What are the requirements for the use of plastic panels in greenhouses?

1. Plastic panels used in greenhouses should have a high light transmission capability to allow sufficient sunlight to reach the plants. The minimum light transmission requirement may vary, but it is generally recommended to have panels with at least 80% light transmission.

2. Plastic panels should be UV stabilized to prevent degradation and yellowing due to prolonged exposure to sunlight. UV stability ensures the longevity and performance of the panels.

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3. Greenhouse plastic panels should be durable enough to withstand environmental conditions, such as wind, rain, and hail. They should be resistant to cracking, tearing, and breaking.

4. Depending on the climate and the type of plants being grown, greenhouse plastic panels may need to provide insulation to maintain optimal temperature and humidity levels. Insulation properties can help reduce heat loss during colder months and prevent overheating during warmer months.

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5. Plastic panels should be resistant to chemicals commonly used in greenhouse operations, such as fertilizers, pesticides, and cleaning agents. This ensures that the panels do not degrade or react with these substances, which could potentially harm the plants.

6. In some regions, there may be requirements for greenhouse plastic panels to have fire-resistant properties to minimize the risk of fire spreading in case of an accident.