Coating method in PE tarpaulin processing

In the process of making PE tarpaulin, in order to improve the performance of the tarpaulin, some additives need to be used, and the coating method is a processing method of additives. This process first requires cleaning, mainly to obtain a uniform and dense antistatic coating. Before applying the antistatic agent, the surface of the material must be cleaned to thoroughly remove dust and grease from the surface. After cleaning, it needs to be dried in a clean room. Then mix the antistatic agent with 0.2-2% solution with ethanol, ester or water. The concentration of the solution should be as dilute as possible under the premise of ensuring the antistatic effect, because the solution with high concentration will become viscous. Easy to absorb dust. For coating, the coating method is selected according to the shape of the product, and the commonly used coating methods are direct method, dipping method and spraying method. The direct method is to apply the antistatic agent solution on the product with cotton cloth, flannel, brush, roller. After drying and coating, the product should dry sufficiently to harden the coating. Under the conditions of temperature 30-40 ℃ and humidity 60-80%, it takes about 3 hours to dry. Pay attention to the natural environment for 5 hours after drying.

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