Light transmittance is another key factor in evaluating greenhouse performance. The light transmittance of Risente's special endurance board for planting greenhouses can reach about 88, and it adopts improved anti-ultraviolet treatment. Therefore, it will not yellow under long-term ultraviolet radiation, even after 30 years of use. In addition, the special endurance board for planting greenhouses also has a selective transmission function for ultraviolet rays. This can provide sufficient light for the greenhouse, provide excellent growth conditions for many high-end flowers, and ensure that the plants grow vigorously and have beautiful colors. Kind of greenhouse PC endurance board function: 1. Anti-ultraviolet function: It can effectively block more than 98 ultraviolet rays and effectively protect the body from ultraviolet rays; 2. Light transmittance: the light transmittance can reach above 80, and will not cause dim light under the carport due to rain; 3. Impact resistance: The impact strength is more than 200 times that of ordinary glass, which can prevent falling objects from falling from a high place; 4. Temperature resistance: In the temperature range of -40°C to +120°C, the PC sheets
will not cause deformation and other quality deterioration. 5. Flame retardancy: no fire drops, no toxic gas, in line with the national flame retardant GB8624-97 standard, avoiding direct damage to the car by various fires; Heat insulation: It can block 1/3 of the heat energy and effectively control the rising temperature in the car. 7. Durability: guaranteed not to fade or change color for more than 15 years. The ultraviolet protective layer can block the harmful short-wave ultraviolet rays in the sun, and prevent the molecular chain in the plastic from breaking and aging. For outdoor use under natural conditions, high-concentration UV paint loses 5um per year. PC boards without a UV protective layer can easily turn yellow and become brittle. Adding a small amount of anti-ultraviolet materials to the raw materials cannot achieve the anti-aging effect. The double-layer insulation film of the PC endurance board used in the greenhouse is mainly made of high-voltage PC, containing imported two-component antioxidants and two-component ultraviolet absorbers, and imported anti-fogging agents.
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