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15
2025
09
Analysis of Common Causes of Defects in Paint Booths
Common Causes of Defects in Paint Booths I. Impurities: 1. Generated due to insufficient wiping pressure. 2. Resulting from inadequate pre-treatment processes. 3. Caused by significant air pollution. 4. Occurring due to the internal environmental conditions of the paint booth. II. Bubbling: 1. Formed when excessive paint is applied during spraying. 2. Caused by using paint that is too diluted during solvent mixing. 3. Resulting from air bubbles remaining in water-based coatings after stirring. 4. Produced when the DISK setting is too low and static electricity is excessively high during spraying. III. Orange Peel Defects: 1. Occur when the fixture swings too quickly, preventing the spray gun from reaching all areas evenly. 2. Arise from prolonged production periods, leaving residual paint buildup inside the gun’s internal tubing. 3. Caused by infrequent cleaning of the spray nozzle. 4. Resulting from blocked small holes within the nozzle, leading to poor airflow. IV. Color Variation: 1. Happen when inherent color differences exist within the paint itself. 2. Caused by applying oversize or overly dense spray dots. 3. Occur when solvents fail to fully dissolve the paint properly. V. Surface Drying Issues: 1. Result from the rapid evaporation rate of the solvent. 2. Triggered when paint and solvent are not thoroughly mixed before application. 3. Caused by storing the coating for an extended period. VI. Oil Stains: 1. Formed when pre-treatment processes fail to remove contaminants completely. 2. Generated as airborne oil particles adhere to the product during air circulation. 3. Result from oily residues already present within the paint itself. VII. Run Marks: 1. Occur when excessive paint is applied during spraying. 2. Caused by drastic fluctuations in climate or temperature conditions. Guangzhou Qiangxin Spray Booth Machinery & Electrical Co., Ltd. Company Website: www.gzqxjd.com | www.gzqxjd188.com Contact Number: 13728095578 (Ms. Qiu) Company Address: Building B, Xiangxi Avenue Zhongzhou Creative Park, Xiamao, Baiyun District, Guangzhou
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