After the film is broken, it is necessary to repair it in time. Generally, the method of temporary repair is the first method of water repair. The damaged part is scrubbed clean, and a piece of thin film with no hole is slightly larger than the damaged part. The water is put on the hole. Drain the air between the two membranes and press the level.
Followed by the paper-making method, the agricultural film was slightly damaged. After the paper was wetted, it was affixed to the damaged place. Generally, it can be used for about 10 days.
Once again, the method of paste supplementation uses white flour to add water to make the paste, and then adds brown sugar equivalent to 1/3 of the dry flour weight, which can be used to make up the film after heating slightly.
After the shed is removed, the thick film of the film repaired is damaged, and it can be covered with a film with the same texture and connected with a thin line. Can also be washed at the damage, with a slightly larger film to cover the hole, and then covered with 2-3 layers of newspapers, with an iron gently ironing along the interface, the two films heat dissolved, after cooling will stick together.
In addition, there is a plastic repair method. Clean the hole around the hole and apply it with a special glue (or other adhesive) with a brush. After 3-5 minutes, apply a piece of film with the same texture to the top. After the glue is dry, paste it. prison.
In general, the heat-replenishing method and the plastic patching method have good effects on the film, and the other two methods are easy to leak air, and are easy to pull apart. They are only suitable for temporary emergency repairs. Generally, it is better not to use thicker films without texture.
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