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Selection and maintenance of agricultural plastic film

Selection and maintenance of agricultural plastic film

  • Categories:Trade news
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  • Time of issue:2022-02-24
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(Summary description)In order to prolong the service life of agricultural plastic film and achieve greater economic benefits, it is necessary to make reasonable choices, correct use, and good care and maintenance according to the actual situation of the region. The following is a brief introduction to the knowledge of selecting, using and maintaining agricultural plastic films.

The choice of agricultural plastic film

There are different varieties and specifications of plastic films according to the original family, molding method, application, width and thickness. When purchasing plastic film, a reasonable choice should be made according to the climatic conditions and usage of the region. For example, thick plastic film is suitable for use in the area north of the Yellow River; thin plastic film is suitable for use in the area south of the Yangtze River; 0.1 mm thick plastic film is suitable for the outer covering of plastic film greenhouses; 0.065 mm or 0.075 mm thick The plastic film is suitable for raising rice seedlings; the plastic film for covering is preferably wide; the plastic film for packaging is preferably a blown film with a thickness of 0.1 mm or more.

When choosing plastic films, you should also pay attention to the safety performance of plastic films. Generally, agricultural plastic films do not produce harmful gases, and there is no adverse impact on the contact with humans, animals, and crops. It can be said to be safe. However, if the plastic film manufacturer inadvertently uses some volatile auxiliary materials during production, such as adding diisobutyl phthalate to polyvinyl chloride plastic, during the use process, it will gradually change from plastic to plastic. Harmful gases are volatilized from the film, causing crops to be "poisoned", plants grow slowly, and leaves appear yellow and white spots and wither. At this time, it is necessary to quickly ventilate the greenhouse, water the crops with water, and replace the "toxic" plastic film in time to avoid the spread of vegetarianism. The solution to this problem is that, first of all, the manufacturer must strictly control and carefully select auxiliary materials to prevent "toxic" plastic film from leaving the factory; the total number of users should be checked frequently, and the growth and changes of crops in the plastic film greenhouse should be paid attention to. Take immediate action when something goes wrong. In addition, agricultural plastic films are directly used in agricultural production and should not be used to package food, beverages, medicines, etc.

Protection of agricultural plastic film

During the use of plastic film, under the action of light, heat, machinery, chemicals, microorganisms, etc., it often becomes soft and hard, the light transmission performance decreases, and the color gradually changes to brownish yellow. When it is rubbed into pieces, this phenomenon is called "aging" of the plastic film. The longer the plastic film is resistant to aging, the longer its service life. The aging resistance of plastic films is of course determined by the film formulation and processing technology of the manufacturer. However, practice has proved that the same plastic film, in a similar climate environment, due to different use and maintenance methods, aging resistance. The time is also different. It can be seen that correct use and proper maintenance are two important links to prolong the service life of plastic films.

The agricultural plastic film is mainly used for crop breeding, and the manufacturer mainly considers its formula, processing technology and quality standards based on the conditions of use of this plastic film. If this plastic film is used as a "universal film", it can be used as a straw mat when drying crops, used as a raincoat and tarpaulin in rainy days, and used as a sail when sailing, and it will be damaged in a short time. Therefore, each plastic film must have a certain range of use, and pay attention to its correct use. For example, when building a greenhouse with plastic film, the scaffolding should be as smooth as possible, the spikes and protruding parts on the skeleton should be cut off, and the scaffolding material should be moderately soft and hard. When tying the scaffolding, do not use iron wire, but use materials such as straw rope, yarn rope or plastic rope to avoid puncturing the plastic film. The entire scaffolding should not be uneven, and the distance between each bracket should not be too long (generally one to two meters is appropriate) to prevent the plastic film from being scratched by strong winds. When covering the greenhouse, the plastic film should be leveled (but not too tight to avoid tearing) to prevent water accumulation. During the entire use period of the plastic film greenhouse, there should be a special person to manage it. If the shackle is broken, the water accumulates after the rain, the rope is loose, and the film is perforated, it should be maintained and repaired in time.

Selection and maintenance of agricultural plastic film

(Summary description)In order to prolong the service life of agricultural plastic film and achieve greater economic benefits, it is necessary to make reasonable choices, correct use, and good care and maintenance according to the actual situation of the region. The following is a brief introduction to the knowledge of selecting, using and maintaining agricultural plastic films.

