1, plastic coloring has many functions, such as improving the light resistance and weather resistance of plastics; Give plastics some special functions, such as conductivity and antistatic property; Different colors of plastic film have the functions of weeding, insect prevention and seedling raising.

2. The role of colored plastic film in vegetable cultivation: soilless cultivation of Chinese chives, management of Chinese chives after plastic film mulching in greenhouse, methods for increasing the yield of tomatoes and sweet peppers, and seedling raising of Chinese toon buds and asparagus.

3. The application of plastic film mulching technology to spring-sown colored peanuts can play the role of warming and moisturizing, preventing soil erosion, sowing early, emerging quickly and neatly, which is beneficial to high and stable yield.

4.PVC color composite profile project has been approved by XPCC (Gongjiao) 1996442 issued by XPCC Planning Commission. This project is the focus of the Ministry of Construction ... Photodegradable film products play a great role in solving the white pollution of farmland plastic film.