- Shading: If possible, use shading facilities to reduce the time the sun directly shines on the tarp.

- Storage: When the tarp is not in use, it can be stored in a cool, dry place away from direct sunlight.

In short, PE tarpaulin will gradually be damaged when exposed to the sun, but with appropriate maintenance and protection measures, its service life can be extended and the problems of color fading and texture deterioration can be reduced.