Recently, some manufacturers have come across reports online about black impurities leaking when using a film blowing machine. Although such issues are not commonly reported by customers in recent years, it's still important to address the problem if it occurs.
After careful investigation, we found that the solution to the black impurity leakage is actually quite straightforward. First, the main cause of this issue is improper temperature control, leading to continuous overheating and carbonization of the raw materials. To prevent this, it's recommended to heat the machine gradually, avoiding prolonged high-temperature exposure. Additionally, using cleaning agents or flow improvers can help clear out any buildup in the lower flow channel.
Another key point is to avoid cleaning the material in the tube before shutting down the machine. This helps prevent residue from accumulating and causing future issues. Proper maintenance and careful operation can significantly reduce the risk of black impurities appearing during the film blowing process. Regular checks and timely cleaning are essential for maintaining product quality and machine efficiency.
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