The choice of agricultural plastic film

There are different varieties and specifications of plastic films according to the original family, molding method, application, width and thickness. When purchasing plastic film, a reasonable choice should be made according to the climatic conditions and usage of the region. For example, thick plastic film is suitable for use in the area north of the Yellow River; thin plastic film is suitable for use in the area south of the Yangtze River; 0.1 mm thick plastic film is suitable for the outer covering of plastic film greenhouses; 0.065 mm or 0.075 mm thick The plastic film is suitable for raising rice seedlings; the plastic film for covering is preferably wide; the plastic film for packaging is preferably a blown film with a thickness of 0.1 mm or more.

When choosing plastic films, you should also pay attention to the safety performance of plastic films. Generally, agricultural plastic films do not produce harmful gases, and there is no adverse impact on the contact with humans, animals, and crops. It can be said to be safe. However, if the plastic film manufacturer inadvertently uses some volatile auxiliary materials during production, such as adding diisobutyl phthalate to polyvinyl chloride plastic, during the use process, it will gradually change from plastic to plastic. Harmful gases are volatilized from the film, causing crops to be "poisoned", plants grow slowly, and leaves appear yellow and white spots and wither. At this time, it is necessary to quickly ventilate the greenhouse, water the crops with water, and replace the "toxic" plastic film in time to avoid the spread of vegetarianism. The solution to this problem is that, first of all, the manufacturer must strictly control and carefully select auxiliary materials to prevent "toxic" plastic film from leaving the factory; the total number of users should be checked frequently, and the growth and changes of crops in the plastic film greenhouse should be paid attention to. Take immediate action when something goes wrong. In addition, agricultural plastic films are directly used in agricultural production and should not be used to package food, beverages, medicines, etc.

Protection of agricultural plastic film

During the use of plastic film, under the action of light, heat, machinery, chemicals, microorganisms, etc., it often becomes soft and hard, the light transmission performance decreases, and the color gradually changes to brownish yellow. When it is rubbed into pieces, this phenomenon is called "aging" of the plastic film. The longer the plastic film is resistant to aging, the longer its service life. The aging resistance of plastic films is of course determined by the film formulation and processing technology of the manufacturer. However, practice has proved that the same plastic film, in a similar climate environment, due to different use and maintenance methods, aging resistance. The time is also different. It can be seen that correct use and proper maintenance are two important links to prolong the service life of plastic films.

The agricultural plastic film is mainly used for crop breeding, and the manufacturer mainly considers its formula, processing technology and quality standards based on the conditions of use of this plastic film. If this plastic film is used as a "universal film", it can be used as a straw mat when drying crops, used as a raincoat and tarpaulin in rainy days, and used as a sail when sailing, and it will be damaged in a short time. Therefore, each plastic film must have a certain range of use, and pay attention to its correct use. For example, when building a greenhouse with plastic film, the scaffolding should be as smooth as possible, the spikes and protruding parts on the skeleton should be cut off, and the scaffolding material should be moderately soft and hard. When tying the scaffolding, do not use iron wire, but use materials such as straw rope, yarn rope or plastic rope to avoid puncturing the plastic film. The entire scaffolding should not be uneven, and the distance between each bracket should not be too long (generally one to two meters is appropriate) to prevent the plastic film from being scratched by strong winds. When covering the greenhouse, the plastic film should be leveled (but not too tight to avoid tearing) to prevent water accumulation. During the entire use period of the plastic film greenhouse, there should be a special person to manage it. If the shackle is broken, the water accumulates after the rain, the rope is loose, and the film is perforated, it should be maintained and repaired in time.

  • Categories:Trade news
  • Author:
  • Origin:
  • Time of issue:2022-02-24
  • Views:0
Information

In order to prolong the service life of agricultural plastic film and achieve greater economic benefits, it is necessary to make reasonable choices, correct use, and good care and maintenance according to the actual situation of the region. The following is a brief introduction to the knowledge of selecting, using and maintaining agricultural plastic films.

The choice of agricultural plastic film

There are different varieties and specifications of plastic films according to the original family, molding method, application, width and thickness. When purchasing plastic film, a reasonable choice should be made according to the climatic conditions and usage of the region. For example, thick plastic film is suitable for use in the area north of the Yellow River; thin plastic film is suitable for use in the area south of the Yangtze River; 0.1 mm thick plastic film is suitable for the outer covering of plastic film greenhouses; 0.065 mm or 0.075 mm thick The plastic film is suitable for raising rice seedlings; the plastic film for covering is preferably wide; the plastic film for packaging is preferably a blown film with a thickness of 0.1 mm or more.

