Causes Analysis of Poor Adhesion in Powder Coatings
This article summarizes and analyzes the causes of poor adhesion in powder coating from five aspects:human,machine,material,method,and environment.Through analysis,it was found that human sweat,aging of coating equipment,workpiece materials,pre-treated degreasing materials,ceramic materials,powders and coating environment can all cause poor adhesion of powder coatings.By analyzing the causes of poor adhesion,corresponding on-site control methods and suggestions are proposed for prevention and reference.
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