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Greenhouse film refers to a special plastic film used for facility agricultural production and construction. Its light transmittance, thermal insulation, tensile strength and aging resistance are superior to ordinary agricultural film. It is of great significance to the growth, production and income of greenhouse crops.
Polyethylene (PE) shed film is light in texture (specific gravity is about 0.96 g/cm3), soft, easy to shape, good in light transmission, non-toxic, suitable for all kinds of shed film and mulch film, and is the main variety of agricultural film in my country. The disadvantage is that it has poor weather resistance and thermal insulation, and is not easy to bond. If the greenhouse film is produced, additives such as anti-aging agent, non-dropping agent, heat insulating agent, etc. must be added to meet the production requirements. The main products are:
①Ordinary PE shed film (also known as pe blown agricultural film) is a white film that is directly blown from raw materials without adding additives such as anti-aging. It is widely used in greenhouses and small and medium-sized sheds. Generally, the shed is closed in spring and autumn. Only 4-6 months, only one season of crops can be planted, which wastes energy, increases labor, and is gradually eliminated in production.
②PE anti-aging film (also known as longevity film, anti-aging film) is made by adding anti-aging auxiliaries to PE resin and blowing to form a film. The thickness of this shed film is 0.08-0.12 mm, the service period can reach 12 to 18 months, and it can be used for 2-3 seasons of crop cultivation, which not only prolongs the service period, reduces the cost, saves energy, but also greatly increases the output and output value. Agricultural film varieties that are mainly promoted in facility cultivation.
③PE non-drip anti-aging film (also known as double anti-film, long-life dripping film) also has dripping, weather resistance, light transmittance and good thermal insulation, the anti-fog effect can be maintained for 2-4 months, and the aging resistance life It can last for 12-18 months. It is a variety of agricultural film with complete performance and wide use. It can not only be used in greenhouses and large and medium-sized greenhouses, but also suitable for energy-saving solar greenhouse cultivation in early spring.
Related products
mulching film, ground cover, drip irrigation system, anti insect net, plant support net, ect.
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