When choosing plastic films, you should also pay attention to the safety performance of plastic films. Generally, agricultural plastic films do not produce harmful gases, and there is no adverse impact on the contact with humans, animals, and crops. It can be said to be safe. However, if the plastic film manufacturer inadvertently uses some volatile auxiliary materials during production, such as adding diisobutyl phthalate to polyvinyl chloride plastic, during the use process, it will gradually change from plastic to plastic. Harmful gases are volatilized from the film, causing crops to be "poisoned", plants grow slowly, and leaves appear yellow and white spots and wither. At this time, it is necessary to quickly ventilate the greenhouse, water the crops with water, and replace the "toxic" plastic film in time to avoid the spread of vegetarianism. The solution to this problem is that, first of all, the manufacturer must strictly control and carefully select auxiliary materials to prevent "toxic" plastic film from leaving the factory; the total number of users should be checked frequently, and the growth and changes of crops in the plastic film greenhouse should be paid attention to. Take immediate action when something goes wrong. In addition, agricultural plastic films are directly used in agricultural production and should not be used to package food, beverages, medicines, etc.

Protection of agricultural plastic film

During the use of plastic film, under the action of light, heat, machinery, chemicals, microorganisms, etc., it often becomes soft and hard, the light transmission performance decreases, and the color gradually changes to brownish yellow. When it is rubbed into pieces, this phenomenon is called "aging" of the plastic film. The longer the plastic film is resistant to aging, the longer its service life. The aging resistance of plastic films is of course determined by the film formulation and processing technology of the manufacturer. However, practice has proved that the same plastic film, in a similar climate environment, due to different use and maintenance methods, aging resistance. The time is also different. It can be seen that correct use and proper maintenance are two important links to prolong the service life of plastic films.

The agricultural plastic film is mainly used for crop breeding, and the manufacturer mainly considers its formula, processing technology and quality standards based on the conditions of use of this plastic film. If this plastic film is used as a "universal film", it can be used as a straw mat when drying crops, used as a raincoat and tarpaulin in rainy days, and used as a sail when sailing, and it will be damaged in a short time. Therefore, each plastic film must have a certain range of use, and pay attention to its correct use. For example, when building a greenhouse with plastic film, the scaffolding should be as smooth as possible, the spikes and protruding parts on the skeleton should be cut off, and the scaffolding material should be moderately soft and hard. When tying the scaffolding, do not use iron wire, but use materials such as straw rope, yarn rope or plastic rope to avoid puncturing the plastic film. The entire scaffolding should not be uneven, and the distance between each bracket should not be too long (generally one to two meters is appropriate) to prevent the plastic film from being scratched by strong winds. When covering the greenhouse, the plastic film should be leveled (but not too tight to avoid tearing) to prevent water accumulation. During the entire use period of the plastic film greenhouse, there should be a special person to manage it. If the shackle is broken, the water accumulates after the rain, the rope is loose, and the film is perforated, it should be maintained and repaired in time. Some emulsion and oil formulations of pesticides can swell and prematurely age PVC films. Therefore, if you spray pesticides on crops in a plastic film greenhouse, you should avoid spraying pesticides on the film. After the film is used, it should not be stored in the same warehouse with the pesticide. When using agricultural plastic film, it is inevitable to get soiled, and the soil should be washed before storage. When washing, you can immerse the plastic film in clean water, and carefully brush it with a brush, but do not rub it hard like washing clothes, and do not wring the water in the plastic film with your hands. If the plastic film is stained with oil, you can wash it with a little washing powder in warm water. If you need to wash a large number of plastic films, you can also make a simple film washing machine. This kind of machine is made of wood or angle iron. A rotatable shaft is installed in the middle. The shaft is equipped with a brown wire or nylon wire. The motor or handwheel is used to drive the shaft to make the brown wire or nylon wire brush continuously. turn. When washing, the plastic film is continuously passed through the rotating brush, and at the same time rinsed with water, the plastic film can be quickly washed and dried. After washing the plastic film, hang it to dry in a cool place, do not expose it to the hot sun. Do not use iron wire to hook the plastic film to dry. After drying, it is best to sprinkle a layer of talcum powder on the plastic film and then fold it well, which can prevent sticking during storage.

The agricultural plastic film should be stored in a cool and ventilated warehouse, and should not be stored in the open air or close to a heat source. The plastic film stored in rolls should be prevented from being piled up by heavy objects, and must be prevented from being bitten by mice and insects. Where conditions permit, it is best to store them centrally, keep them by hand, and indicate the date of use. In this way, when it is damaged, it can be repaired in time, and the insufficient quantity can be replenished in time, which is not only convenient to use, but also beneficial to prolong the life of the plastic film.

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